CN111198449B - Electronic device and control method thereof - Google Patents
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- CN111198449B CN111198449B CN202010175226.0A CN202010175226A CN111198449B CN 111198449 B CN111198449 B CN 111198449B CN 202010175226 A CN202010175226 A CN 202010175226A CN 111198449 B CN111198449 B CN 111198449B
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/10—Electronic devices other than hearing aids
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
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Abstract
The application discloses electronic equipment and control method thereof, electronic equipment includes detection light emission subassembly and detection light response subassembly and controller, can launch through detection light emission subassembly and detect the light, can form images based on detecting the light through detecting light response subassembly, the controller can control detect the light emission subassembly and emit the different detection light of multibeam polarization direction to user's eye in proper order, and obtain detect the first eye image that light response subassembly corresponds every bundle of detection light formation, based on a plurality of the color information of preset position in the first eye image, can confirm the optical property that the user wore glasses at present, it is visible, this application technical scheme can be when the user wore glasses, confirms the optical property of wearing glasses.
Description
Technical Field
The present disclosure relates to the field of electronic devices, and more particularly, to an electronic device and a control method thereof.
Background
With the continuous development of scientific technology, more and more electronic devices with display functions, such as mobile phones, computers, intelligent wearable devices and the like, are widely applied to daily life and work of people, bring great convenience to the daily life and work of people, and become an indispensable important tool for people at present.
The existing electronic equipment can only judge whether a user wears glasses through a simple image recognition function, but cannot determine the optical property of the user wearing the glasses.
Disclosure of Invention
In view of this, the present application provides an electronic device and a control method thereof, and the scheme is as follows:
an electronic device, the electronic device comprising:
the detection light emitting component is used for emitting detection light, and the detection light is linearly polarized light;
a detection light sensing component for imaging based on the detection light;
the controller is used for controlling the detection light emitting assembly to sequentially emit a plurality of beams of detection light with different polarization directions to eyes of a user, acquiring a first eye image formed by each beam of detection light corresponding to the detection light sensing assembly, and confirming the optical property of the current glasses worn by the user based on color information of a preset position in the plurality of first eye images.
Preferably, in the electronic device, the confirming the optical property that the user currently wears the glasses based on the color information in the plurality of first eye images includes: if the color information in the first eye images meets different conditions, the glasses are linearly polarized lenses; if the color information in the plurality of first eye images meets the same condition and is greater than a threshold value, the glasses are chemical absorption lenses or full-transparent lenses; if the color information of the detection light in the plurality of first eye images satisfies the same condition and does not exceed the threshold, the glasses are circularly polarized lenses.
Preferably, in the above electronic device, the electronic device further includes a camera assembly for performing visible light imaging;
the controller is further configured to determine whether a supplementary lighting starting condition is met or not if an image acquisition instruction is acquired, and if so, control the electronic device to provide compensating light to improve the intensity of the eye reflected light of the user after the eye reflected light passes through the glasses in the process that the camera assembly executes the image acquisition instruction to acquire visible light to form a second image, where the second image includes a second eye image of the user.
Preferably, in the electronic device, the electronic device further includes a flash lamp for emitting the compensation light, and the compensation light is visible light;
or, the electronic device further includes a display screen, and the controller is configured to control the display screen to display a white picture to provide the compensation light, where the compensation light is visible light;
or, in the process of acquiring the second image, the detection light emitting component emits detection light in a preset polarization direction as the compensation light, the compensation light is infrared light, the detection light sensing component is configured to form a third eye image of the user based on the detection light, and the controller is further configured to fuse and superimpose the third eye image and the second image.
Preferably, in the electronic device, the electronic device further includes a display screen, and the display screen displays an image including linearly polarized light corresponding to the light ray;
the controller is further configured to, when it is determined that the glasses are linearly polarized lenses, control the electronic device to display prompt information to the user if the polarization directions of the linearly polarized lenses and the linearly polarized light corresponding to the images displayed on the display screen do not satisfy a parallel condition, so that the user rotates the display screen based on the prompt information, and the polarization directions of the linearly polarized lenses and the linearly polarized light corresponding to the images displayed on the display screen satisfy the parallel condition;
or the display screen is provided with a polarization adjusting device, the polarization adjusting device at least comprises two polarization adjusting states, and the change amount of the polarization direction is different after linearly polarized light in the same polarization direction passes through the polarization adjusting device in different polarization adjusting states; the controller is further configured to control the polarization adjusting device to be in a set polarization state if the linearly polarized light corresponding to the display image of the display screen and the polarization direction of the linearly polarized lens do not satisfy the parallel condition under the condition that the glasses are the linearly polarized lens, so that the emergent light of the display screen and the polarization direction of the linearly polarized lens satisfy the parallel condition after passing through the polarization adjusting device.
Preferably, in the electronic device, the controller is further configured to control the electronic device to be in a first state when it is determined that a preset condition is met, so that the display image of the electronic device is adapted to the light attribute of the glasses and/or the collected image of the electronic device is adapted to the light attribute of the glasses; the preset condition includes that the user wears glasses, and the glasses block the sight of the user.
The application also provides a control method of an electronic device, the electronic device comprises a detection light emitting component and a detection light sensing component, and the control method comprises the following steps:
controlling the detection light emitting assembly to sequentially emit a plurality of beams of the detection light with different polarization directions to the eyes of the user;
the method comprises the steps of obtaining a first eye image formed by the detection light sensing assembly corresponding to each beam of detection light, and confirming the optical property of glasses worn by a user based on a plurality of first eye images.
Preferably, in the above control method, the method of confirming the optical properties of the glasses includes:
confirming optical properties of the glasses based on color information in the first eye image;
if the color information in the first eye images meets different conditions, the glasses are linearly polarized lenses; if the color information in the plurality of first eye images meets the same condition and is greater than a threshold value, the glasses are chemical absorption lenses or full-transparent lenses; if the color information in the plurality of first eye images satisfies the same condition and does not exceed the threshold, the glasses are circularly polarized lenses.
