视频编解码方法、装置、计算机可读介质及电子设备
By acquiring and assigning flag combinations with non-zero coefficients, and utilizing context index increments to improve the encoding and decoding method, the problem of low video encoding and decoding efficiency is solved, and video compression performance is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TENCENT TECHNOLOGY (SHENZHEN) CO LTD
- Filing Date
- 2021-02-21
- Publication Date
- 2026-07-17
AI Technical Summary
During video encoding and decoding, the numerical distribution of residual data is complex and diverse, resulting in low encoding and decoding efficiency and affecting the compression performance of the video.
By obtaining the flag combination corresponding to the non-zero coefficients in the coding block of the video image frame, and using the channel information of the coding block, the position information of the non-zero coefficients in the coding block, and the statistical information of the decoded non-zero coefficients, the context index increment is assigned to the absolute value threshold flag of the coefficients, thereby improving the encoding and decoding method and increasing the encoding efficiency.
The binarization and encoding/decoding methods for the absolute values of non-zero coefficients have been improved, increasing the coding efficiency of coefficient encoding and further enhancing video compression performance.
Smart Images
Figure CN116095329B_ABST