CN105120180A - A method, device and mobile terminal for self-portrait based on rear camera - Google Patents

Abstract

The invention discloses a method, a device and a mobile terminal for self-shooting based on a rear camera, which are applied to the mobile terminal provided with the rear camera, and the mobile terminal is provided with double display screens on the front and the back, wherein the self-shooting method comprises the following steps: starting a rear camera and entering a self-photographing mode; lighting an auxiliary display screen positioned on the back of the mobile terminal, and previewing the shot scenery in real time through the auxiliary display screen; and triggering the shutter button of the rear camera to take a picture through an entity side key or voice signal control. According to the method, the auxiliary display screen is opened for previewing the picture in real time under the mode that the rear camera is opened for self-shooting by the mobile terminal, the problem that a user who starts the rear camera for self-shooting before is difficult to judge the position of the user in the picture is effectively solved, the poor experience of self-shooting effect cannot be mastered, and the operation experience of the user for self-shooting by utilizing the rear camera with high pixels is effectively improved.

Description

A method, device and mobile terminal for self-portrait based on rear camera

technical field

The present invention relates to the field of communication technology of mobile terminals, in particular to a method and device for taking selfies based on a rear camera and a mobile terminal.

Background technique

With the progress and development of the times, people of all ages are more and more courageous to express themselves and share their own experiences. The demand for taking selfies with mobile terminals such as mobile phones is increasing, and the requirements for the imaging effect of selfies are gradually increasing.

Nowadays, mobile terminals such as mobile phones are generally equipped with two cameras, a front camera and a rear camera. The front camera is mainly used when the user takes a selfie. quality requirements.

The pixels of the rear camera are much higher than that of the front camera, and the photos taken can meet the requirements of users. However, the screens and rear cameras of most mobile phones are located on the front and back sides of the phone. You only need to point the lens at the object you want to shoot, and the screen will display the framing image, and you can adjust the relative position of the rear lens just by observing the screen; however, if you are shooting yourself or the object behind you, the rear lens will be aimed at you At the same time, the screen is facing away from oneself. Without a dedicated viewfinder, the selfie-taker cannot see his own image in the viewfinder when taking a selfie with the rear camera of a mobile terminal such as a mobile phone, and it is difficult to judge his position in the viewfinder. , It is impossible to grasp the quality of the Selfie, and you can only judge the orientation of the face and the timing of pressing the shutter based on the feel and experience, which often causes the viewfinder screen to shake or the facial organs to deviate or even leave the viewfinder screen, making the Selfie effect unsatisfactory.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, and provide a method, device and mobile terminal for taking selfies based on a rear camera.

According to the disclosed embodiment, the first aspect of the present invention discloses a method for taking a selfie based on a rear camera, which is applied to a mobile terminal equipped with a rear camera, and the front and back of the mobile terminal are respectively provided with main display screens and a secondary display, the method includes the following steps:

Turn on the rear camera and enter the selfie mode;

Lighting up the sub-display screen located on the back of the mobile terminal, and performing a real-time preview of the shooting scene through the sub-display screen;

Trigger the shutter button of the rear camera to take pictures.

Further, the shutter button of the rear camera is triggered by the physical side key of the mobile terminal to take pictures.

Further, the shutter button of the rear camera is triggered to take pictures through voice signal control.

Further, the lighting up of the secondary display screen located on the back of the mobile terminal, while performing real-time preview of the shooting scene through the secondary display screen, also includes the following steps:

Turning off the main display screen of the mobile terminal by pressing the physical side key of the mobile terminal.

Further, before turning on the rear camera and entering the Selfie mode, the following steps are also included;

Set any one of the physical side keys on the mobile terminal body as the shutter button of the rear camera, and set any other of the physical side keys on the mobile terminal body as the main display screen Turn off or light up the button.

According to the disclosed embodiment, the second aspect of the present invention discloses a device for taking selfies based on a rear camera, which is applied to a mobile terminal equipped with a rear camera, and the front and back of the mobile terminal are respectively provided with main display screens and secondary display, the unit includes:

Turn on the module, which is used to turn on the rear camera and enter the Selfie mode;

The lighting module is used to light the secondary display screen located on the back of the mobile terminal, and perform real-time preview of the shooting scene through the secondary display screen;

The camera module is used to trigger the shutter button of the rear camera to take pictures.

