CN102866802A - Mobile terminal, image collecting method and system thereof - Google Patents

Abstract

The invention belongs to the technical field of image acquisition of mobile terminals, and provides a mobile terminal and an image acquisition method and system thereof. The method is to receive the trigger signal input by the user at any point on the touch screen under the preview interface of taking pictures or video, and control the display to display and/or save the current image frame collected by the memory according to the trigger signal, or control the memory to save the corresponding time period The captured image frames. Since the whole area of the touch screen is used as the trigger area, when any point receives the trigger signal, the photo or video function can be completed. Compared with the existing mobile terminal image collection method, it has a larger trigger area. When the touch screen and the image sensor are respectively arranged on the front and back of the mobile terminal, the user can easily trigger the photo or video, which facilitates the user's selfie. Improved user experience.

Description

A mobile terminal and its image acquisition method and system

technical field

The invention belongs to the technical field of image acquisition of mobile terminals, and in particular relates to a mobile terminal and an image acquisition method and system thereof.

Background technique

With the popularization of mobile terminals such as mobile phones and palmtop computers and the advancement of technology, image acquisition functions are generally integrated in current mobile terminals to realize the function of taking photos/videos.

Generally, a mobile terminal with a touch screen, especially a smart phone, is not equipped with a dedicated shutter physical button, but a virtual shutter touch area is set on the touch screen. The image acquisition method of the mobile terminal provided by the prior art is to complete the photographing or video recording function after the user clicks on the touch area of the virtual shutter, and use an image sensor to acquire on-site image frames, and then perform analog/digital conversion processing on the acquired image frames Afterwards, the converted image digital signal is compressed, converted into a specific image format, and then displayed/stored.

However, due to the small touch area, if the image sensor and the touch screen are respectively arranged on the front and back of the mobile terminal, it will be very difficult for the user to trigger the touch area when taking a selfie; , the user also has the disadvantage of triggering difficulties when shooting other objects other than the user, and the user often fails to click for many times or performs a wrong operation, which is not convenient for the user to operate.

Contents of the invention

The purpose of the embodiments of the present invention is to provide an image collection method for a mobile terminal, which aims to solve the problem in the prior art that the user clicks the virtual shutter touch area on the touch screen to complete the photo or camera function, due to the small virtual shutter touch area , a problem that is not convenient for users to operate.

The embodiment of the present invention is achieved in this way, an image acquisition method of a mobile terminal, the method includes the following steps:

Receive a camera selection signal or camera selection signal input by the user, and control the display of the mobile terminal to display in real time the image frames collected by the image sensor of the mobile terminal according to the camera selection signal or camera selection signal;

Receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, and control the display to display and/or store the current image frame collected by the image sensor in the memory of the mobile terminal according to the trigger signal, or control The memory stores image frames collected by the image sensor within a corresponding time period.

Another object of the embodiments of the present invention is to provide an image acquisition system for a mobile terminal, the system comprising:

The first control module is configured to receive a camera selection signal or camera selection signal input by the user, and control the display of the mobile terminal to display in real time the image frames collected by the image sensor of the mobile terminal according to the camera selection signal or camera selection signal;

The second control module is configured to receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, and control the display to display and/or store the image sensor captured by the image sensor according to the trigger signal. the current image frame, or control the memory to save the image frames collected by the image sensor within a corresponding time period.

Another object of the embodiments of the present invention is to provide a mobile terminal, which includes a display, an image sensor, a touch screen, and a memory, and the mobile terminal further includes the above-mentioned image acquisition system for the mobile terminal.

The image acquisition method and system of the mobile terminal provided by the embodiments of the present invention use all areas of the touch screen as the trigger area, and when any point receives the trigger signal, it can complete the photo or video function. Compared with the existing mobile terminal image collection method, it has a larger trigger area. When the touch screen and the image sensor are respectively arranged on the front and back of the mobile terminal, the user can easily trigger the photo or video, which facilitates the user's selfie. Improved user experience.

Description of drawings

FIG. 1 is a flowchart of an image acquisition method for a mobile terminal provided by an embodiment of the present invention;

2 is a structural diagram of an image acquisition system for a mobile terminal provided by an embodiment of the present invention;

Fig. 3 is a structural diagram of the first control module in Fig. 2;

Fig. 4 is a structural diagram of the second control module in Fig. 2 .

