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US 12,712,996 B2Granted
Display device, image processing method and electronic device
AssigneesBeijing BOE Technology Development Co., Ltd., Boe Technology Group Co., Ltd.
InventorsFeitao Hu, Yapeng Li, Yuanyuan Ma, Yangbing Li, Lei Wang, Chengming Tan
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Abstract
The present disclosure relates to a display device, including an LCD screen, wherein the LCD screen includes a backlight source provided with a plurality of zones; each zone is provided with visible light sources; and at least one zone is provided with infrared light sources; wherein the infrared light sources are configured to emit infrared light having different bands, and the infrared light of the different bands, after irradiating an object, is collected by a multispectral infrared camera and used for three-dimensional reconstruction of the object based on a photometric stereo method.
Claims14
A display device, comprising an LCD screen, wherein
- the LCD screen comprises a backlight source provided with a plurality of zones;
- each zone is provided with visible light sources;
- and
- at least one zone is provided with infrared light sources;
- wherein the infrared light sources are configured to emit infrared light having different bands, and the infrared light of the different bands, after irradiating an object, is collected by a multispectral infrared camera and used for three-dimensional reconstruction of the object based on a photometric stereo method;
- and
- wherein the plurality of zones comprises a first zone, a second zone, and a third zone, the first zone comprises a plurality of first infrared light sources configured to emit infrared light having a first band, the second zone comprises a plurality of second infrared light sources configured to emit infrared light having a second band, and the third zone comprises a plurality of third infrared light sources configured to emit infrared light having a third band, wherein the first band, the second band, and the third band are different from each other.
4 more elements
An image processing method, comprising:
- identifying a viewpoint area on a LCD screen of a user, wherein a backlight source of the LCD screen is provided with infrared light sources in at least one zone;
- calling a combination of cameras corresponding to the viewpoint area to perform image acquisition, wherein the combination of cameras comprises at least one of a color camera or a multispectral infrared camera, and the acquired image comprises at least one frame of color image acquired by each camera;
- and
- calling a respective method according to a number of directions of the infrared light sources to reconstruct a normal vector, for performing a three-dimensional reconstruction of an object based on the normal vector;
- wherein the infrared light sources are configured to emit infrared light having different bands, and the infrared light of the different bands, after irradiating the object, is collected by the multispectral infrared camera and used for three-dimensional reconstruction of the object based on a photometric stereo method;
- and
- wherein the at least one zone comprises a first zone, a second zone, and a third zone, the first zone comprises a plurality of first infrared light sources configured to emit infrared light having a first band, the second zone comprises a plurality of second infrared light sources configured to emit infrared light having a second band, and the third zone comprises a plurality of third infrared light sources configured to emit infrared light having a third band, wherein the first band, the second band, and the third band are different from each other.
4 more elements
An electronic device, comprising:
- a processor;
- and
- a memory, having executable instructions for the processor stored thereon,
- wherein the processor is configured to perform an image processing method when executing the executable instructions, and
- wherein the image processing method comprises:
- identifying a viewpoint area on a LCD screen of a user, wherein a backlight source of the LCD screen is provided with infrared light sources in at least one zone;
- calling a combination of cameras corresponding to the viewpoint area to perform image acquisition, wherein the combination of cameras comprises at least one of a color camera or a multispectral infrared camera, and the acquired image comprises at least one frame of color image acquired by each camera;
- and
- calling a respective method according to a number of directions of the infrared light sources to reconstruct a normal vector, for performing a three-dimensional reconstruction of an object based on the normal vector;
- wherein the infrared light sources are configured to emit infrared light having different bands, and the infrared light of the different bands, after irradiating the object, is collected by the multispectral infrared camera and used for three-dimensional reconstruction of the object based on a photometric stereo method;
- and
- wherein the at least one zone comprises a first zone, a second zone, and a third zone, the first zone comprises a plurality of first infrared light sources configured to emit infrared light having a first band, the second zone comprises a plurality of second infrared light sources configured to emit infrared light having a second band, and the third zone comprises a plurality of third infrared light sources configured to emit infrared light having a third band, wherein the first band, the second band, and the third band are different from each other.
9 more elements
Dependencies are inferred from the claim text.