Invention Grant
- Patent Title: Method and apparatus for hierarchical signaling of enabling and disabling prediction mechanisms for video coding
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Application No.: US17313684Application Date: 2021-05-06
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Publication No.: US11438629B2Publication Date: 2022-09-06
- Inventor: Alexey Konstantinovich Filippov , Vasily Alexeevich Rufitskiy , Jianle Chen
- Applicant: Huawei Technologies Co., Ltd.
- Applicant Address: CN Shenzhen
- Assignee: Huawei Technologies Co., Ltd.
- Current Assignee: Huawei Technologies Co., Ltd.
- Current Assignee Address: CN Shenzhen
- Agency: Conley Rose, P.C.
- Main IPC: H04N19/70
- IPC: H04N19/70 ; H04N19/174 ; H04N19/176 ; H04N19/30 ; H04N19/593 ; H04N19/625 ; H04N19/80 ; H04N19/86
Abstract:
A method includes obtaining a first control parameter in a sequence parameter set (SPS) level, wherein a first value of the first control parameter in the SPS level indicates that a smoothing is not applied for any block of a sequence, a second value of the first control parameter in the SPS level indicates that the smoothing is applied for each block of the sequence, and obtaining a second control parameter in a slice header when a third value of the first control parameter in the SPS level is equal to a predefined value, wherein a first value of the second control parameter indicates that the smoothing is applied for each block of a slice.
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