Detailed ways

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

Aiming at the problems existing in the prior art, the image acquisition method of the mobile terminal provided by the embodiment of the present invention is to use the entire area of the touch screen as the trigger area, and when any point receives the trigger signal, it can complete the photo or video function. The mobile terminal in the embodiment of the present invention may be a mobile phone, a tablet computer, a wireless netbook, and the like.

FIG. 1 shows the flow of an image acquisition method for a mobile terminal provided by an embodiment of the present invention.

In step S11, the camera selection signal or camera selection signal input by the user is received, and the image preview interface is entered according to the camera selection signal or camera selection signal. to the image frame.

Wherein, the photographing selection signal or the photographing selection signal may be a signal input by the user through the physical keyboard of the mobile terminal, or a signal input by the user through the touch screen of the mobile terminal.

Specifically, step S11 may further include the following steps:

Step S111: receiving a camera selection signal or camera selection signal input by the user, and driving the image sensor to collect image frames in real time according to the camera selection signal or camera selection signal;

Step S112: After analog/digital conversion is performed on the image frame collected by the image sensor, a digital signal of the image frame is obtained;

Step S113: compressing the image frame digital signal, and converting it into an image frame in a specific image format, the image format may not be limited to JPEG format, TIFF format, RAW format, etc.;

Step S114: controlling the display of the mobile terminal to display the image frame converted into a specific image format.

In step S12, a trigger signal input by the user at any point on the touch screen of the mobile terminal is received, and according to the trigger signal, the display is controlled to display and/or the memory of the mobile terminal saves the current image frame collected by the image sensor, or the memory is controlled to save the image sensor The image frames collected during the corresponding time period.

Wherein, the trigger signal can be an instantaneous trigger signal or a long-term trigger signal. If the trigger signal is an instantaneous trigger signal, after the user inputs the instantaneous trigger signal at any point on the touch screen, the current image captured by the image sensor will be displayed and/or saved directly. Frame, or the step of saving the image frame collected by the image sensor within the corresponding time period; if the trigger signal is a long-term trigger signal, then the user inputs a long-time trigger signal with a preset trigger duration at any point on the touch screen, and then executes the display and/or Or the step of saving the current image frame collected by the image sensor, or the step of saving the image frame collected by the image sensor within a corresponding time period, the preset trigger duration is preferably 3 seconds.

When the user inputs a camera selection signal, step S12 may further include the following steps:

Step S121: receiving a trigger signal input by the user at any point on the touch screen of the mobile terminal, and extracting the current image frame collected by the image sensor according to the trigger signal;

Step S122: After analog/digital conversion is performed on the extracted current image frame, a digital signal of the current image frame is obtained;

Step S123: compressing the digital signal of the current image frame, and converting it into a current image frame of a specific image format;

Step S124: According to the instruction input by the user, control the display to display the current image frame converted into a specific image format, and/or control the memory of the mobile terminal to store the current image frame converted into a specific image format. The memory therein may be an internal memory of the mobile terminal, or a memory card inserted into the mobile terminal.

When the camera selection signal input by the user is received, step S12 may further include the following steps:

Step S125: Receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, start timing the display time of the display according to the trigger signal, and control the memory to store the image frames displayed by the display in real time within the timing;

Step S126: Stop timing the display time of the display according to the trigger signal input by the user at any point on the touch screen of the mobile terminal within the timing time;

Step S127: Stop counting the display time, and according to the instruction input by the user, control the display to display the image frames within the timed time stored in the memory, and/or delete the image frames within the timed time stored in the memory.

The image acquisition method of the mobile terminal provided by the embodiment of the present invention is to use all areas of the touch screen as the trigger area, and when any point receives the trigger signal, it can complete the function of photographing or video recording. Compared with the existing mobile terminal image collection method, it has a larger trigger area. When the touch screen and the image sensor are respectively arranged on the front and back of the mobile terminal, the user can easily trigger the photo or video, which facilitates the user's selfie. Improved user experience.

The embodiment of the present invention also provides an image acquisition system for a mobile terminal. Figure 2 shows the structure of the image acquisition system for a mobile terminal provided by the embodiment of the present invention. relevant part.

The image acquisition system of the mobile terminal provided by the embodiment of the present invention includes: a first control module 11, which is used to receive the camera selection signal or camera selection signal input by the user, and enter the image preview interface according to the camera selection signal or camera selection signal, in the image Under the preview interface, control the display of the mobile terminal to display in real time the image frames collected by the image sensor of the mobile terminal; the second control module 12 is used to receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, and control the display according to the trigger signal The display and/or the memory of the mobile terminal save the current image frame collected by the image sensor, or control the memory to save the image frame collected by the image sensor within a corresponding time period. Wherein, the description of the trigger signal is as above, and will not be repeated here.

