Granted Patent B2

US 12,658,111 · App. 18/856,307 · Granted Jun 16, 2026

Inventors: Toshihiro Shiraishi (Tokyo, JP); Hiroshi Kotera (Tokyo, JP); Takayuki Hotta (Tokyo, JP); Yukinori Hamada (Tokyo, JP)

Assignee: SONY GROUP CORPORATION

G09G3/32G09G2300/026G09G2320/0233G09G2320/0626

Abstract

Claims (79)

1 . An information processing system, comprising:

a processor configured to:

calculate luminance data of a first color in an area of a marker in a specific position in a light emitting diode (LED) display device, wherein

the LED display device is configured based on an arrangement of a plurality of LED modules in a shape of tiles, and

the arrangement of the plurality of LED modules in the shape of tiles is based on a first image obtained by an imaging operation of the LED display device;

compare the luminance data of the first color with reference luminance data of the first color;

calculate, based on the comparison, a uniformity correction value to adjust luminance, wherein the luminance is adjusted to display a second image having uniformity in the LED display device; and

at least one of

execute a camera positioning process to accurately install a camera that images the LED display device at a position in front of the LED display device and at a center of a target range for which the uniformity correction value is calculated, or

execute an arithmetic operation of subtraction of a third image, obtained by the imaging operation of the LED display device in a state in which a black image is displayed on an entire surface or in a state in which the entire surface is turned off, from a fourth image obtained by the imaging operation of the LED display device in a state in which a fifth image of a second color, different from black color, is displayed in a processing target range;

acquire, based on the execution of the arithmetic operation, a specific image in which only the fifth image of the second color of the LED display device remains; and

limit an area corresponding to the fifth image of the second color on the specific image as the processing target range.

2 . The information processing system according to claim 1 , wherein the processor is further configured to:

control, based on execution of the uniformity correction value in a plurality of units of each of the plurality of LED modules of a specific array, display of the marker in a specific position corresponding to each unit of the plurality of units;

detect the marker on the first image obtained by the imaging operation of the LED display device; and

notify the detection of the marker.

3 . The information processing system according to claim 2 , wherein

the processor is further configured to control display of a marker in a center position of each of the LED modules in a case of a mode of the execution of the uniformity correction value in the plurality of units of each of the LED modules.

4 . The information processing system according to claim 2 , wherein

in a case of execution of the uniformity correction value in units of 2×4 array LED modules, the processor is further configured to control display of a plurality of markers at four sites that are centers of an upper side, a lower side, a right side, and a left side of the 2×4 array, and

the plurality of markers includes the marker.

5 . The information processing system according to claim 2 , wherein

in a case of execution of the uniformity correction value in units of 2×2 array LED modules, the processor is further configured to control display of a plurality of markers at four sites that are centers of an upper side, a lower side, a right side, and a left side of the 2×2 array, and

the plurality of markers includes the marker.

6 . The information processing system according to claim 1 , wherein the processor is further configured to:

control the LED display device to display a single color image of the first color;

acquire a sixth image obtained by the imaging operation of the LED display device; and

supply the sixth image for luminance data calculation.

7 . The information processing system according to claim 6 , wherein

the processor is further configured to:

acquire a plurality of single color images corresponding to respective light emission colors of a plurality of LED elements included in an LED pixel of the LED display device; and

supply the plurality of single color images for luminance data calculation.

8 . The information processing system according to claim 6 , wherein the processor is further configured to:

acquire a seventh image of the LED display device on which a single color image of red, a single color image of green, and a single color image of blue are displayed;

calculate the luminance data of red in the area of the marker, the luminance data of green in the area of the marker, and the luminance data of blue in the area of the marker; and

calculate the uniformity correction value based on the luminance data of red, the uniformity correction value based on the luminance data of green, and the uniformity correction value based on the luminance data of blue.

9 . The information processing system according to claim 8 , wherein the processor is further configured to:

correct shading of a lens, used for the imaging operation of the LED display device, based on a lens calibration table; and

correct a viewing angle characteristic of an LED pixel of the LED display device based on an LED calibration table.

