The combination of H.264 Spatial Scalability and SNR Scalability can be graded separately from the encoding; the extraction and decoding realize the quality of many of the extracted specific regions in order to fulfill the demand under different conditions.
3.结合H.264空间可分级和质量可分级,分别从编码端、萃取端、解码端实现多质量特定区域的提取,以满足不同条件下的需求。
参考来源 - H.264扩展框架下分级技术研究This paper presents a fast mode decision algorithm for enhancement layer with inter-layer residual prediction (ILRP) in spatial scalability to achieve coding efficiency.
本文提出了一种快速模式决策算法,为空间可伸缩编码的增强层采用层间残差预测(Inter Layer Residual Prediction,ILRP)提高了编码速率。
参考来源 - 空间可伸缩编码中基于层间残差预测的快速模式决策算法Based on the H.264/AVC video coding standard, a video coder supporting spatial scalability is designed here. The experiment shows that it can save 20%~30% of the bandwidth to transfer the video signal, compared with the H.264/AVC coder without scalability.
提出了一种基于H.264/AVC的空域分级视频编码器方案,给出的实验结果表明,和不采用分级编码的H.264/AVC编码器相比,该方案的增强层编码器可以降低视频传输所需带宽约20%~30%,计及传输基本层后,总比特率也仅比不分级的比特率约增加不到10%。
参考来源 - 一种基于H.264/AVC的空域分级编码方案·2,447,543篇论文数据,部分数据来源于NoteExpress
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