FIG. 3 shows the structure of the first control module 11 in FIG. 2 .

Specifically, the first control module 11 may include: a driving module 111, configured to receive a camera selection signal or camera selection signal input by the user, and drive the image sensor to collect image frames in real time according to the camera selection signal or camera selection signal; The digital conversion module 112 is used to perform analog/digital conversion on the image frame collected by the image sensor to obtain the image frame digital signal; the first image processing module 113 is used to compress the image frame digital signal and convert it into a specific An image frame in an image format; a display control module 114, configured to control the display to display the image frame converted into a specific image format.

FIG. 4 shows the structure of the second control module 12 in FIG. 2 .

If the driving module 111 receives the camera selection signal input by the user, the second control module 12 may include: an extraction module 121, configured to receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, and extract the image sensor acquisition signal according to the trigger signal. The current image frame that arrives; The second analog/digital conversion module 122, after carrying out analog/digital conversion to the current image frame extracted by the extraction module 121, obtains the digital signal of the current image frame; The second image processing module 123 is used for Perform compression processing on the digital signal of the current image frame obtained by the second analog/digital conversion module 122, and convert it into a current image frame in a specific image format; the first display/storage control module 124 is used to control the display according to the instruction input by the user Displaying the current image frame converted into a specific image format, and/or controlling the memory of the mobile terminal to save the current image frame converted into a specific image format.

If the drive module 111 receives the camera selection signal input by the user, the second control module 12 may include: a timing module 125, configured to receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, and set the display time of the display according to the trigger signal. Start timing, and control the memory to store the image frames displayed by the display in real time during the timing time, and then stop timing the display time of the display according to the trigger signal input by the user at any point on the touch screen of the mobile terminal within the timing time; The display/storage control module 126 is used to control the display to display the image frames within the timed time stored in the memory and/or delete the image frames within the timed time stored in the memory according to the instruction input by the user after the timed module 125 stops timing the display time. image frame.

An embodiment of the present invention also provides a mobile terminal, including a display, an image sensor, a touch screen, a memory, and an image acquisition system for the mobile terminal as described above. The touch screen is preferably placed on the upper layer of the display, and the image sensor and the touch screen are preferably respectively arranged on the front and back of the mobile terminal.

The image acquisition method and system of the mobile terminal provided by the embodiments of the present invention use all areas of the touch screen as the trigger area, and when any point receives the trigger signal, it can complete the photo or video function. Compared with the existing mobile terminal image collection method, it has a larger trigger area. When the touch screen and the image sensor are respectively arranged on the front and back of the mobile terminal, the user can easily trigger the photo or video, which facilitates the user's selfie. Improved user experience.

