Title:
IMAGE RESOLUTION REDUCTION AND RESTORATION METHOD, DEVICE, AND READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/258529
Kind Code:
A1
Abstract:
Disclosed by the present application are an image resolution reduction and restoration method and device, and a readable storage medium, the image resolution reduction and restoration method comprising: obtaining an image to be processed, determining image gradient information corresponding to the image to be processed, then inputting the image to be processed into a preset image resolution reduction model, reducing the resolution of the image to be processed to obtain an initial low-resolution image, then storing the image gradient information into the initial low-resolution image to obtain a target low-resolution image, and inputting the target low-resolution image into a preset image restoration model, and performing high-resolution restoration on the target low-resolution image on the basis of the image gradient information to obtain a target restoration image. The present application solves the technical problem of low restoration accuracy after the image resolution is reduced.
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Inventors:
WANG RONGGANG (CN)
WANG ZHENYU (CN)
HAN BINGJIE (CN)
LI XUFENG (CN)
GAO WEN (CN)
WANG ZHENYU (CN)
HAN BINGJIE (CN)
LI XUFENG (CN)
GAO WEN (CN)
Application Number:
PCT/CN2020/111771
Publication Date:
December 30, 2021
Filing Date:
August 27, 2020
Export Citation:
Assignee:
UNIV PEKING SHENZHEN GRADUATE SCHOOL (CN)
International Classes:
G06T3/40
Foreign References:
| CN110660021A | 2020-01-07 | |||
| CN108133456A | 2018-06-08 | |||
| CN108765343A | 2018-11-06 | |||
| CN110956671A | 2020-04-03 | |||
| CN110674862A | 2020-01-10 | |||
| CN106204489A | 2016-12-07 | |||
| CN106600553A | 2017-04-26 | |||
| US20190304063A1 | 2019-10-03 |
Attorney, Agent or Firm:
SHENZHEN CENFO INNOVATIVE INTELLECTUAL PROPERTY CO., LTD. (CN)
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