Preferably, in the above control method, the electronic apparatus further includes a camera assembly, and the control method further includes:
and in the image acquisition process, supplementing light according to the optical property of the glasses worn by the user.
Preferably, in the above control method, the electronic device further includes a display screen, the display screen displaying an image including linearly polarized light corresponding to the light line;
the method further comprises the following steps:
when the glasses are confirmed to be linearly polarized lenses, whether the linearly polarized light corresponding to the display image of the display screen and the polarization direction of the linearly polarized lenses meet a parallel condition is determined;
if the parallel condition is not met, controlling the electronic equipment to display prompt information to the user, so that the user rotates the display screen based on the prompt information, and the linear polarization corresponding to the display image of the display screen and the polarization direction of the linearly polarized lens meet the parallel condition;
or the display screen comprises a polarization adjusting device, the polarization adjusting device at least comprises two polarization adjusting states, and the change amount of the polarization direction is different after linearly polarized light in the same polarization direction passes through the polarization adjusting device in different polarization adjusting states;
the control method further comprises the following steps: and controlling the polarization adjusting device to be in a set polarization state, so that the emergent light of the display screen and the polarization direction of the linearly polarized lens meet the parallel condition after passing through the polarization adjusting device.
As can be seen from the above description, according to the technical solution of the present application, in the electronic device and the control method thereof, the electronic device includes the detection light emitting component, the detection light sensing component and the controller, the detection light can be emitted by the detection light emitting component, the detection light sensing component can perform imaging based on the detection light, the controller can control the detection light emitting component to sequentially emit a plurality of beams of detection light with different polarization directions to the eyes of the user, and obtain a first eye image formed by the detection light sensing component corresponding to each beam of detection light, and based on a plurality of color information of preset positions in the first eye image, the optical property of glasses currently worn by the user can be confirmed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the related technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
The structures, proportions, and dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present disclosure, which is defined by the claims, but rather by the claims, it is understood that these drawings and their equivalents are merely illustrative and not intended to limit the scope of the present disclosure.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another electronic device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another electronic device provided in the embodiment of the present application;
fig. 4 is a schematic structural diagram of another electronic device provided in the embodiment of the present application;
fig. 5 is a schematic structural diagram of another electronic device provided in the embodiment of the present application;
fig. 6 is a schematic structural diagram of another electronic device provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of another electronic device provided in the embodiment of the present application;
fig. 8 is a schematic flowchart of a control method of an electronic device according to an embodiment of the present disclosure;
fig. 9 is a flowchart illustrating another electronic device control method according to an embodiment of the present application.
Detailed Description
The embodiments of the present application will be described in detail and fully with reference to the accompanying drawings, wherein the description is only for the purpose of illustrating the embodiments of the present application and is not intended to limit the scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application, where the electronic device includes: a detection light emitting component 11, wherein the detection light emitting component 11 is used for emitting detection light, and the detection light is linearly polarized light; a detection light sensing component 12, the detection light sensing component 12 for imaging based on the detection light; a controller 13, wherein the controller 13 is configured to control the detection light emitting component 11 to sequentially emit a plurality of beams of detection light with different polarization directions to the eyes of the user, and to acquire a first eye image formed by the detection light sensing component 12 corresponding to each beam of detection light, and to confirm the optical property of the glasses currently worn by the user based on color information of a preset position in the plurality of first eye images. The detection light emitting component 11 and the detection light sensing component 12 are respectively in communication connection with the controller 13.
In the process of determining the optical property of the glasses, the detection light reflecting component 11 may emit N beams of detection light with different polarization directions, where N is a positive integer greater than 1, and the detection light sensing component may correspondingly form N first eye images. The N detection lights are sent in a time-sharing mode, namely only one detection light is emitted at the same time.
The controller 13 may be configured to execute the detection starting instruction after acquiring the detection starting instruction, and perform the above operations by controlling the detection light emitting component 11 and the detection light sensing component 12.
In one mode, the detection start instruction is generated when the electronic device collects a set input operation, where the input operation includes triggering a preset application program, a preset operation key (including a mechanical key and/or a touch key), preset fingerprint information, or preset body motion of the electronic device. In this way, the user currently wears glasses, and the user triggers the electronic device to detect the optical property function of the worn glasses.
In another mode, the controller 13 can determine whether the user wears glasses through a face recognition system based on a face image of the user, and generate the detection start instruction after determining that the user wears glasses. The mode is used for automatically detecting whether the user wears the glasses or not by the electronic equipment, and when the user wears the glasses, the optical attribute function of the worn glasses is automatically triggered and detected.
The detection light emitted by the detection light detection component 11 enters the eyes through the glasses, is reflected by the eyes and then exits through the glasses, and is detected by the detection light detection component 12 to form a first eye image. Based on the difference in the polarization direction of the detection light emitted from the detection light detecting member 11 and the color information in the first eye image, the optical properties of the currently worn eyeglasses can be confirmed. The color information in the first eye image is used to characterize intensity information of the detected light in the first eye image.
The controller is configured to confirm an optical property of the eyewear based on color information in the first eye image. The color information in the first eye image may represent intensity information of the detected light corresponding to the eye image of the user, based on which the optical properties of the glasses may be confirmed. Confirming the optical property of the current glasses worn by the user based on the color information in the plurality of first eye images, wherein the confirming comprises the following steps: if the color information in the first eye images meets different conditions, the glasses are linearly polarized lenses; if the color information in the plurality of first eye images meets the same condition and is greater than a threshold value, the glasses are chemical absorption lenses or full-transparent lenses; if the color information in the plurality of first eye images satisfies the same condition and does not exceed the threshold, the glasses are circularly polarized lenses.
The intensity information of the detection light reflected by the eyes of the user can be reflected as the color information of the first eye image (such as the brightness or black-and-white degree of the image, the color saturation and the like, wherein the brighter the intensity of the detection light, the brighter the image appears, the whiter the image appears or the color saturation is higher), so that the optical property of the glasses can be confirmed according to the contrast of the color information. I.e. the relative magnitude of the intensity information can be obtained directly from the comparison of the color information to confirm the optical properties. The following description will be made using the intensity information as it is for convenience of understanding.
