Title:
PREDICTIVE QUANTIZATION-BASED ENCODING METHOD AND VIDEO COMPRESSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/082485
Kind Code:
A1
Abstract:
The present invention relates to a predictive quantization-based encoding method and a video compression system. The method comprises: dividing a pixel to be processed into a plurality of pixel components; obtaining a pixel component to be processed and a gradient along a grain direction thereof; obtaining a reference pixel and a predicted residual for said pixel component; forming a predicted residual stream; dividing the predicted residual stream into multiple quantification units; and obtaining a quantified residual stream. The present invention can reduce transmission bandwidth, theoretic limit entropy, and complexity.
Inventors:
YUE QINGDONG (CN)
RAN WENFANG (CN)
LI WEN (CN)
RAN WENFANG (CN)
LI WEN (CN)
Application Number:
PCT/CN2018/117216
Publication Date:
April 30, 2020
Filing Date:
November 23, 2018
Export Citation:
Assignee:
XIAN CREATION KEJI CO LTD (CN)
International Classes:
H04N19/124; H04N19/51
Foreign References:
| CN108063947A | 2018-05-22 | |||
| CN103517069A | 2014-01-15 | |||
| CN101160970A | 2008-04-09 |
Other References:
MATSUO, S. ET AL.: "Intra Prediction with Spatial Gradients and Multiple Reference Lines", 2009 PICTURE CODING SYMPOSIUM, 6 May 2009 (2009-05-06), pages 1 - 4, XP031491705
MATSUO, S. ET AL.: "Intra Angular Prediction with Weight Function and Modification Filter", 2013 PICTURE CODING SYMPOSIUM, 8 December 2013 (2013-12-08), pages 77 - 80, XP032567022
MATSUO, S. ET AL.: "Intra Angular Prediction with Weight Function and Modification Filter", 2013 PICTURE CODING SYMPOSIUM, 8 December 2013 (2013-12-08), pages 77 - 80, XP032567022
Attorney, Agent or Firm:
XIAN JUST IP FIRM (CN)
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