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- Variable-sized block inter prediction mode decision of H.264/AVC was studied in this paper. 摘要文章对H.;264/AVC中可变尺寸帧间预测块模式决策进行了深入研究。
- 264/AVC employs RDO technique to select intra and inter prediction modes in order to enhance coding efficiency further,but it also increases prediction complexity drastically. 264/AVC采用RDO技术选择帧内和帧间预测模式以进一步提高编码的效率,取得显著效果,但同时大幅度增加了预测的复杂度。
- Reference picture marking: Specifies, in the bitstream, how the decoded pictures are marked for inter prediction. 参考图象标识:出现在位流中,。指示用于帧间预测的解码图象。
- For inter prediction, the 2-D interpolation is conducted through separable 1-D filtering. 对于内部预测我们使用两次一维的过滤器来实现二维的过滤。
- Inter prediction: A prediction derived from decoded samples of reference pictures other than the current decoded picture. 帧间预测:一种参考以前解码的图像来预测当前解码图像的方法。
- A microblock (MB) with full prediction case will spend 1350 clocks to accomplish all prediction modes. 一个巨方块将花费1350个时脉来完成所有预测模式的计算。
- After the decoding of an IDR picture all following coded pictures in decoding order can be decoded without inter prediction from any picture decoded prior to the IDR picture. 解码完一副IDR图象后,立即将所有的参考图象标识为“尚未用作参考”。
- The architecture of intra prediction generator is designed to support all prediction modes defined in the H.264 standard. 本文中我们设计一种可以产生所有H.;264规定的预测模式的预测值产生器。
- Secondly, several prediction modes, such as frame/field prediction and the adaptivechosen of frame/field DCT transform to increase the efficiency of encoder arediscussed. 其次,仔细分析讨论了各种预测方法例如帧/场预测,和帧/场DCT变换怎样自适应的选择,以更进一步的提高编码器的效率。
- It is expounded that the application of intra prediction, multi-block inter prediction, 1/4 and 1/8 fractional pixel motion estimation, multiple reference frames, integer transform, CABAC and deblock filter, etc. 阐述了帧内预测、多种块模式的帧间预测、1/4和1/8像素的运动估计、多参考帧、整数变换、CABAC和环路解块滤波器等新技术,等等。
- Experimental results show that the method can improve the ability of the poor ability intra prediction mode. 实验结果表明该方法可以使预测能力较差的模式的预测能力得到改善。
- In order to solve this problem, a changed codec reordering strategy is proposed to codec the poor ability intra prediction mode. 为了解决这一问题,提出了一种更改编解码次序的方法对预测能力较差的模式进行编解码。
- Introduce intra prediction mode selection in H.264/AVC and research the fast algorithm of mode selection based on edge directional information. 简要分析了H.;264/AVC中的帧内预测模式选择;研究了基于边缘方向信息的模式选择快速算法。
- We anvanced a fast block match algorithm based on Rate-Distortion Optimization and a fast intra prediction mode selection strategy based on edge detection. 并提出了一种基于率失真最优化准则的快速块匹配算法和基于边缘检测的帧内预测模式选择策略。
- AVS is the Audio and Video Coding Standards of China. This paper presents the major techniques of intra prediction of AVS video standard and emphasizes on calculating method of intra prediction modes. 文章介绍了AVS帧内预测解码模块的硬件实现;概述了AVS视频编解码标准的帧内预测技术;重点讨论了AVS帧内预测各模式的算法;并将AVS的帧内预测技术与H.
- Based on H.263, it makes use of several critical technique, such as advanced intra/inter prediction modes, 4 by 4 integer DCT transfer, motion estimation at 1/4 pixel level, and content-adaptive binary arithmetic coding. 它以H.;263为基础;采用了先进的帧内、帧间预测模式;4×4整数DCT变换;1/4精度运动估计和基于上下文的二进制算术编码等关键技术;使得H
- Moreover, multiple prediction modes are also proposed for the coding of chrominance blocks as well as luminance blocks, which can further improve the coding efficiency of chrominance components. 在亮度块编码的同时采用多预测模式用于色度块的编码,从而进一步提高图像中色度分量的编码效率。
- The algorithm utilizes direction measure to estimate the flatness and texture direction of a block,and precludes some less probable prediction modes to avoid unnecessary cost computations. 该算法使用方向测度来判断块的平坦程度和纹理方向,它可以预先排除可能性小的预测模式,避免了不必要的代价计算。
- Based on the order of most probable prediction modes in H.26L, we can adaptively control the prediction process of different prediction modes so as to take advantage of PDE method. 该算法利用H.;26L中帧内预测编码的最佳预测模式概率模型来自适应调整预测过程,结合PDE方法,达到加快帧内图像编码速度的目的。