Optionally, this application embodiment detect light emission subassembly 11 and be infrared light emission subassembly for emergent ray polarization infrared light, detect light sensing subassembly 12 and be infrared light sensing subassembly, regard as the infrared light detect light emission subassembly 11 transmission infrared light with detect light sensing subassembly 12 and survey the infrared light in-process, the user can not the perception detect light, does not influence the current perception visible light effect of user.
The detection light emitting element 11 includes: a light source device for emitting an unpolarized light source; and a rotatable polarizer capable of being placed at different positions each of which is a bundle of detection light of a set polarization direction based on an adjustment instruction of the controller 13. The light source device includes an infrared light emitting diode (IR LED) that emits infrared light or the detection light emitting assembly 11 includes a plurality of light source units each for individually emitting a beam of detection light with a set polarization direction. The light source unit includes an infrared light emitting diode (IR LED) emitting infrared light. The detection light sensing component 12 comprises an infrared complementary metal oxide semiconductor (IR CMOS)
And if the intensity information of the detection light in the plurality of first eye images meets different conditions, the glasses are linearly polarized lenses. In the embodiment of the present application, the intensity information satisfies the same condition, which means that each intensity information is the same, or each intensity information is approximately the same within an error tolerance range, that is, a difference between any two intensity information is smaller than a first set value. The intensity information does not satisfy the same condition, and the difference value of any two intensity information is larger than a first set value. The first setting value may be defined based on an error and a please see precision, which is not specifically limited in this application. In the present application, the included angle between two directions represents the acute angle of two straight lines in which the two directions are located, and the included angle is smaller than 90 °.
The linearly polarized lens allows linearly polarized light with a specific polarization direction to pass through, the linearly polarized light with the same polarization direction has the largest passing rate which can be theoretically equal to hundred percent of passing, and the linearly polarized light perpendicular to the polarization direction has the smallest passing rate which can be theoretically equal to 0. Based on the characteristic of the linearly polarized lens, if the glasses currently worn by the user are linearly polarized lenses, the N beams of detection light with different polarization directions have different included angles with the polarization directions of the glasses, so that the intensity information of the detection light in the corresponding N first eye images is different, and based on this, the currently worn glasses can be confirmed to be the linearly polarized lenses. In the N first eye images, the angle between the polarization direction of the corresponding detection light and the polarization direction of the glasses is the smallest, and the corresponding intensity information is the largest, whereas the angle is the largest, and the corresponding intensity information is the smallest. The included angle between the polarization direction of the detection light and the polarization direction of the glasses ranges from 0 degree to 90 degrees.
If the intensity information of the detection light in the plurality of first eye images satisfies the same condition and is greater than a threshold value (i.e., a second threshold value described below), the eyeglasses are chemical absorption lenses or full-transmission lenses.
The chemical absorption lens can absorb all light waves in the same proportion through the lens main body material and/or the surface film layer, that is, the light waves in any polarization direction are absorbed in equal proportion for a preset proportion. Based on the characteristic of the chemical absorption lens, if the glasses currently worn by the user are chemical absorption lenses, the N beams of detection light with different polarization directions satisfy the same condition, the intensity information of the detection light in the corresponding N first eye images is the same theoretically, and considering the influences of device precision, errors and the like, the two intensity information may have a difference value not equal to 0, the difference value is small, and the intensity information is approximately the same.
The total-transmission lens, such as near glasses or presbyopic glasses or total-transmission flat glasses, can be equivalent to total transmission in each polarization direction. Similarly, N beams of detection light with different polarization directions satisfy the same condition for intensity information of detection light in corresponding N first eye images, and theoretically, each intensity information is the same, and considering the influence of device accuracy, error and the like, a difference value different from 0 may exist between two pieces of intensity information, the difference value is small, and each piece of intensity information is approximately the same.
The chemical absorption lens is different from the full-transparent lens in that the intensity information corresponding to each first eye image formed by the chemical absorption lens is smaller than the first threshold value because the detection light corresponding to the first eye image needs to be absorbed twice by the spectacles, whereas the full-transparent lens is approximately full-transparent to the full-wavelength light, and the intensity information corresponding to each first eye image is larger than the first threshold value although the first eye image formed by the full-transparent lens is also absorbed twice by the spectacles. The controller 13 is further configured to determine whether the eyewear is a full-lens or a chemical absorption lens based on the intensity information and the first threshold. If the intensity information is greater than the first threshold value, the lens is a full-transparent lens, and if the intensity information is less than the first threshold value and greater than the second threshold value, the lens is chemical absorption information. The second threshold is less than the first threshold.
If the intensity information of the detection light in the plurality of first eye images satisfies the same condition and does not exceed a third threshold, the glasses are circularly polarized lenses. The third threshold is less than the second threshold.
The circularly polarized lens includes a polarizer and a quarter-wave plate. The quarter wave plate faces the user when worn by the user. The polarizing plate selects first linearly polarized light with the same or similar polarization direction to pass through, the first linearly polarized light is converted into first circularly polarized light through the quarter-wave plate, the first circularly polarized light is reflected to form second circularly polarized light, one of the first circularly polarized light and the second circularly polarized light is left-handed circularly polarized light, the other one of the first circularly polarized light and the second circularly polarized light is right-handed circularly polarized light, the second circularly polarized light is converted into second linearly polarized light through one of the four wave plates, and the second linearly polarized light is perpendicular to the first linearly polarized light, so that the second linearly polarized light cannot. Based on the characteristics of the circularly polarized lens, if the glasses currently worn by the user are circularly polarized lenses, the N beams of detection light with different polarization directions can be emitted through the circularly polarized lenses again even if the eyes can be irradiated through the circularly polarized lenses, theoretically, none of the detection light that can be reflected can be emitted through the circularly polarized lenses again, the intensity information in the first eye image corresponding to all the detection light is theoretically 0 (equivalent to the image corresponding to the lens position being completely black), and considering the device precision and the measurement error, each intensity information should be approximately the same and not exceed the third threshold. The second threshold may be the same value as the third threshold.
