Title:
REFERENCE PICTURE RESAMPLING (RPR) BASED SUPER-RESOLUTION WITH WAVELET DECOMPOSITION
Document Type and Number:
WIPO Patent Application WO/2024/077570
Kind Code:
A1
Abstract:
Methods and systems for video processing are provided. In some embodiments, the method includes (i) receiving an input image via an initial feature extraction portion, wherein the initial feature portion includes a result of RPR up-sampling, a low resolution (LR) reconstructed frame, and an LR predicted frame; (ii) processing the input image by a first convolution layer; and (iii) processing the input image by a multi-level semantic information mapping portion to generate a combined image, wherein the multi-level semantic information mapping portion includes one or more residual spatial and channel attention blocks (RSCBs). Each of the RSCBs includes two or more residual spatial blocks (RSBs) and a channel attention (CA) block. Each of the RSBs includes a spatial attention (SA) block.
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Inventors:
JUNG CHEOLKON (CN)
LAN HUI (CN)
LAN HUI (CN)
Application Number:
PCT/CN2022/125209
Publication Date:
April 18, 2024
Filing Date:
October 13, 2022
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
G06T3/40; H04L27/00
Domestic Patent References:
| WO2021262053A1 | 2021-12-30 | |||
| WO2022191064A1 | 2022-09-15 |
Foreign References:
| US20220148131A1 | 2022-05-12 | |||
| US20220321919A1 | 2022-10-06 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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