US 11,889,083 B2
Image display method and device, image recognition method and device, storage medium, electronic apparatus, and image system
Wei Cao, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/417,565
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Sep. 29, 2020, PCT No. PCT/CN2020/118718
§ 371(c)(1), (2) Date Jun. 23, 2021,
PCT Pub. No. WO2021/068795, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 201910964779.1 (CN), filed on Oct. 11, 2019.
Prior Publication US 2022/0060713 A1, Feb. 24, 2022
Int. Cl. H04N 19/136 (2014.01); G06K 7/10 (2006.01); G06K 7/14 (2006.01); H04N 19/176 (2014.01)
CPC H04N 19/136 (2014.11) [G06K 7/10831 (2013.01); G06K 7/1447 (2013.01); H04N 19/176 (2014.11)] 24 Claims
OG exemplary drawing
 
1. An image display method, comprising:
obtaining an image to be displayed in an object to be played;
determining a code corresponding to the image to be displayed; and
controlling a display panel of a display device to display the image to be displayed, and synchronously controlling a backlight assembly of the display device to output a light signal corresponding to the code.
 
9. An image recognition method applied to a terminal, and the method comprises:
obtaining a light signal output by a backlight assembly of a display device displaying an image, wherein the light signal corresponds to a code of the image;
decoding the light signal to obtain the code; and
obtaining and playing extension information corresponding to the image based on the code.
 
14. An image display device, comprising:
a first obtaining circuit configured to obtain an image to be displayed in an object to be played;
a determination circuit configured to determine a code corresponding to the image to be displayed; and
a first control circuit configured to control a display panel of a display device to display the image to be displayed, and synchronously control a backlight assembly of the display device to output the light signal corresponding to the code.
 
20. An image recognition device, which is applied to a terminal, the image recognition device comprises:
a second obtaining circuit configured to obtain a light signal output by a backlight assembly of a display device displaying an image, wherein the light signal corresponds to a code of the image;
a decoding circuit configured to decode the light signal to obtain the code; and
a play circuit configured to obtain and play extension information corresponding to the image based on the code.