Natural light is a light wave vibrating in all planes perpendicular to the propagation direction, including all vibration directions perpendicular to the propagation direction of the light wave. Therefore, a part of natural light can pass through the polarized lens for the polarized lens (including the linear polarized lens and the circular polarized lens), and can be perceived by human eyes, so that the light intensity entering eyes can be reduced to a certain degree no matter what type of polarized lens is worn by a user, and the function of protecting the eyes is achieved.
In some embodiments, to ensure that power consumption is small, the detection light reflecting member 11 emits 2 detection lights, and the polarization direction of the 2 detection lights satisfies the vertical condition. Or, in order to make the determination result of the glasses more accurate, N is an integer multiple of 2, and two detection lights in a group are polarized in the direction of 2 detection lights in the same group satisfying the vertical condition. In the application, the two directions meet the vertical condition, which means that the two directions are vertical or are approximately vertical within an error allowable range, that is, the included angle between the two directions is greater than a third set value, and if the two directions do not meet the vertical condition, the included angle between the two directions is less than the third set value. The third setting value may be defined based on an error and a please see precision, which is not specifically limited in this application.
As shown in fig. 2, fig. 2 is a schematic structural diagram of another electronic device provided in an embodiment of the present application, and the electronic device shown in fig. 2 further includes a camera assembly 14 on the basis of the electronic device shown in fig. 1, where the camera assembly 14 is communicatively connected to the controller 13, and the camera assembly 14 is used for performing visible light imaging. The controller 13 is further configured to determine whether a compensation condition is satisfied if an image capture instruction is obtained, and if so, control the electronic device to provide compensation light to improve the intensity of the eye reflected light of the user after being emitted through the glasses in a process that the camera assembly 14 executes the image capture instruction to capture visible light to form a second image, where the second image includes a second eye image of the user. The electronic device has a display screen, and the light sensing direction of the camera assembly 14 is towards the direction of the display screen displaying images, that is, the camera assembly 14 can be a front camera of the electronic device.
And if the supplementary lighting starting condition is met, the user at least wears glasses. Different from the scheme of providing compensating light to improve the imaging brightness of the traditional electronic equipment under the condition that the ambient light brightness is low, the mode is based on the fact that light supplementing operation is carried out in the scene that a user wears glasses, so that the imaging quality of the eye image in the second image is improved, the eye image quality of the user is improved under the condition that the user wears the glasses, and the face recognition accuracy is improved or the definition of eyes in the user self-photographing face image is improved.
The controller 13 is configured to determine that the light supplement starting condition is satisfied when it is determined that the user wears glasses, and determine that the light supplement starting condition is not satisfied when it is determined that the user does not wear glasses. The mode is only to carry out the light supplementing operation when a user wears glasses, so that the light supplementing operation can be effectively carried out on eyes wearing linearly polarized lenses, chemical absorption lenses or full-transparent lenses, the cleaning degree of the eye images is improved, and if the circularly polarized lenses are worn, although the light supplementing operation is carried out, the mode has no effect on the light supplementing operation on the eyes under the scene due to the characteristics of the circularly polarized lenses, and the definition of the eye images cannot be changed.
In other forms, the controller 13 is configured to determine whether the light supplement starting condition is satisfied based on the optical attribute, determine that the light supplement starting condition is satisfied when it is determined that the user wears glasses and the glasses have a preset optical attribute, and determine that the light supplement starting condition is not satisfied when it is determined that the user does not wear glasses or wears glasses that do not have a preset optical attribute. The preset optical property is that the worn glasses are linear polarization lenses, chemical absorption lenses or full-transparent lenses. According to the mode, the compensation operation is carried out only when the user wears the glasses with the preset optical property, so that the light supplement for the eyes can be effectively realized when the user wears the linearly polarized lens, the chemical absorption lens or the full-transparent lens, and the cleaning degree of the eye image is improved. When the circularly polarized lens is worn, the light supplement starting condition is not met, and the compensation operation is not performed. The principle of the controller 13 determining whether the optical property of the glasses is satisfied is the same as that described above, and will not be described herein.
In a first manner, the supplementary lighting operation may be implemented as shown in fig. 3, where fig. 3 is a schematic structural diagram of another electronic device provided in an embodiment of the present application, and on the basis of the implementation manner shown in fig. 2, the electronic device shown in fig. 3 further includes a flash lamp 15, where the flash lamp 15 is in communication connection with the controller 13, and the flash lamp 15 is used to emit the compensation light, where the compensation light is visible light. The mode can carry out the above-mentioned light filling operation through the visible light that electronic equipment's flash light provided, improves user's eye image imaging quality to in the face of user autodyne or face identification operation etc.. In this mode, the white visible light emitted from the flash lamp 15 is unpolarized light, which is equivalent to natural light having multiple polarization directions, and if the user currently wears glasses which are not circularly polarized lenses, at least part of the compensating light can be irradiated to the eyes through the glasses and reflected by the eyes, and then collected by the camera assembly through the glasses again, so as to improve the intensity of the reflected light of the eyes after being emitted through the glasses, and improve the quality of the image of the eyes.
In a second manner, the supplementary lighting operation may be implemented as shown in fig. 4, where fig. 4 is a schematic structural diagram of another electronic device provided in an embodiment of the present application, and on the basis of the manner shown in fig. 2, the electronic device shown in fig. 4 further includes a display screen 16, the display screen 16 is in communication connection with the controller 13, and the controller 13 is configured to control the display screen 16 to display a white picture to provide the compensation light, where the compensation light is visible light. According to the mode, the light supplementing operation can be carried out by displaying the white visible light corresponding to the white picture on the display screen 16 of the electronic equipment, so that the imaging quality of the eye image of the user is improved, and the face self-shooting or face recognition operation of the user is facilitated. Similarly, in this mode, the white visible light corresponding to the white image displayed on the display screen 16 is unpolarized light, which is equivalent to natural light with multiple polarization directions, and if the user currently wears glasses which are not circularly polarized lenses, at least part of the compensation light can be irradiated to the eyes through the glasses, and after being reflected by the eyes, the compensation light is collected by the camera assembly through the glasses again, so as to improve the intensity of the reflected light of the eyes after being emitted through the glasses, and improve the quality of the eye image.