Further, the camera module includes:

The first trigger unit is configured to trigger the shutter button of the rear camera to take pictures through the physical side button of the mobile terminal.

Further, the camera module also includes:

The second trigger unit is used to control and trigger the shutter button of the rear camera to take pictures through voice signal control.

Further, the device also includes:

The main screen control module is used to turn off the main display screen of the mobile terminal by pressing the physical side key of the mobile terminal.

Further, the device also includes:

The side key setting module is used to set any one of the physical side keys on the mobile terminal body as the shutter button of the rear camera, and simultaneously set any other one of the physical side keys on the mobile terminal body. One is for the main display screen to go off or to light up the button.

According to the disclosed embodiments, a third aspect of the present invention provides a mobile terminal, where the mobile terminal includes the above apparatus.

Compared with the prior art, the present invention has the following advantages and effects:

The invention discloses a method, device and mobile terminal for taking selfies based on a rear camera. The mobile terminal is provided with dual display screens on the front and back, wherein the display screen set on the back of the mobile terminal is a secondary display screen. When the camera is used, the display screen is switched to the secondary display screen, which is used for framing, and at the same time, in order to better cooperate with the rear camera to better complete the Selfie function, effectively improving the user experience.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only the drawings of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

FIG. 1 is a flow chart of a method for taking a selfie based on a rear camera in Embodiment 1;

FIG. 2 is a flow chart of another method for taking a selfie based on a rear camera in Embodiment 1;

FIG. 3 is a flow chart of another method for taking a selfie based on a rear camera in Embodiment 1;

FIG. 4 is a flow chart of another method for taking a selfie based on a rear camera in Embodiment 1;

FIG. 5 is a block diagram of a device for taking selfies based on a rear camera in Embodiment 2;

FIG. 6 is a block diagram of yet another device for taking selfies based on a rear camera in Embodiment 2;

FIG. 7 is a block diagram of yet another device for taking selfies based on a rear camera in Embodiment 2;

FIG. 8 is a block diagram of another device for taking selfies based on a rear camera in the second embodiment.

detailed description

In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The terms "first", "second", "third" and "fourth" in the specification and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

The detailed description will be given below based on the examples.

Embodiment one

Please refer to FIG. 1 . FIG. 1 is a flow chart of a method for taking a selfie based on a rear camera in the first embodiment. A method for taking selfies based on the rear camera shown in Figure 1 is applied to smart mobile terminals, including but not limited to mobile phones, notebook computers, tablet computers and handheld Internet devices, multimedia devices, streaming media devices, Mobile Internet device (MID, mobileinternetdevice), wearable device or other types of terminal devices.

For mobile terminals, with the advancement of technology, the camera definition of mobile terminals has made great progress, and has largely replaced card cameras. For many mobile terminal users, the function of the mobile terminal camera largely determines the user's choice of the device and user experience. At present, most mobile terminals are equipped with front and rear cameras. The main function of the front camera is to take selfies, but the pixels of the front camera are relatively low, and the pixels of the rear camera are much higher than those of the front camera. , The rear camera is located on the opposite side of the mobile terminal. When the user takes a selfie with the rear camera, he cannot see the screen, cannot determine the viewfinder range, and it is difficult to obtain satisfactory results.

The mobile terminal in this embodiment is equipped with a rear camera. Whether it is equipped with a front camera is not required by the technical solution in this embodiment. At the same time, the mobile terminal is equipped with dual display screens on the front and back, and the display screen set on the front of the mobile terminal The screen is the main display screen (referred to as the main screen), and the display screen set on the back of the mobile terminal is the secondary display screen (abbreviated as the back screen). By adding a secondary display screen on the back of the mobile terminal, which is specially used for taking pictures and framing, the size and position can be freely defined, and the steps to realize the Selfie method based on the rear camera are as follows:

Step S101, turn on the rear camera and enter the Selfie mode.

