基于差分检测的MVC深度图编码早期模式终止

Minghui Wang, Xin Jin, S. Goto
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引用次数: 16

摘要

深度图编码是多视图视频编码(MVC)中随着深度图像渲染(DIBR)的发展而出现的一个新课题。由于深度图是单色图,纹理比彩色图少,因此快速算法是减少编码器计算负担的必要和可能。提出了基于差分检测的早模终止策略。差分检测算法分为基于重构帧(RDD)和基于原始帧(ODD)两种。提出了一种简化的ODD (sODD)策略。基于这三种DD算法的早模式终止分别在JMVC 8.0版本的参考软件中实现和评估。仿真结果表明,基于RDD的算法没有性能损失,运行时间平均减少25%。基于ODD和基于sODD的方法分别可以节省54.3%和43.6%的运行时间,并且具有可接受的R-D性能损失。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Difference detection based early mode termination for depth map coding in MVC
Depth map coding is a new topic in multiview video coding (MVC) following the development of depth-image-based rendering (DIBR). Since depth map is monochromatic and has less texture than color map, fast algorithm is necessary and possible to reduce the computation burden of the encoder. This paper proposed difference detection based early mode termination strategy. The difference detection (DD) algorithms are categorized to reconstructed frame based (RDD) and original frame based (ODD). A simplified ODD (sODD) strategy is also proposed. Early mode termination based on these three DD algorithms are implemented and evaluated in the reference software of Joint Multiview Video Coding (JMVC) version 8.0 respectively. Simulation results indicate that RDD based one has no performance lost and reduce 25% runtime on average. ODD and sODD based ones can save 54.3% and 43.6% runtime respectively and have an acceptable R-D performance lost.
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