In a third manner, the supplementary lighting operation may also be implemented by the detecting light emitting component 11. Specifically, in the process of acquiring the second image, the detection light emitting component 11 emits detection light with a preset polarization direction as the compensation light, the compensation light is infrared light, the detection light sensing component 12 is configured to form a third eye image of the user based on the detection light, and the controller 13 is further configured to fuse and superimpose the third eye image and the second image. In this mode, the infrared detection light of the preset polarization direction transmitted by the detection light transmitting assembly 11 is used for the above light supplementing operation, so that the imaging quality of the eye image of the user is improved, and the face recognition operation is facilitated.
In a third mode, if the glasses currently worn by the user are linearly polarized lenses, the preset polarization direction and the polarization direction of the linearly polarized lenses satisfy a target condition, where the target condition includes: the preset direction is the same as the polarization direction of the linearly polarized lens, or the included angle between the preset direction and the polarization direction of the linearly polarized lens is the minimum. The polarization direction of the polarized light beams emitted from the detecting light emitting component 11 is a known polarization parameter, and the controller 13 can determine whether the target condition is satisfied based on the optical property of the currently worn glasses and the known polarization parameter. If the glasses currently worn by the user are chemical absorption lenses or full-transmission lenses, any one of the detection lights emitted by the detection light emitting component 11 can be selected as the compensation light, and any one of the detection lights emitted by the detection light emitting component 11 can partially pass through the glasses.
A fourth mode, the implementation manner of the supplementary lighting operation may be further shown in fig. 5, where fig. 5 is a schematic structural diagram of another electronic device provided in the embodiment of the present application, and on the basis of the mode shown in fig. 2, the electronic device shown in fig. 5 further includes a polarized visible light compensation component 17, where the polarized visible light compensation component 17 is in communication connection with the controller 13, and is capable of emitting multiple beams of visible light with different polarization directions, and when the non-light operation is performed, the polarized visible light compensation component 17 is configured to emit visible light with a preset polarization direction as the compensation light. In this manner, the polarized visible light compensation component 17 may emit visible light with a preset polarization direction as the compensation light, and if the user currently wears glasses which are not circularly polarized lenses, the visible light with the preset polarization direction can be irradiated to the eyes through the glasses and reflected by the eyes, and then collected by the camera component through the glasses again, so as to improve the intensity of the reflected light of the eyes after being emitted through the glasses, and improve the quality of the eye image.
In a fourth mode, as in the third mode, if the glasses currently worn by the user are linearly polarized lenses, the preset polarization direction and the polarization direction of the linearly polarized lenses satisfy a target condition, where the target condition includes: the preset direction is the same as the polarization direction of the linearly polarized lens, or the included angle between the preset direction and the polarization direction of the linearly polarized lens is the minimum. The polarization direction of the polarized light beams emitted by the polarized visible light compensation component 17 is a known polarization parameter, and the controller 13 can determine whether the target condition is satisfied based on the optical property of the currently worn glasses and the known polarization parameter. If the glasses currently worn by the user are chemical absorption lenses or full-transmission lenses, any one of the detection lights emitted by the polarized visible light compensation assembly 17 can be selected as the compensation light, and part of the detection light of any one of the polarized visible light compensation assembly 17 can pass through the glasses. The structure of the polarized visible light compensation member 17 may be different from that of the detection light emitting member 11 in that the light source device is different.
In a fifth manner, the implementation manner of the light supplement operation may also be as shown in fig. 6, where fig. 6 is a schematic structural diagram of another electronic device provided in the embodiment of the present application, and on the basis of the manner shown in fig. 2, the electronic device shown in fig. 6 further includes an unpolarized infrared light supplement component 18, where the unpolarized infrared light supplement component 18 is in communication connection with the controller 13 and is used for emitting infrared light in a pre-unpolarized state. The mode can carry out above-mentioned light filling operation through the visible light that non-polarized infrared light filling subassembly 18 provided, improves user's eye image imaging quality to user's face auto heterodyne or face identification operation etc. are convenient for. In this way, the unpolarized infrared light supplementary lighting assembly 18 emits the pre-unpolarized infrared light as the compensation light, if the user currently wears glasses which are not circularly polarized lenses, at least part of the compensation light can be irradiated to the eyes through the glasses and is reflected by the eyes, and then is collected by the camera assembly through the glasses again, so as to improve the intensity of the reflected light of the eyes after being emitted through the glasses and improve the quality of the images of the eyes.
In a fifth mode, the camera assembly 14 forms the second image based on visible light imaging, and simultaneously forms a fourth image by detecting the light sensing assembly 12 to perform infrared light imaging, and the controller 13 is further configured to fuse and superimpose the fourth eye image and the second image. In this way, the light supplement operation is performed by the unpolarized infrared detection light emitted by the unpolarized infrared light supplement component 18, so that the imaging quality of the eye image of the user is improved, and the face recognition operation is facilitated.
In the related art, the face recognition cannot be performed when a user wears linearly polarized lenses and chemically polarized lenses, because the shielding of the worn glasses can cause the shooting of the eye features of the user to be unclear and the eye features cannot be accurately acquired and compared with the standard eye features. According to the technical scheme, the compensation scheme can be carried out through infrared light, visible light imaging can be carried out through the camera assembly 14 to form a second image, one or more pieces of feature point information which are not shielded by glasses in the face, the nose, the mouth, the eyebrows and the ears of a user can be captured, eye feature point information shielded by the glasses can be obtained through infrared compensation light, white balance adjustment is carried out on the two images, the two images are fused and overlapped into one image, the fused and overlapped facial image comprises a cleaned eye image, and face recognition is facilitated.
In the electronic device according to the embodiment of the present application, the light supplement scheme may be implemented by at least one of the first to fifth manners.
