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    • 2. 发明申请
    • MULTI-DIMENSIONAL NEIGHBORING BLOCK PREDICTION FOR VIDEO ENCODING
    • 用于视频编码的多维邻接块预测
    • WO2007038357A3
    • 2007-05-18
    • PCT/US2006037130
    • 2006-09-22
    • QUALCOMM INCWANG KAIMALAYATH NARENDRANATHNAGARAJ RAGHAVENDRA C
    • WANG KAIMALAYATH NARENDRANATHNAGARAJ RAGHAVENDRA C
    • H04N7/26
    • H04N19/57H04N19/109H04N19/197H04N19/43H04N19/52H04N19/56H04N19/567H04N19/61
    • The motion estimation techniques and video encoding device(s) described use a two dimensional pipeline to generate accurate motion estimation parameters for a current video block. The two dimensional pipeline uses previously calculated motion estimation parameters of relevant neighboring video blocks, including a preceding video block on a same row as the current video block, prior to the generation of the accurate motion vectors, motion vector predictors, and mode decision of the current video block The use of the two dimensional pipeline allows accurate motion vector prediction from neighboring video blocks previously not available, in the computation of motion vectors. Three engines may be used in the two dimensional pipeline, a fetch engine, an integer search engine and a fractional and spatial search engine. While the fetch engine and fraction and spatial search engine operate on one row, the integer search engine operates on another row.
    • 所描述的运动估计技术和视频编码装置使用二维流水线来产生当前视频块的精确运动估计参数。 在生成准确的运动矢量,运动矢量预测器和模式决定之前,二维管线使用先前计算出的相关相邻视频块的运动估计参数,包括与当前视频块相同的行上的先前视频块 当前视频块在运动矢量的计算中,使用二维流水线允许从先前不可用的相邻视频块进行精确的运动矢量预测。 三维发动机可用于二维管道,取出引擎,整数搜索引擎和分数和空间搜索引擎。 当提取引擎和分数和空间搜索引擎在一行上运行时,整数搜索引擎在另一行上运行。