This step is triggered by the user. The mobile terminal turns on the rear camera and enters the camera mode. Since the rear camera can be used to shoot scenes, this is a conventional usage scenario. At this time, the user can view the scene through the main display screen. Select the shooting angle of the scene and place it in the viewfinder frame of the main display screen, and trigger the door opening button or button to complete the shooting. However, in this embodiment, the mobile terminal turns on the rear camera to enter the Selfie mode. At this time, the user faces the rear camera of the mobile terminal to himself and then takes pictures at a certain angle. Since the user faces the back of the mobile terminal to himself, the user cannot see. As far as the main display screen of the mobile terminal is concerned, only when the rear camera is turned on and the Selfie mode is entered at the same time, the mobile terminal will light up the secondary display screen located on the back of the mobile terminal.

Step S102, lighting up the secondary display screen located on the back of the mobile terminal, and performing a real-time preview of the shooting scene through the secondary display screen;

This step is for the mobile terminal to turn on the secondary display on the back of the mobile terminal after turning on the rear camera and entering the Selfie mode. Since the user cannot see the main display of the mobile terminal with the rear camera facing the mobile terminal at this time, this When shooting, you can only shoot and view through the secondary display. The sub-display is set on the back of the mobile terminal and is specially used for taking pictures. The specification, size and position of the sub-display can be freely defined and designed by engineers and technicians according to the user's operating habits during development and design. In this embodiment, no A special explanation is made, and it does not constitute a limitation to the technical solution of this embodiment.

Step S103, triggering the shutter button of the rear camera to take pictures.

After the user selects a satisfactory camera angle and scene through the secondary display screen, the user triggers a shutter button on the mobile terminal to take a photo. Since the user can preview the self-portrait picture in real time through the rear camera, it is convenient for the user to view the view and capture the facial expression of the self-portrait user, realize the self-portrait of the high-pixel rear camera, and improve the photographing efficiency and user experience.

In another preferred implementation manner, in the step S102, the secondary display screen located on the back of the mobile terminal is turned on, and while the real-time preview of the shooting scene is performed through the secondary display screen, the self-portrait based on the rear camera The method also includes the following steps:

Step S1021, turning off the main display screen of the mobile terminal by pressing the physical side key of the mobile terminal. The specific process steps can refer to the accompanying drawing 2.

When switching to the rear camera and opening the back screen of the mobile terminal for Selfie mode, the user can turn off the main display screen of the mobile terminal by pressing the physical side key of the mobile terminal, which can save power and Prevent misoperation on the main display screen when the mobile terminal is held upside down. When the user needs to turn off the selfie mode of the rear camera and light up the main display screen, the user only needs to press the physical side key of the mobile terminal again. Exemplarily, in this embodiment, the physical power button can be used as a control button for turning off and turning on the mobile terminal.

In another preferred implementation manner, the shutter button of the rear camera is triggered by the physical side key of the mobile terminal to take pictures. For the specific flow chart, please refer to the accompanying drawing 3 .

It can be seen from accompanying drawing 3 that in the step S102, the secondary display screen located on the back of the mobile terminal is lit, and after the real-time preview of the shooting scene is performed through the secondary display screen, a Selfie based on the rear camera disclosed in this embodiment Methods include:

Step S1031, triggering the shutter button of the rear camera through the physical side button of the mobile terminal to take a picture.

Since the user faces the back of the mobile terminal at this time, he cannot operate through the main display screen on the front of the mobile terminal, but usually the physical power button and volume increase and decrease physical buttons of the mobile terminal are set on the side of the mobile terminal. The side key is set as the shutter button when the mobile terminal adopts the rear camera to take a selfie, so before step S101, it also includes step S100: setting any one of the physical side keys on the mobile terminal body as the shutter button step, simultaneously setting any one of the physical side keys on the body of the mobile terminal as the step of turning off or lighting up the key on the main display screen. Here, the physical side button used as the shutter button should not be duplicated with the above physical button for closing the main display screen of the mobile terminal, so as to avoid logical confusion. Exemplarily, in this embodiment, the physical volume up key can be used as a shutter button for the rear camera to take a selfie.

In another preferred implementation manner, the shutter button of the rear camera is triggered to take pictures through voice signal control. For the specific flow chart, please refer to the accompanying drawing 4.

It can be seen from accompanying drawing 4 that in the step S102, the secondary display screen located on the back of the mobile terminal is lit, and after the real-time preview of the shooting scene is performed through the secondary display screen, a Selfie based on the rear camera disclosed in this embodiment Methods include:

Step S1032, controlling and triggering the shutter button of the rear camera to take pictures through voice signal control.