As shown in fig. 7, fig. 7 is a schematic structural diagram of another electronic device provided in an embodiment of the present application, and based on the manner shown in fig. 1, the electronic device shown in fig. 7 may include a display screen 19, where the display screen 19 is communicatively connected to the controller 13, and the display screen 19 is used for displaying an image. The display screen 19 displays images and corresponding light lines comprise linearly polarized light, and the display screen 19 displays images through the pure linearly polarized light in a certain polarization direction. If the glasses worn by the user are linearly polarized lenses and the included angle between the polarization direction of the linearly polarized lenses and the polarization direction of the emergent linearly polarized light of the display screen 19 is too large, the user can perceive that the brightness of the image displayed by the display screen 19 is reduced, and the watching effect of the user is affected.
If the included angle between the polarization direction of the linearly polarized lens currently worn by the user and the polarization direction of the currently emergent linearly polarized light of the display screen 19 is greater than a set threshold, the parallel condition is not satisfied, and if the included angle is not greater than the set threshold, the parallel condition is satisfied, the set threshold can be set based on requirements, which is not specifically limited in the embodiment of the present application.
It should be noted that, in the present application, the condition that two directions satisfy the parallel condition means that the two directions are parallel or approximately parallel within an error tolerance range, that is, an included angle between the two directions is smaller than a second set value, and if the condition that the two directions do not satisfy the parallel condition, the included angle between the two directions is larger than the second set value. The second setting value may be defined based on an error and a please see precision, which is not specifically limited in this application.
In the electronic device shown in fig. 7, the controller 13 is further configured to, when it is determined that the glasses are linearly polarized lenses, control the electronic device to display prompt information to the user if the display screen 19 displays linearly polarized light corresponding to an image and the polarization direction of the linearly polarized lenses does not satisfy the parallel condition, so that the user rotates the display screen 19 based on the prompt information, so that the display screen 19 displays linearly polarized light corresponding to an image and the polarization direction of the linearly polarized lenses satisfies the parallel condition, thereby improving the proportion of outgoing linearly polarized light of the display screen 19 passing through the linearly polarized lenses, and further improving the perceived image brightness of the user when wearing the linearly polarized lenses.
The prompt information includes prompt information for prompting the user to rotate the display screen, and the user can select the display screen to display the display image of the display screen 19 at the position with higher brightness after knowing the prompt information.
Alternatively, if the parallel condition is not satisfied, the controller 13 is further configured to increase the display brightness of the display screen 19 to increase the image brightness perceived by the user when wearing the linearly polarized lens.
Alternatively, the prompt information includes the rotation direction and rotation angle prompt information corresponding to the current position of the display screen 19. The polarization direction of the outgoing linearly polarized light of the display screen 19 at the current position is a known parameter. The controller 13 can determine the polarization direction of the linearly polarized lens by the detection light emitting element 11 and the detection light sensing element 12, and the polarization direction corresponding to the detection light with the maximum intensity information in the first eye image is equivalent to the polarization direction of the linearly polarized lens. The controller 13 is configured to determine the rotation direction and the rotation angle based on the polarization direction of the linearly polarized light emitted from the display screen 19 at the current position and the polarization direction of the linearly polarized lens, and further generate the prompt information, so that the prompt information is displayed through the display screen.
In the manner shown in fig. 7, the display screen 19 may further include a polarization adjustment device, where the polarization adjustment device at least includes two polarization adjustment states, and in different polarization adjustment states, after linearly polarized light in the same polarization direction passes through the polarization adjustment device, the change amount of the polarization direction is different; the controller 13 is further configured to, when it is determined that the glasses are linearly polarized lenses, control the polarization adjustment device to be in a set polarization state if the polarization direction of the linearly polarized lenses and the linearly polarized light corresponding to the image displayed on the display screen 19 do not satisfy a parallel condition, so that the emergent light of the display screen and the polarization direction of the linearly polarized lenses satisfy the parallel condition after passing through the polarization adjustment device. The polarization adjusting device can be a liquid crystal polarizing film attached to the display side of the display screen 19, and based on different control voltages, the liquid crystal polarizing film has different polarization adjusting states, so that the polarization direction of linearly polarized light emitted by the display screen 19 can be changed, the polarization direction of the linearly polarized light and the polarization direction of the linearly polarized lens meet the parallel condition, and the brightness of a user for perceiving an image displayed on the display screen 19 is improved. In this way, the polarization direction of the currently emergent linearly polarized light of the display screen 19 and the polarization direction of the linearly polarized lens currently worn by the user can be automatically adjusted to meet the parallel condition without rotating the display screen 19.
In the existing electronic equipment, when a user wears the linearly polarized lens to watch an image displayed on the display screen based on linearly polarized light, if a large included angle exists between the polarization directions of the display screen and the linearly polarized lens, the displayed image cannot be clearly seen, and at the moment, if the hardware frame of the electronic equipment is not changed, the user can generally continue to use the electronic equipment to watch the displayed image only by removing the glasses. According to the scheme shown in fig. 7, the brightness of the image perceived by the user when wearing the linearly polarized lens can be improved without removing the glasses.
When a user wears glasses to watch images displayed on the electronic equipment, continuous and different scenes exist, and different pursuits are given to display effects such as display brightness and colors under different scenes. The current electronic equipment cannot identify the continuous scenes of wearing and taking off the glasses by the user so as to provide more intelligent and natural services for the user. Similarly, when a user wears glasses to acquire images through electronic equipment, continuous and different scenes exist, and different pursuits are given to display effects such as brightness and color of the acquired images in different scenes. The current electronic equipment cannot identify the continuous scenes of wearing and taking off the glasses by the user so as to provide more intelligent and natural services for the user.