Those of ordinary skill in the art can understand that all or part of the steps in the methods of the above embodiments can be implemented by controlling related hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage Media such as ROM/RAM, magnetic disk, optical disk, etc.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. An image acquisition method of a mobile terminal, characterized in that the method comprises the following steps: Receive a camera selection signal or camera selection signal input by the user, and control the display of the mobile terminal to display in real time the image frames collected by the image sensor of the mobile terminal according to the camera selection signal or camera selection signal; Receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, and control the display to display and/or store the current image frame collected by the image sensor in the memory of the mobile terminal according to the trigger signal, or control The memory stores image frames collected by the image sensor within a corresponding time period. 2. The image acquisition method of the mobile terminal as claimed in claim 1, wherein the photographing selection signal or the photographing selection signal input by the user is received, and the display of the mobile terminal is controlled according to the photographing selection signal or the photographing selection signal The step of displaying the image frame collected by the image sensor of the mobile terminal in real time further includes the following steps: receiving the camera selection signal or camera selection signal input by the user, and driving the image sensor to collect image frames in real time according to the camera selection signal or camera selection signal; After performing analog/digital conversion on the image frame collected by the image sensor, a digital signal of the image frame is obtained; Compressing the digital signal of the image frame and converting it into an image frame of a specific image format; controlling the display to display the image frame converted into a specific image format. 3. The image acquisition method of the mobile terminal as claimed in claim 1, wherein if the photographing selection signal input by the user is received, the trigger signal input by the user at any point on the touch screen of the mobile terminal is received. , and according to the trigger signal, control the display to display and/or store the current image frame captured by the image sensor in the memory of the mobile terminal, or control the memory to store the image captured by the image sensor within a corresponding time period The step of the image frame further comprises the following steps: receiving a trigger signal input by the user at any point on the touch screen, and extracting the current image frame collected by the image sensor according to the trigger signal; After analog/digital conversion is performed on the extracted current image frame, a digital signal of the current image frame is obtained; Compressing the digital signal of the current image frame and converting it into a current image frame in a specific image format; According to an instruction input by the user, the display is controlled to display the current image frame converted into a specific image format, and/or the memory is controlled to store the current image frame converted into a specific image format. 4. The image acquisition method of the mobile terminal according to claim 1, wherein if the camera selection signal input by the user is received, the trigger signal input by the user at any point on the touch screen of the mobile terminal is received. , and according to the trigger signal, control the display to display and/or store the current image frame captured by the image sensor in the memory of the mobile terminal, or control the memory to store the image captured by the image sensor within a corresponding time period The step of the image frame further comprises the following steps: Receive a trigger signal input by the user at any point on the touch screen, start timing the display time of the display according to the trigger signal, and control the memory to store the image frames displayed by the display in real time within the timing time; Stop timing the display time of the display according to a trigger signal input by the user at any point on the touch screen within the timing time; After stopping the timing of the display time, according to an instruction input by the user, control the display to display the image frame within the timing time stored in the memory, and/or delete the image frame within the timing time stored in the memory of the image frame. 5. The image acquisition method of a mobile terminal according to any one of claims 1 to 4, wherein the trigger signal is an instantaneous trigger signal or a long-term trigger signal; the preset trigger duration of the long-term trigger signal It is 3 seconds. 6. An image acquisition system for a mobile terminal, characterized in that the system comprises: The first control module is configured to receive a camera selection signal or camera selection signal input by the user, and control the display of the mobile terminal to display in real time the image frames collected by the image sensor of the mobile terminal according to the camera selection signal or camera selection signal; The second control module is configured to receive a trigger signal input by the user at any point on the touch screen of the mobile terminal, and control the display to display and/or store the image sensor captured by the image sensor according to the trigger signal. the current image frame, or control the memory to save the image frames collected by the image sensor within a corresponding time period. 7. The image acquisition system of mobile terminal as claimed in claim 6, is characterized in that, described first control module comprises: A driving module, configured to receive the camera selection signal or camera selection signal input by the user, and drive the image sensor to collect image frames in real time according to the camera selection signal or camera selection signal; The first analog/digital conversion module is configured to perform analog/digital conversion on the image frame collected by the image sensor to obtain a digital signal of the image frame; The first image processing module is used to compress the digital signal of the image frame and convert it into an image frame of a specific image format; The display control module is used to control the display to display the image frame converted into a specific image format. 8. The image acquisition system of the mobile terminal as claimed in claim 6, wherein the drive module receives the photographing selection signal input by the user, and the second control module includes: An extraction module, configured to receive a trigger signal input by the user at any point on the touch screen, and extract the current image frame collected by the image sensor according to the trigger signal; The second analog/digital conversion module is configured to perform analog/digital conversion on the current image frame extracted by the extraction module to obtain a digital signal of the current image frame; The second image processing module is configured to perform compression processing on the digital signal of the current image frame obtained by the second analog/digital conversion module, and convert it into a current image frame in a specific image format; The first display/storage control module is configured to control the display to display the current image frame converted into a specific image format according to an instruction input by the user, and/or control the memory to save all the converted image frames into a specific image format Describe the current image frame. 9. The image acquisition system of the mobile terminal as claimed in claim 6, wherein the drive module receives the camera selection signal input by the user, and the second control module includes: The timing module is used to receive a trigger signal input by the user at any point on the touch screen, and start timing the display time of the display according to the trigger signal, and control the memory to display the image displayed by the display in real time within the timing time The frame is stored, and then within the timing time, according to the trigger signal input by the user at any point on the touch screen, the timing of the display time of the display is stopped; A first display/storage control module, configured to control the display to display image frames within the timed time stored in the memory according to an instruction input by the user after the timing module stops timing the display time, and /or delete the image frames stored in the memory within the timing time. 10. A mobile terminal, comprising a display, an image sensor, a touch screen, and a memory, characterized in that the mobile terminal further comprises the image acquisition system of the mobile terminal according to any one of claims 6 to 9.

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