Title:
METHOD AND APPARATUS OF TRANSFORM TYPE ASSIGNMENT FOR INTRA SUB-PARTITION IN VIDEO CODING
Document Type and Number:
WIPO Patent Application WO/2020/156454
Kind Code:
A1
Abstract:
A method and apparatus of prediction for video coding are disclosed. According to the method, when the Intra Sub-Partition (ISP) mode is applied to a block, the block is partitioned into multiple sub-blocks horizontally or vertically. A target horizontal transform and a target vertical transform are determined from a candidate transform set for each of the multiple sub-blocks according to a target setting belonging to a setting group comprising unified setting and block setting. The target horizontal transform and the target vertical transform selected are then applied to each of the multiple sub-blocks. According to another method, a target horizontal and vertical transform are determined from a candidate transform set without a transform index for the current block according to unified setting, wherein the unified setting comprises two or more Intra modes or Intra-related modes.
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Inventors:
CHIANG MAN-SHU (CN)
HSU CHIH-WEI (CN)
HSU CHIH-WEI (CN)
Application Number:
PCT/CN2020/073845
Publication Date:
August 06, 2020
Filing Date:
January 22, 2020
Export Citation:
Assignee:
MEDIATEK INC (CN)
International Classes:
H04N19/593
Domestic Patent References:
| WO2017086738A1 | 2017-05-26 |
Foreign References:
| US20150208090A1 | 2015-07-23 | |||
| US20150117535A1 | 2015-04-30 | |||
| CN101888549A | 2010-11-17 | |||
| CN102740077A | 2012-10-17 | |||
| CN106998473A | 2017-08-01 |
Other References:
See also references of EP 3915264A4
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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