Picture processing method and device

Patent metadata

Field	Value
Publication number	US-11615509-B2
Application number	US-201816325930-A
Country	US
Kind code	B2
Filing date	Sep 11, 2018
Priority date	Dec 8, 2017
Publication date	Mar 28, 2023
Grant date	Mar 28, 2023

Abstract

The present disclosure provides a picture processing method and device, including: an integrated circuit chip IC receiving a to-be-processed picture sent by a graphics processor GPU; the IC pre-processing the to-be-processed picture; the IC performing counter-distortion process on the pre-processed picture; and the IC outputting the picture which is subjected to the counter-distortion process for display.

First claim

What is claimed is:

1. A picture processing method, comprises:
an integrated circuit chip IC receiving a to-be-processed picture sent by a graphics processor GPU;
the IC pre-processing the to-be-processed picture;
the IC performing counter-distortion process on the pre-processed picture; and
the IC outputting the picture which is subjected to the counter-distortion process for display, wherein the IC pre-processing the to-be-processed picture, comprising:
performing an enlargement process on a low-definition to-be-processed picture;
identifying a to-be-processed region of a high-definition to-be-processed picture according to its data address;
performing low-definition process on the to-be-processed region;
merging a high-definition to-be-processed picture which is subjected to low-definition process and a low-definition to-be-processed picture which is subjected to enlargement process.

2. The method according to claim 1 , wherein the IC receiving a to-be-processed picture sent by a graphics processor GPU, comprising:
the IC receiving the high-definition to-be-processed picture sent by the GPU and its data address, and storing the high-definition to-be-processed picture and its data address; and
the IC receiving the low-definition to-be-processed picture sent by the GPU.

3. The method according to claim 1 , wherein the high-definition to-be-processed picture which is subjected to low-definition process is elliptical or circular.

4. The method according to claim 1 , wherein performing low-definition process on the to-be-processed region comprises:
extracting one pixel from the sub-circuit region in the to-be-processed region;
duplicating the pixel within the sub-circuit region to replace the sub-circuit region.

5. The method according to claim 1 , wherein merging the high-definition to-be-processed picture which is subjected to low-definition process and the low-definition to-be-processed picture which is subjected to enlargement process comprising:
setting the high-definition to-be-processed picture which is subjected to low-definition process at the central position of the low-definition to-be-processed picture which is subjected to enlargement process for mergence; or
setting the high-definition to-be-processed picture which is subjected to low-definition process at the human eye tracking position of the low-definition to-be-processed picture which is subjected to enlargement process for mergence.

6. The method according to claim 1 , wherein the IC receiving the to-be-processed picture sent by the GPU comprising:
the IC receiving a to-be-processed picture sent by the GPU, the to-be-processed picture comprising a high-definition region and an edge low-definition region which is subjected to a compression process.

7. The method according to claim 1 , wherein the IC pre-processing the to-be-processed picture comprising:
performing an enlargement process on the edge low-definition region of the to-be-processed picture.

8. The method according to claim 1 , wherein after the IC performing counter-distortion process on the pre-processed picture, the method further comprises:
a vertical down sampling process is performed on the designated region corresponding to the edge low-definition region in the counter-distortion processed picture according to a preset index;
said IC outputting the picture which is subjected to the counter-distortion process comprising:
said IC outputting the vertical down sampling processed picture for display.

9. The method according to claim 8 , wherein the method further comprises:
when displaying the vertical down sampling processed picture output by the IC, controlling a GOA unit to turn on simultaneously a plurality of rows in the designated region according to the preset index.

10. A picture processing device, the device being disposed in an IC, the device comprising:
an image receiving circuit, configured to receive a to-be-processed picture sent by a graphics processor GPU; and
a pre-processing circuit, configured to pre-process the to-be-processed picture;
a counter-distortion circuit, configured to perform counter-distortion process on the pre-processed picture; and
an output circuit, configured to output a picture processed by the counter-distortion circuit for display,
wherein the pre-processing circuit comprises:
an enlargement sub-circuit, configured to perform an enlargement process on a low-definition to-be-processed picture;
an identifying sub-circuit, configured to identify a to-be-processed region of a high-definition to-be-processed picture according to its data address;
a low-definition processing sub-circuit, configured to perform low-definition process on the to-be-processed region;
a merging sub-circuit, configured to merge a high-definition to-be-processed picture which is subjected to low-definition process and a low-definition to-be-processed picture which is subjected to enlargement process.

11. The device of claim 10 , wherein the image receiving circuit is configured to receive the high-definition to-be-processed picture sent by the GPU and its data address, and storing the high-definition to-be-processed picture and its data address; and
receive the low-definition to-be-processed picture sent by the GPU.

12. The device according to claim 10 , wherein the high-definition to-be-processed picture which is subjected to low-definition process is elliptical or circular.

13. The device according to claim 12 , wherein the low-definition processing sub-circuit is configured to extract one pixel from the sub-circuit region in the to-be-processed region, and duplicate the pixel within the sub-circuit region to replace the sub-circuit region.

14. The device according to claim 12 , wherein the merging sub-circuit is configured to set the high-definition to-be-processed picture which is subjected to low-definition process at the central position of the low-definition to-be-processed picture which is subjected to enlargement process for mergence; or, set the high-definition to-be-processed picture which is subjected to low-definition process at the human eye tracking position of the low-definition to-be-processed picture which is subjected to enlargement process for mergence.

15. The method according to claim 2 , wherein the IC pre-processing the to-be-processed picture, comprising:
performing an enlargement process on the low-definition to-be-processed picture;
identifying a to-be-processed region of the high-definition to-be-processed picture according to the data address;
performing low-definition process on the to-be-processed region;
merging the high-definition to-be-processed picture which is subjected to low-definition process and the low-definition to-be-processed picture which is subjected to enlargement process.

16. The method according to claim 2 , wherein the IC pre-processing the to-be-processed picture comprising:
performing an enlargement process on the edge low-definition region of the to-be-processed picture.

17. The method according to claim 2 , wherein after the IC performing counter-distortion process on the pre-processed picture, the method further comprises:
a vertical down sampling process is performed on the designated region corresponding to the edge low-definition region in the counter-distortion processed picture according to a preset index;
said IC outputting the picture which is subjected to the counter-distortion process comprising:
said IC outputting the vertical down sampling processed picture for display.

18. The device according to

Assignees

• Beijing Boe Optoelectronics Tech Co Ltd
• Boe Technology Group Co Ltd

Inventors

• Gao Bo
• Li Yue
• Shi Tiankuo
• Li Yafei
• Sun Wei
• Ji Zhihua
• Liu Jinxing
• Xue Zijiao
• Chen Xiangyi

Classifications

• G06T2207/20221

  Image fusion; Image merging · CPC title

• G06T5/50

  using two or more images, e.g. averaging or subtraction · CPC title

• G06T1/20

  Processor architectures; Processor configuration, e.g. pipelining · CPC title

• G06T3/4076 Primary

  using the original low-resolution images to iteratively correct the high-resolution images · CPC title

• G06T5/006

  Physics · mapped topic