Since the user faces the back of the mobile terminal at this time, he cannot operate through the main display screen on the front of the mobile terminal. However, the mobile terminals currently on the market are generally intelligent, and the user sends control signals through voice signals, and the mobile terminal obtains voice signals through the voice recognition module. , and then demodulate the voice signal and convert it into control information, so as to realize the control function of the shutter button of the rear camera.

To sum up, the first embodiment discloses a method for taking selfies based on the rear camera. The method is based on a mobile terminal with dual display screens on the front and back, wherein the display screen on the back of the mobile terminal is a secondary display screen. , when the rear camera is turned on, the display screen switches to the secondary display screen, which is used to preview the picture in real time, and can cooperate with the rear camera to better complete the Selfie function, effectively improving the user's ability to take selfies with the high-pixel rear camera operating experience.

Embodiment two

In order to better meet the increasing needs of mobile terminal users for taking selfies and improve the effectiveness of selfies, the second embodiment discloses a device for taking selfies based on a rear camera, which is applied to smart mobile terminals, and the smart Mobile terminals include, but are not limited to, mobile phones, notebook computers, tablet computers, and handheld Internet devices, multimedia devices, streaming media devices, mobile Internet devices (MID, mobile internet device), wearable devices, or other types of terminal devices.

The mobile terminal in this embodiment is equipped with a rear camera. Whether it is equipped with a front camera is not required by the technical solution in this embodiment. At the same time, the mobile terminal is equipped with dual display screens on the front and back, and the display screen set on the front of the mobile terminal The screen is the main display screen (referred to as the main screen), and the display screen set on the back of the mobile terminal is the secondary display screen (abbreviated as the back screen). By adding a secondary display screen on the back of the mobile terminal, it is specially used for taking pictures and framing, and the size and position can be freely defined. The structural block diagram of the device for taking selfies based on the rear camera is shown in Figure 5, specifically including: Turn on the module 201 , the lighting module 202 and the camera module 203 .

The opening module 201 is used to open the rear camera and enter the Selfie mode.

The lighting module 202 is configured to light a secondary display screen located on the back of the mobile terminal, and perform real-time preview of the shooting scene through the secondary display screen.

The photographing module 203 is configured to trigger the shutter button of the rear camera to take photographs.

In another preferred embodiment, the device for taking selfies based on the rear camera is shown in Figure 6, wherein the camera module 203 includes:

The first trigger unit 2031 is configured to trigger the shutter button of the rear camera to take pictures through the physical side button of the mobile terminal.

Wherein said camera module 203 also includes:

The second trigger unit 2032 is configured to control and trigger the shutter button of the rear camera to take pictures through voice signal control.

In another preferred embodiment, the device for taking selfies based on the rear camera is shown in Figure 7, and the device also includes:

The main screen control module 2021 is configured to turn off the main display screen of the mobile terminal by pressing the physical side key of the mobile terminal.

In another preferred embodiment, the device for taking selfies based on the rear camera is shown in Figure 8, and the device also includes:

The side key setting module 200 is used to set any one of the physical side keys on the mobile terminal body as the shutter button of the rear camera, and simultaneously set another one of the physical side keys on the mobile terminal body. Either one is the main display screen is off or the button is on.

An embodiment of the present invention also provides a mobile terminal, specifically including the devices shown in FIG. 5 to FIG. 8 .

Based on the same inventive concept, the embodiment of the present invention provides a device for taking selfies based on the rear camera and a mobile terminal. The principle of solving the problem is similar to the aforementioned method for taking selfies based on the rear camera. Reference can be made to the implementation of the foregoing method, and for the specific working process of the above-described modules and units, reference can be made to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In summary, Embodiment 2 discloses a device for taking selfies based on a rear camera, which is applied to a mobile terminal equipped with a rear camera, and the front and back of the mobile terminal are respectively provided with a main display screen and a secondary display screen, when the rear camera is turned on for selfie mode, the secondary display screen is turned on for real-time preview of the camera image, which effectively solves the problem that it is difficult for users to judge their position in the viewfinder image and grasp the selfie effect when the rear camera is enabled for selfie. Not a good experience, effectively improving the operating experience of users using the high-pixel rear camera to take selfies.

