Electronic device and method for capturing an image according to an output of a display
An electronic device, including a memory; a display panel; an image sensor disposed at a lower end of the display panel; a processor operatively connected to the image sensor; and a display driver integrated circuit operatively connected to the display panel and the processor, and configured to sense that a first frame is output on the display panel and to transmit a first signal to the processor based on the first frame being output on the display panel, wherein the processor is configured to: generate the first frame having a designated pixel value based on a shoot command being received from a user, control the display panel to output the first frame, and control the image sensor to capture an image based on the first signal being received from the display driver integrated circuit, and store the captured image in the memory.
1. An electronic device comprising:
a display panel;
an image sensor disposed at a lower end of the display panel;
at least one processor;
a display driver integrated circuit operatively connected to the display panel and the at least one processor, and configured to sense that a first frame is output on the display panel and transmit a first signal to the at least one processor based on the first frame being output on the display panel, and
a memory storing instructions which, when executed by the at least one processor, cause the electronic device to:
control to generate the first frame having a designated pixel value based on a shoot command being received from a user,
control the display panel to output the first frame, and
control the image sensor to capture an image based on the first signal being received from the display driver integrated circuit, and
store the captured image in the memory.
2. The electronic device of claim 1 , wherein the first frame comprises a pixel group corresponding to a predetermined first region, and
wherein the predetermined first region corresponds to at least one of a partial region or an entire region of the display panel, which corresponds to a position of a camera.
3. The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
control the image sensor to output a preview image having a resolution lower than a predetermined resolution, and
control the image sensor to output, based on the first signal, the captured image having a resolution higher than the predetermined resolution.
4. The electronic device of claim 3 , further comprising an image signal processor operatively connected to the image sensor and configured to process the image output from the image sensor,
wherein the instructions, when executed by the at least one processor, cause the electronic device to:
determine whether an output image that is output by the image sensor is the preview image or is the captured image,
perform image quality-related restoration processing on the preview image, and
convert the captured image to a low resolution captured image.
5. The electronic device of claim 4 , wherein the instructions, when executed by the at least one processor, cause the electronic device to control the image signal processor to generate the first frame based on the shoot command being received from the user, and to transmit the low resolution captured image to the display driver integrated circuit.
6. The electronic device of claim 4 , wherein the instructions, when executed by the at least one processor, cause the electronic device to generate the first frame such that a predetermined first pattern is displayed, and
wherein the display driver integrated circuit is further configured to determine that a frame displayed on the display panel is the first frame based on the frame including the predetermined first pattern.
7. The electronic device of claim 4 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
adjust a brightness of the display panel in units of time to configure a first interval during which a brightness of a frame displayed on the display panel for a predetermined time is lower than a predetermined brightness, and
control the image sensor to output the captured image during the first interval, and
wherein the display driver integrated circuit is further configured to sense whether the first interval is entered, and to transmit the first signal to the at least one processor based on the first interval being entered.
8. The electronic device of claim 4 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
analyze a signal entering the image sensor to generate statistical information comprising at least one from among auto exposure (AE) information, auto focus (AF) information, or auto white balance (AWB) information, and
wherein the statistical information is generated based on a parameter obtained immediately after the image signal processor generates the first frame, or based on a parameter obtained immediately before the image signal processor generates the first frame.
9. The electronic device of claim 4 , wherein the instructions, when executed by the at least one processor, cause the electronic device to analyze, based on the first frame being displayed on the display panel, a signal entering the image sensor to generate statistical information comprising at least one from among auto exposure (AE) information, auto focus (AF) information, or auto white balance (AWB) information.
10. The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
acquire statistical information comprising at least one of an average of pixels in a predetermined region of interest (ROI), or a variance of the pixels in the predetermined ROI,
analyze the statistical information to determine whether a frame displayed on the display panel corresponds to the first frame, and
based on the frame corresponding to the first frame, transmit, to the at least one processor, information about whether the frame corresponds to the first frame.
11. A method for capturing an image by an electronic device, the method comprising:
generating a first frame having a designated pixel value based on a shoot command being received from a user;
outputting the first frame through a display panel, wherein the outputting comprises sensing that the first frame is displayed on the display panel
capturing an image by an image sensor based on the sensing that the first frame is displayed on the display panel; and
storing the captured image in a memory based on a still capture command instructing storage of the image.
12. The method of claim 11 , wherein the first frame comprises a pixel group corresponding to a predetermined first region, and
wherein the predetermined first region corresponds to at least one of a partial region or an entire region of the display panel, which corresponds to a position of a camera.
13. The method of claim 12 , further comprising:
outputting, by the image sensor, a preview image having a resolution lower than a predetermined resolution, and
outputting, by the image sensor, the captured image having a resolution higher than the predetermined resolution based on the sensing that the first frame is displayed on the display panel.
14. The method of claim 13 , wherein the electronic device comprises an image signal processor operatively connected to the image sensor and configured to process the image output from the image sensor,
wherein the first frame is generated by the image signal processor based on the shoot command being received from the user, and
wherein the method further comprises:
converting the captured image into a low resolution captured image by the image signal processor, and
transmitting, by the image signal processor, the low resolution captured image to a display driver integrated circuit.
15. The method of claim 14 , further comprising analyzing a signal entering the image sensor to generate statistical information comprising at least one from among auto exposure (AE) information, auto focus (AF) information, or auto white balance (AWB) information.
16. The method of claim 15 , further comprising:
based on the first frame being displayed on the display panel, analyzing the signal entering the image sensor to generate the statistical information based on a parameter obtained immediately after the image signal processor generates the first frame, or based on a parameter obtained immediately before the image signal processor generates the first frame.
17. The method of claim 11 , wherein the sensing that the first frame is displayed on the display panel comprises:
acquiring statistical information comprising at least one of an average of pixels in a predetermined region of interest (ROI), or a variance of the pixels in the predetermined ROI;
determining whether a frame displayed on the display panel corresponds to the first frame; and
based on the frame corresponding to the first frame, transmitting, to at least one processor included in the electronic device, information about whether the frame corresponds to the first frame.
18. The method of claim 11 , wherein the sensing that the first frame is displayed on the display panel comprises:
generating the first frame such that a predetermined first pattern is displayed; and
based on a frame displayed on the display panel including the predetermined first pattern, determining that the frame is the first frame.
19. The method of claim 11 , further comprising:
performing image quality-related restoration processing with respect to a preview image output by the image sensor and control the display panel to display the preview image, and
controlling the display panel to display the first frame instead of the preview image based on the shoot command being received from the user.