10 . The information processing system according to claim 9 , wherein the processor is further configured to:

measure the luminance data based on the seventh image, wherein the seventh image is obtained by the imaging operation of the LED display device after application of the uniformity correction value of the LED display device; and

control, based on a measurement result, display of a uniformity adjustment processing screen that presents whether there is an LED module of the plurality of LED modules that does not have uniformity.

11 . The information processing system according to claim 10 , wherein

the processor is further configured to control a guide display indicating the LED module not having uniformity on the uniformity adjustment processing screen.

12 . The information processing system according to claim 10 , wherein the processor is further configured to:

determine, based on a measurement result of the luminance data, whether it is necessary to readjust the luminance to display the seventh image having uniformity in an entire LED display device.

13 . The information processing system according to claim 1 , wherein the processor is further configured to:

write and set the uniformity correction value in a storage unit of the LED display device.

14 . The information processing system according to claim 1 , wherein

the processor is further configured to:

accept designation of the target range; and

execute the camera positioning process based on the designated target range.

15 . The information processing system according to claim 1 , wherein the processor is further configured to:

detect, based on an image obtained by the imaging operation of the LED display device in a state in which positioning markers are displayed at four corners of the target range, four areas corresponding to the positioning markers on the image obtained by the imaging operation of the LED display device in the state in which positioning markers are displayed at four corners of the target range; and

calculate an adjustment amount for adjustment of an angle and a position of the camera to match with reference position coordinate data of four target markers acquired in advance.

16 . The information processing system according to claim 15 , wherein

the processor is further configured to control display of a camera positioning processing screen with a display area for display of the adjustment amount for adjustment of an angle and a position of the camera.

17 . An adjusting method of an information processing system, the method comprising:

calculating luminance data of a first color in an area of a marker in a specific position in a light emitting diode (LED) display device, wherein

the LED display device is configured based on an arrangement of a plurality of LED modules in a shape of tiles, and

the arrangement of the plurality of LED modules in the shape of tiles is based on a first image obtained by imaging operation of the LED display device;

comparing the luminance data of the first color with reference luminance data of the first color;

calculating, based on the comparison, a uniformity correction value to adjust luminance, wherein the luminance is adjusted for displaying a second image having uniformity in the LED display device; and

at least one of

executing a camera positioning process to accurately install a camera that images the LED display device at a position in front of the LED display device and at a center of a target range for which the uniformity correction value is calculated, or

executing an arithmetic operation of subtraction of a third image, obtained by the imaging operation of the LED display device in a state in which a black image is displayed on an entire surface or in a state in which the entire surface is turned off, from a fourth image obtained by the imaging operation of the LED display device in a state in which a fifth image of a second color, different from black color, is displayed in a processing target range;

acquiring, based on the execution of the arithmetic operation, a specific image in which only the fifth image of the second color of the LED display device remains; and

limiting an area corresponding to the fifth image of the second color on the specific image as the processing target range.

18 . A non-transitory computer-readable medium having stored thereon, computer executable instructions which, when executed by a computer, cause the computer to execute operations, the operations comprising:

calculating luminance data of a first color in an area of a marker in a specific position in a light emitting diode (LED) display device, wherein

the LED display device is configured based on an arrangement of a plurality of LED modules in a shape of tiles, and

the arrangement of the plurality of LED modules in the shape of tiles is based on a first image obtained by imaging operation of the LED display device;

comparing the luminance data of the first color with reference luminance data of the first color;

calculating, based on the comparison, a uniformity correction value to adjust luminance, wherein the luminance is adjusted for displaying a second image having uniformity in the LED display device; and

at least one of

executing a camera positioning process to accurately install a camera that images the LED display device in a position in front of the LED display device and at a center of a target range for which the uniformity correction value is calculated, or

executing an arithmetic operation of subtraction of a third image, obtained by the imaging operation of the LED display device in a state in which a black image is displayed on an entire surface or in a state in which the entire surface is turned off, from a fourth image obtained by the imaging operation of the LED display device in a state in which a fifth image of a second color, different from black color, is displayed in a processing target range;

acquiring, based on the execution of the arithmetic operation, a specific image in which only the fifth image of the second color of the LED display device remains; and

limiting an area corresponding to the fifth image of the second color on the specific image as the processing target range.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (13)