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Rate-Distortion Optimized Quantization (RDOQ) brings significant improvement of coding performance in High Efficiency Video Coding (HEVC). However, it results in high computational complexity to determine the best quantization levels for each transform coefficient when applying rate and distortion optimization operation. In this paper, we firstly proposed an efficient way to skip the all zero coding...
This paper presents an efficient zero block early detection method to accelerate Rate Distortion Optimized Quantization (RDOQ) for High Efficiency Video Coding (HEVC). RDOQ brings significant improvement of coding performance, but it results in high computational complexity to determine the best quantization levels with rate and distortion optimization operations. It is worthwhile to detect all-zero-quantized...
AVS2 is the new generation of video coding standard developed by the Audio Video Coding Standard Working Group of China. In analogies to HEVC/H.265, a more flexible CU (coding unit), PU (prediction unit) and TU (transform unit) based coding structure is adopted to represent and organize the coding data. For intra coding, AVS2 adopts quad tree based partition coding structure on CU level, and one CU...
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