Methods and software packages for encoding video entropy and methods and software packages for decoding video entropy.
Patent Information
- Application Number
- TH2401002911
- Authority / Receiving Office
- TH · TH
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2013-07-02
- Publication Date
- 2026-10-05
AI Technical Summary
Existing video compression methods, such as MPEG-1, MPEG-2, MPEG-4, H.264/MPEG-4 AVC, face challenges in efficiently entropy-encoding and decoding syntax elements related to transformation units, particularly in selecting appropriate context models based on the hierarchical split relationships between coding and transformation units.
The method involves determining a context model for arithmetic decoding of transform unit significant coefficients based on the transformation depth, which indicates the number of splits from a coding unit to a transformation unit, thereby simplifying the selection criteria and calculation processes for entropy encoding and decoding.
This approach simplifies the context model selection process and improves the efficiency of entropy encoding and decoding by accurately determining context models based on transformation depth, enhancing the overall video compression process.