It is worth noting that in the above-mentioned device or terminal embodiments, the modules and units included are only divided according to functional logic, but are not limited to the above-mentioned divisions, as long as the corresponding functions can be realized; in addition, each module The specific names of the units and units are only for the convenience of distinguishing each other, and are not used to limit the protection scope of the present invention.

In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the terminal embodiments described above are only illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be Incorporation may either be integrated into another system, or some features may be omitted, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of modules or units may be in electrical, mechanical or other forms.

In addition, each functional module or unit in each embodiment of the present invention may be integrated into one processing module or unit, each module or unit may exist separately physically, or two or more modules or units may be integrated into one processing module or unit. module or unit.

The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplifications should be equivalent replacement methods, and all are included in the protection scope of the present invention.

Claims (11)

1. carry out a method of autodyning based on post-positioned pick-up head, be applied to the mobile terminal being equipped with post-positioned pick-up head, the front and back of described mobile terminal is respectively arranged with main display and secondary display screen, and it is characterized in that, the method comprises the following steps:

Open post-positioned pick-up head and enter self-timer mode;

Light the secondary display screen being positioned at the described mobile terminal back side, carried out the live preview of photographed by described secondary display screen;

The tripper triggering described post-positioned pick-up head is taken pictures.

2. a kind of method of carrying out autodyning based on post-positioned pick-up head according to claim 1, is characterized in that,

The tripper triggering described post-positioned pick-up head by described mobile terminal entity side switch is taken pictures.

3. a kind of method of carrying out autodyning based on post-positioned pick-up head according to claim 1, is characterized in that,

The tripper controlling to trigger described post-positioned pick-up head by voice signal is taken pictures.

4. according to the arbitrary a kind of described method of carrying out autodyning based on post-positioned pick-up head of claims 1 to 3, it is characterized in that, describedly light the secondary display screen being positioned at the described mobile terminal back side, while carrying out the live preview of photographed by described secondary display screen, also comprise the following steps:

The main display of described mobile terminal is extinguished by pressing the described mobile terminal entity side switch of pressure.

5. a kind of method of carrying out autodyning based on post-positioned pick-up head according to claim 4, is characterized in that, described unlatching post-positioned pick-up head also before entering self-timer mode, also comprises the following steps;

Any one setting in described mobile phone entity side switch is with it the tripper of described post-positioned pick-up head, arrange simultaneously in described mobile phone entity side switch with it other any one extinguish for described main display or light button.

6. carry out a device of autodyning based on post-positioned pick-up head, be applied to the mobile terminal being equipped with post-positioned pick-up head, the front and back of described mobile terminal is respectively arranged with main display and secondary display screen, and it is characterized in that, this device comprises:

Opening module, for opening post-positioned pick-up head and entering self-timer mode;

Lighting module, for lighting the secondary display screen being positioned at the described mobile terminal back side, being carried out the live preview of photographed by described secondary display screen;

Photo module, takes pictures for the tripper triggering described post-positioned pick-up head.

7. a kind of device carrying out autodyning based on post-positioned pick-up head according to claim 6, it is characterized in that, described photo module comprises:

First trigger element, takes pictures for the tripper triggering described post-positioned pick-up head by described mobile terminal entity side switch.

8. a kind of device carrying out autodyning based on post-positioned pick-up head according to claim 6, it is characterized in that, described photo module also comprises:

Second trigger element, takes pictures for the tripper controlling to trigger described post-positioned pick-up head by voice signal.

9., according to the arbitrary described a kind of device carrying out autodyning based on post-positioned pick-up head of claim 6 to 8, it is characterized in that, described device also comprises:

Main screen control module, for extinguishing the main display of described mobile terminal by pressing the described mobile terminal entity side switch of pressure.

10. a kind of device carrying out autodyning based on post-positioned pick-up head according to claim 9, it is characterized in that, described device also comprises:

Side switch arranges module, for the tripper that any one setting in described mobile phone entity side switch is with it described post-positioned pick-up head, arrange simultaneously in described mobile phone entity side switch with it other any one extinguish for described main display or light button.

11. 1 kinds of mobile terminals, is characterized in that, described mobile terminal comprises the device described in any one of claim 6 to 10.