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- For intra prediction, the boundary pixels are reshuffled before feeding into the systolic array. 对于内部预测,我们先将边界点重组后在丢入过滤器中。
- 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。
- A new color video coding method whichcombines 4D-MDCT and four dimensional intra prediction is proposed. 该文基于4D-MDCT并结合四维帧内预测技术提出了一种彩色视频编码的新方法。
- To reduce the complexity of intra prediction, a fast intra-prediction mode selection algorithm is proposed. 针对帧内预测编码的复杂性,本文提出一种基于率失真优化(RDO:Rate Distortion Optimization)的快速帧内预测模式选择算法。
- 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。
- Further more, intra prediction and integer transform &quantization are analyzed emphatically which are the core techniques in the H.264/AVC. 264/AVC的编码策略和提高编码效率的重要技术特性,然后着重分析了其中的2项关键技术:帧内预测和变换与量化。
- 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。
- Simulation results show the rapid algorithm can save about 20%~30% encoding time for all intra prediction coding with a little performance degradation. 仿真结果表明,该快速算法在保证编码性能几乎不变的前提下可使得全帧内编码的总时间减少约20%25~30%25。
- AVS video standard adopts the Rate Distortion Optimization(RDO) technique to improve the compression performance in the intra prediction. 摘要 AVS视频标准采用率失真优化(RDO)算法来提高帧内预测的压缩性能。
- H.264/AVC provides 17 modes for intra prediction,and the optimal mode is selected by Rate Distortion Optimization (RDO) with high coding complexity. 摘要 H.;264/AVC采用17种预测模式和率失真优化模型来进行帧内模式的选择,复杂度很高。
- 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。
- 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。
- To increase hardware utilization and minimize cost, we combine inter and intra prediction by a reprogrammable FIR filter, which is further implemented with systolic array. 利用在解码的过程中一个巨块不会同时利用到内部以及相互预测的特性,设计了一套既可以处理内部预测也可以处理相互预测单一硬体架构来增加硬体使用效率以及降低成本。
- A new intra prediction algorithm is proposed in this paper, which select optimal DC prediction direction of the block to be encoded, intra AC prediction is made from vertical, horizontal and diagonal coefficients. 提出了一种三阶频域帧内预测算法(TOIP),该算法在左方、上方、左上方相邻块中选择最优邻块进行DC预测,充分利用不同方向纹理特性的频域系数进行AC预测,能有效提高预测精度。
- 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.
- 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。
- The authors give a fast intra prediction arithmetic using SATD and spatial correlation.It can avoid unnecessary RD cost, and accordingly reduce the complexity of intra prediction greatly. 摘要利用SATD特征和图像空间相关性提出一种快速预测算法,避免了不必要的率失真计算,从而大大减少了复杂度。
- In luminance intra prediction of AVS-M, there are nine modes and two methods for the optimized mode selection-the SAD method and the RDO method, and the choice of optimized mode is very complex. 由于侧重点不同,编码性能和编码效率相差比较大。
- In this thesis, problems of intra prediction technique and intra coding algorithm in H.264/AVC are pointed out with analysis and discussion, further study is developed in this two aspects. 本文分析和讨论了H.;264/AVC中采用的帧内预测技术和帧内编码算法及其存在的问题,在此基础上针对这两个方面分别进行了深入的研究。
- New Fast Mode Selection for Intra Prediction 快速帧内预测模式选择新方法