查询词典 deblocking

H. Decoder 264, a novel deblocking filter design , image coding and decoding skills, the introduction of multimedia skills are the main, H. 264/AVC is the most advanced video compression skills, its primary feature is the use of small ...

H.264解码器中一种新颖的去块效应滤波器设计，引言图像的编解码技能是多媒体技能的主要，H.264／AVC是国际上最先进的视频压缩技能，其首要特征是采用小尺寸。。。

Based on the characteristics of AVS algorithms, hardware architectures of variable length decoding module, inverse integer cosine transform module and in-loop deblocking filter module were developed.

同时根据AVS算法特点，给出了变长解码模块、反整数余弦变换模块和环路滤波模块的硬件实现结构。

First, four groups of filter coefficients matrix for DCT domain deblocking are deduced. Then frequency characteristic parameters are extracted to instruct the selection of the filter coefficients matrix. The selected filter coefficients matrix multiplied with the DCT coefficients and the blocking artifacts is alleviated in the filtered DCT blocks.

在DCT-AFBAR算法中，首先推导出四组用于DCT域滤波的系数矩阵，然后根据解码块的频率特征参数来选取当前DCT块滤波所使用系数矩阵，最后将相应的DCT系数块与选好的系数矩阵进行相乘，即得到消除了块效应的DCT系数块。

On one hand, in ASIC design of H.264/AVC deblocking filter, this dissertation proposes an optimized filtering order for vertical and horizontal edges grouping processing by studying the filtering edge features. In order to save inter-stage parameter buffer, it proposes the method of calculating filtering control parameters in entropy coding stage. A five-stage pipelined edge filter is presented to implement the parallel filtering and increase processing speed. And the hardware cost is efficiently decreased by optimizing shift logic of the transposer, reusing pipeline register set and optimizing the implementation of rounding operation.

一方面，本文在H.264/AVC去块滤波的ASIC设计中，通过研究滤波边界的特点，提出了优化的行列分组处理的滤波顺序；为了减少级间参数缓存，提出了在熵编/解码级就计算出滤波控制参数的方法；为了实现并行滤波和提高处理速度，设计了五级流水线边界滤波器；此外，通过优化转置单元的移位逻辑，复用流水寄存器组以及优化四舍五入运算的实现，有效地减小了硬件开销。

The design of H.264/AVC is based on conventional block-based motion-compensated hybrid video coding concepts, but with some important differences relative to prior standards: enhanced motion-prediction capability; a small block-size exact-match transform; adaptive in-loop deblocking filter; enhanced entropy coding methods.

H.264/AVC仍基于以前视频编码标准的运动补偿混合编码方案，主要不同有：增强的运动预测能力；准确匹配的较小块变换；自适应环内滤波器；增强的熵编码。

Co-operating with the coprocessors for example CAVLD/CABAD and deblocking module the multimedia processing system is expected to gain high and effective performance.

而对其它的一些具有复杂和规则计算行为特征的模块，如熵解码，算术解码和去块滤波器等则采用了硬件协处理的实现方式，以达到更高效和实时处理的性能要求。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。