Title:
VIRTUAL VIEWPORT GENERATION METHOD AND APPARATUS, RENDERING AND DECODING METHODS AND APPARATUSES, DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/141222
Kind Code:
A1
Abstract:
A virtual viewport generation method and apparatus, rendering and decoding methods and apparatuses, a device and a storage medium. The virtual viewport generation method comprises: according to a depth map of an input viewport, generating an initial visibility map of a target viewport; segmenting the initial visibility map, so as to obtain segmented regions; according to a quantitative relationship between two types of pixels in the segmented regions of the initial visibility map, recognizing target pixels in the corresponding segmented regions; updating pixel values of the target pixels in the segmented regions of the initial visibility map, so as to obtain a first visibility map of the target viewport; and processing the first visibility map of the target viewport, so as to obtain a target texture map of the target viewport.
Inventors:
YANG YOU (CN)
SU YONGQUAN (CN)
LIU QIONG (CN)
WU KEJUN (CN)
ZHANG RUICHEN (CN)
SU YONGQUAN (CN)
LIU QIONG (CN)
WU KEJUN (CN)
ZHANG RUICHEN (CN)
Application Number:
PCT/CN2020/141508
Publication Date:
July 07, 2022
Filing Date:
December 30, 2020
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04N13/00
Foreign References:
| CN102609974A | 2012-07-25 | |||
| CN106341676A | 2017-01-18 | |||
| CN106162198A | 2016-11-23 | |||
| CN107507239A | 2017-12-22 | |||
| US20200099911A1 | 2020-03-26 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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