In order to provide more intelligent and natural services for users, in the electronic device according to the embodiment of the present application, the controller 13 is further configured to control the electronic device to be in a first state when it is determined that a preset condition is met, so that a display image of the electronic device is adapted to a light attribute of the glasses and/or a captured image of the electronic device is adapted to the light attribute of the glasses; the preset condition includes that the user wears glasses, and the glasses block the sight of the user. If the user currently wears the glasses and the glasses block the sight line of the user, the preset condition is not met, for example, the user wears the glasses and the glasses are pulled up and placed above the forehead to expose the eyes of the user, or the user wears the glasses and the glasses are pulled down and placed below the eyes, or the user wears the glasses and the glasses are countersunk to lift the eyes to watch the front electronic equipment, the preset condition is not met. When it is determined that the preset condition is not satisfied, the controller 13 is further configured to control the electronic device to be in a second state, so that the electronic device displays an image based on the initial setting and/or so that the electronic device acquires an image based on the initial setting.
When the user regularly takes off the glasses and controls the electronic device to display the image, the controller 13 may regularly control the brightness and/or color of the displayed image based on whether the preset condition is met, so as to adapt to whether the user currently wears the glasses meeting the preset condition for image display. When the user regularly takes off and wears the glasses, when the electronic equipment is controlled to collect images, the controller can correspondingly regularly open or close the light supplement process in the image collection process based on whether the preset conditions during speaking are met, so that the controller is adapted to image collection under the condition that whether the user currently meets the preset conditions during wearing the glasses.
The electronic equipment can identify whether the user wears the glasses or not, identify the head-sinking operation, identify the position of the glasses to be lowered and raised, identify the positions of the eyes of the user and the like through the camera assembly, and confirm whether the user regularly takes off the glasses or wears the glasses or not based on the identification result, so that the image display or the image acquisition is adaptively adjusted.
Based on the foregoing embodiment, another embodiment of the present application further provides a control method of an electronic device, where the electronic device is the electronic device in the foregoing embodiment, the electronic device includes a detection light emitting component and a detection light sensing component, the control method is shown in fig. 8, fig. 8 is a schematic flow diagram of a control method of an electronic device provided in the embodiment of the present application, and the control method includes:
step S11: and controlling the detection light emitting assembly to sequentially emit a plurality of beams of the detection light with different polarization directions to the eyes of the user.
Step S12: the method comprises the steps of obtaining a first eye image formed by the detection light sensing assembly corresponding to each beam of detection light, and confirming the optical property of glasses worn by a user based on a plurality of first eye images.
Optionally, the method for confirming the optical property of the glasses comprises: confirming optical properties of the glasses based on color information in the first eye image. Wherein if the color information of the detection light in the plurality of first eye images satisfies different conditions, the glasses are linearly polarized lenses; if the color information of the detection light in the plurality of first eye images meets the same condition and is greater than a threshold value, the glasses are chemical absorption lenses or full-transmission lenses; if the color information of the detection light in the plurality of first eye images satisfies the same condition and does not exceed the threshold, the glasses are circularly polarized lenses. The confirmation method may be described with reference to the above embodiments, and is not described herein again.
Optionally, the electronic device further includes a camera assembly, and in this case, the control method further includes: and in the image acquisition process, supplementing light according to the optical property of the glasses worn by the user. The light supplement method may be as shown in steps S13-S15 in the method shown in fig. 9, and fig. 9 is a schematic flow chart of another electronic device control method provided in the embodiment of the present application, where the control method further includes, on the basis of the mode shown in fig. 8:
step S13: and acquiring an image acquisition instruction.
Step S14: and responding to the acquisition of the image acquisition instruction, and determining whether a light supplement starting condition is met.
Step S15: if the supplementary lighting starting condition is met, controlling the electronic equipment to provide compensating light in the process that the camera assembly executes the image acquisition instruction to form a second image so as to improve the intensity of the eye reflected light of the user after the eye reflected light exits through the glasses; the second image includes a second eye image of the user.
Optionally, the electronic device further includes a display screen, and the display screen displays images including linearly polarized light corresponding to the light rays.
The method further comprises the following steps: when the glasses are confirmed to be linearly polarized lenses, whether the linearly polarized light corresponding to the display image of the display screen and the polarization direction of the linearly polarized lenses meet a parallel condition is determined; and if the parallel condition is not met, controlling the electronic equipment to display prompt information to the user so that the user rotates the display screen based on the prompt information, and the linear polarization corresponding to the display image of the display screen and the polarization direction of the linearly polarized lens meet the parallel condition.
Or the display screen comprises a polarization adjusting device, the polarization adjusting device at least comprises two polarization adjusting states, and the change amount of the polarization direction is different after linearly polarized light in the same polarization direction passes through the polarization adjusting device in different polarization adjusting states; the control method further comprises the following steps: and controlling the polarization adjusting device to be in a set polarization state, so that the emergent light of the display screen and the polarization direction of the linearly polarized lens meet the parallel condition after passing through the polarization adjusting device.
The control method may determine the optical property of the worn glasses based on the color information in the first eye image when the glasses are worn by the user. The control method can also perform wave light operation when the light supplement starting condition is met and the user wears the glasses, so that the quality of the eye image is improved. The control method can also enable the polarization direction of the linearly polarized lens worn by the user and the linearly polarized light of the display image to meet the parallel condition so as to improve the brightness of the display image of the display screen perceived by the user when the user wears the linearly polarized lens.
The embodiments in the present description are described in a progressive manner, or in a parallel manner, or in a combination of a progressive manner and a parallel manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be referred to each other. The control method disclosed by the embodiment corresponds to the electronic equipment disclosed by the embodiment, so that the description is relatively simple, and the relevant parts can be referred to the relevant parts of the electronic equipment for explanation.
It should be noted that in the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only used for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or component in question must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electronic device, the electronic device comprising:
the detection light emitting component is used for emitting detection light, and the detection light is linearly polarized light;
a detection light sensing component for imaging based on the detection light;
the controller is used for controlling the detection light emitting assembly to sequentially emit a plurality of beams of detection light with different polarization directions to the eyes of the user, acquiring a first eye image formed by the detection light sensing assembly corresponding to each beam of detection light, and confirming the optical property of the current glasses worn by the user based on the color information in the first eye images.
