AVC编码方法和装置
By predicting the texture complexity of macroblocks during AVC encoding using depth information from HEVC encoding and adjusting quantization parameters, the misjudgment problem during scene switching in existing technologies is solved, achieving higher video compression efficiency and visual quality.
CN116567246BActive Publication Date: 2026-07-17JD DIGITS HAIYI INFORMATION TECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JD DIGITS HAIYI INFORMATION TECHNOLOGY CO LTD
- Filing Date
- 2023-06-07
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing region-based bitrate control algorithms are prone to misjudging moving and non-moving regions during scene transitions, affecting the accuracy and efficiency of video encoding.
Method used
By using depth information from HEVC encoding to predict the texture complexity of macroblocks during AVC encoding, and adjusting quantization parameters and reallocating bitrates based on texture complexity, the accuracy and efficiency of video compression can be improved.
Benefits of technology
It achieves higher visual subjective quality and video compression efficiency, reduces network bandwidth usage, and improves the quality and efficiency of video transmission.
✦ Generated by Eureka AI based on patent content.
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Figure CN116567246B_ABST
Abstract
本公开的实施例公开了AVC编码方法和装置。该方法的具体实施方式包括：对视频进行HEVC编码得到HEVC编码块集合，并按帧统计每个HEVC编码块的深度划分信息；对所述视频进行AVC编码得到AVC编码宏块集合，并将所述AVC编码宏块集合与所述HEVC编码块集合进行映射；对于每个AVC编码宏块，根据该AVC编码宏块映射的HEVC编码块的深度划分信息确定该AVC编码宏块的纹理复杂度；根据每个AVC编码宏块的纹理复杂度调整每个AVC编码宏块的量化参数；基于调整后的每个AVC编码宏块的量化参数完成所述视频的AVC编码过程。该实施方式提高了视频质量。
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