【摘要】 高分辨率视频中使用了更多的像素来描述空间中相同幅度的运动,这会导致帧间编码过程中需要搜索的范围与所需要的参考帧像素存储器大小随着视频中图像对角线像素数目的平方增长,从而给硬件帧间编码器的设计带来巨大的困难.本文提出了一种以编码树单元为单位,利用当前帧及时域相邻帧中的信息,确定搜索起点的方法;而且在编码效率仅下降约1.6%的情况下,将参考帧像素存储器的规模减小约91.5%.更多还原

【Abstract】 Since more pixels are used in high resolution video to describe motion of the same magnitude in space,it results that the range of inter frame coding needs to be searched,as well as required reference frame pixel memory size increases with the square of the number of pixels diagonal to the image in the video.This introduce tremendous difficulties to the design of the hardware inter-frame encoder.This paper proposes a method to determine the search starting point of a coding tree unit by using the motion information in the adjacent block of the current frame and temporal adjacent frames.In the proposed method,the size of the reference frame pixel memory is reduced by about 91.5%,while the coding efficiency is only decreased by about 1.6%.更多还原