2. The electronic device of claim 1, confirming an optical property that a user is currently wearing glasses based on color information in a plurality of the first eye images, comprising:
if the color information in the first eye images meets different conditions, the glasses are linearly polarized lenses; if the color information in the plurality of first eye images meets the same condition and is greater than a threshold value, the glasses are chemical absorption lenses or full-transparent lenses; if the color information in the plurality of first eye images satisfies the same condition and does not exceed the threshold, the glasses are circularly polarized lenses.
3. The electronic device of claim 2, further comprising a camera assembly for visible light imaging;
the controller is further configured to determine whether a supplementary lighting starting condition is met or not if an image acquisition instruction is acquired, and if so, control the electronic device to provide compensating light to improve the intensity of the eye reflected light of the user after the eye reflected light passes through the glasses in the process that the camera assembly executes the image acquisition instruction to acquire visible light to form a second image, where the second image includes a second eye image of the user.
4. The electronic device of claim 3, further comprising a flash to emit the compensation light, the compensation light being visible light;
or, the electronic device further includes a display screen, and the controller is configured to control the display screen to display a white picture to provide the compensation light, where the compensation light is visible light;
or, in the process of acquiring the second image, the detection light emitting component emits detection light in a preset polarization direction as the compensation light, the compensation light is infrared light, the detection light sensing component is configured to form a third eye image of the user based on the detection light, and the controller is further configured to fuse and superimpose the third eye image and the second image.
5. The electronic device of claim 2, further comprising a display screen that displays an image comprising linearly polarized light corresponding to the light lines;
the controller is further configured to, when it is determined that the glasses are linearly polarized lenses, control the electronic device to display prompt information to the user if the polarization directions of the linearly polarized lenses and the linearly polarized light corresponding to the images displayed on the display screen do not satisfy a parallel condition, so that the user rotates the display screen based on the prompt information, and the polarization directions of the linearly polarized lenses and the linearly polarized light corresponding to the images displayed on the display screen satisfy the parallel condition;
or the display screen is provided with a polarization adjusting device, the polarization adjusting device at least comprises two polarization adjusting states, and the change amount of the polarization direction is different after linearly polarized light in the same polarization direction passes through the polarization adjusting device in different polarization adjusting states; the controller is further configured to control the polarization adjusting device to be in a set polarization state if the linearly polarized light corresponding to the display image of the display screen and the polarization direction of the linearly polarized lens do not satisfy the parallel condition under the condition that the glasses are the linearly polarized lens, so that the emergent light of the display screen and the polarization direction of the linearly polarized lens satisfy the parallel condition after passing through the polarization adjusting device.
6. The electronic device according to any one of claims 1 to 5, wherein the controller is further configured to control the electronic device to be in a first state when it is determined that a preset condition is satisfied, so that the electronic device displays an image adapted to the light attributes of the glasses and/or so that a captured image of the electronic device is adapted to the light attributes of the glasses; the preset condition includes that the user wears glasses, and the glasses block the sight of the user.
7. A method of controlling an electronic device, the electronic device including a detection light emitting element and a detection light sensing element, the method comprising:
controlling the detection light emitting assembly to sequentially emit a plurality of beams of detection light with different polarization directions to eyes of a user;
the method comprises the steps of obtaining a first eye image formed by the detection light sensing assembly corresponding to each beam of detection light, and confirming the optical property of glasses worn by a user based on a plurality of first eye images.
8. The control method according to claim 7, wherein,
the method of confirming the optical properties of the glasses comprises:
confirming optical properties of the glasses based on color information in the first eye image;
if the color information in the first eye images meets different conditions, the glasses are linearly polarized lenses; if the color information in the plurality of first eye images meets the same condition and is greater than a threshold value, the glasses are chemical absorption lenses or full-transparent lenses; if the color information in the plurality of first eye images satisfies the same condition and does not exceed the threshold, the glasses are circularly polarized lenses.
9. The control method of claim 8, the electronic device further comprising a camera assembly, the control method further comprising:
and in the image acquisition process, supplementing light according to the optical property of the glasses worn by the user.
10. The control method of claim 8, the electronic device further comprising a display screen that displays an image comprising linearly polarized light corresponding to the line of light;
the method further comprises the following steps:
when the glasses are confirmed to be linearly polarized lenses, whether the linearly polarized light corresponding to the display image of the display screen and the polarization direction of the linearly polarized lenses meet a parallel condition is determined;
if the parallel condition is not met, controlling the electronic equipment to display prompt information to the user, so that the user rotates the display screen based on the prompt information, and the linear polarization corresponding to the display image of the display screen and the polarization direction of the linearly polarized lens meet the parallel condition;
or the display screen comprises a polarization adjusting device, the polarization adjusting device at least comprises two polarization adjusting states, and the change amount of the polarization direction is different after linearly polarized light in the same polarization direction passes through the polarization adjusting device in different polarization adjusting states;
the control method further comprises the following steps: and controlling the polarization adjusting device to be in a set polarization state, so that the emergent light of the display screen and the polarization direction of the linearly polarized lens meet the parallel condition after passing through the polarization adjusting device.
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| CN105866953A (en) * | 2016-06-07 | 2016-08-17 | 北京行云时空科技有限公司 | Permeation rate control method and device based on smart glasses as well as smart glasses |
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| US9529430B2 (en) * | 2012-01-26 | 2016-12-27 | Seereal Technologies S.A. | Display with observer tracking |
| CN103513439B (en) * | 2012-06-21 | 2015-11-25 | 联想(北京)有限公司 | A kind of display packing and display module |
| US9873233B2 (en) * | 2013-03-15 | 2018-01-23 | Johnson & Johnson Vision Care, Inc. | Ophthalmic lens viewing sets for three-dimensional perception of stereoscopic media |
| JP6262918B2 (en) * | 2015-04-15 | 2018-01-17 | 富士フイルム株式会社 | Optical observation apparatus and control method thereof |
| CN109116559B (en) * | 2017-06-26 | 2024-06-11 | 京东方科技集团股份有限公司 | Display system and image display method |
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