Flexible assignment of regular bins in residual coding for video coding
JP2026062716A5Pending Publication Date: 2026-05-21INTERDIGITAL VC HOLDINGS INC
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Patent Information
- Application Number
- JP2025253348
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2019-05-23
- Filing Date
- 2025-12-16
- Publication Date
- 2026-05-21
AI Technical Summary
Technical Problem
Existing video encoding and decoding technologies face constraints in maximizing the use of normal bins in residual coding, limiting compression efficiency.
Method used
Implementing a method that allocates a limited number of normal bins based on a budget among encoding or decoding groups using Context-Adaptive Binary Arithmetic Coding (CABAC) to optimize residual coding processes.
Benefits of technology
Improves compression efficiency by respecting high-level constraints and optimizing the use of normal bins in residual coding.
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Abstract
A method and an apparatus for encoding / decoding a video are provided.SOLUTION: The encoding method is based on CABAC coding of bins, and a high level constraint on the maximum usage of regular CABAC coding of bins is enforced. In other words, the budget of regular coding bins is allocated over a larger picture area than the coding groups, so that a number of coding groups are covered, the number being determined from the average allowed number of regular bins per unit area.SELECTED DRAWING: Figure 11
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