CAJ | 학술논문

为降低多视点视频编码( MVC)中过高的计算量，提出基于宏块多相关性的多视点视频编码视间预测与Direct模式提前终止算法。分析MVC参考模型( JMVC)中时域预测和视间预测的特点及Direct模式的分布情况。基于当前宏块的时间和视点之间率失真代价的大小关系判断是否进行视间预测。利用先前已编码宏块的编码模式信息确定是否跳过Direct模式。实验结果表明，同JMVC的全搜索算法相比，该算法能降低编码的计算复杂度，平均可达75.62%，同时保持几乎相同的编码率失真性能。
위강저다시점시빈편마( MVC)중과고적계산량，제출기우굉괴다상관성적다시점시빈편마시간예측여Direct모식제전종지산법。분석MVC삼고모형( JMVC)중시역예측화시간예측적특점급Direct모식적분포정황。기우당전굉괴적시간화시점지간솔실진대개적대소관계판단시부진행시간예측。이용선전이편마굉괴적편마모식신식학정시부도과Direct모식。실험결과표명，동JMVC적전수색산법상비，해산법능강저편마적계산복잡도，평균가체75.62%，동시보지궤호상동적편마솔실진성능。
In order to reduce greatly computational complexity in Multi-view Video Coding ( MVC ) , an inter-view prediction and Direct mode early termination algorithm based on macroblock multi-correlation for multi-view video coding is proposed. The characteristics for time domain and inter-view domain prediction and the distribution for Direct mode in the Joint Multi-view Video Coding ( JMVC ) are analyzed in the proposed algorithm. Comparing the rate-distortion cost between the time and inter-view domain determines whether the current macroblock predicted between inter views. Using the coding mode information of the previously encoded macroblock determines whether it skips Direct mode . Experimental results demonstrate that the proposed method is able to significantly reduce the computational load by 75. 62% on average,while keeping almost the same rate-distortion performance,compared with the full mode decision in JMVC.