Title:
METHOD OF REMOVING NOISE IN IMAGE AND ELECTRICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/047671
Kind Code:
A1
Abstract:
A method of removing noise in an image according to the embodiments of the present disclosure includes calculating, for each pixel in the image, a defect weight indicating a correlation between pixel and its neighboring pixels; calculating, for a target pixel in the image, a matching weight indicating a similarity between a target block centered on the target pixel and a reference block centered on a reference pixel located within a search range from the target pixel, the matching weight being calculated by means of the defect weight; and calculating a filtered value of the target pixel based on a value of the reference pixel and the matching weight between the target block and the reference block centered on said reference pixel.
Inventors:
CHO HIROTAKE (JP)
Application Number:
PCT/CN2020/113038
Publication Date:
March 10, 2022
Filing Date:
September 02, 2020
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
G06T5/00
Domestic Patent References:
| WO2016183743A1 | 2016-11-24 | |||
| WO2015128302A1 | 2015-09-03 |
Foreign References:
| US9715720B1 | 2017-07-25 | |||
| US20190172182A1 | 2019-06-06 | |||
| US20120081553A1 | 2012-04-05 |
Other References:
ENMING LUO ; SHENGJUN PAN ; TRUONG NGUYEN: "Generalized non-local means for iterative denoising", SIGNAL PROCESSING CONFERENCE (EUSIPCO), 2012 PROCEEDINGS OF THE 20TH EUROPEAN, IEEE, 27 August 2012 (2012-08-27), pages 260 - 264, XP032254403, ISBN: 978-1-4673-1068-0
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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