Macroblock

A New Rate Control Algorithm in Frame and Macroblock Layer under Low Bit

低比特率下帧层和宏块层新型码率控制算法

Shot Cut Detection Algorithm Based on Macroblock Type Matching Information

一种基于宏块类型匹配的镜头切换检测算法

Fast Inter Mode Decision Algorithm Based on the Intrinsic Complexity of the Macroblock

基于图像细节程度的快速帧间模式选择算法

Macroblock Coding Mode Predictive Method Based on Spatio-Temporal Correlation

基于时空相关性的宏块编码模式预测算法

Temporal Error Concealment Algorithm Based on Macroblock Mode Prediction

基于宏块模式预测的时域错误隐藏算法

Error Concealment for Image Based on Correlation of Adjacent Macroblock

基于相邻宏块间相关性的图像误码处理

Optimization Selection of Quantization Factor Based on Classified Macroblock

基于宏块分类的最佳量化因子选择

Image Sequence Macroblock Classification Using Neural Networks

一种图象序列的神经网络宏块活动性分类算法

Key Frame Extraction Based On Macroblock Type and Motion Vection

一种基于宏块类型和运动向量的关键帧提取方法

Macroblock Layer Rate Control in Multi-view Video Coding

面向多视点视频编码的宏块级码率控制

Macroblock feature quantification based real-time adaptive visual surveillance

基于宏块特征量化的视觉自适应实时监控方法

Rate control is often done at two layers : frame layer and macroblock ( MB ) layer .

码率控制一般分为帧层码率控制和宏块层码率控制两部分完成。

MacroBlock Permutation Video Encryption Approach Based on Pseudo-random Sequence

基于伪随机序列的宏块置乱视频加密方案

The algorithm is based on macroblock so that the capacity of the watermark is enhanced greatly .

该算法以宏块为基本单位，提高了嵌入水印的容量。

The video transmission distortion was analyzed and a new macroblock importance estimation based resynchronization approach was proposed .

对视频传输过程中的失真进行分析后，提出了基于宏块重要性测度的重同步新方法。

Then the motion information of adjacent blocks is used to adjust the search range at macroblock level .

MB-ASR则利用邻近块的运动信息实现局部搜索范围控制。

However , different regions within one macroblock may come from different objects and therefore may have different spatial and temporal correlation .

然而，图像中不同区域可能来自不同的物体，并分别具有不同的时间和空间相关性。

Simulation result based on MPEG 1 shows the effectiveness of the motion estimation method based on macroblock ′ s classification .

基于MPEG－1的模拟结果表明了基于宏块分类的运动估计法之有效性。

The principle and working flow of macroblock line parallel process technology are analyzed as well as Data flux to be transferred .

在此基础上分析了宏块行并行处理技术的原理和工作流程，估算了传输过程中的数据流量。

Multiple Description Video Coding with Macroblock Splitting

一种宏块分裂的多描述视频编码方法

Robust Mode Mismatch Macroblock Retrieval Algorithm for Transcoding MPEG-2 to MPEG-4 in Compression Domain

压缩域MPEG-2到MPEG-4视频转码中不匹配宏块的复原算法

The motion vectors and macroblock type during video transcoding based on resolution reduction are refined in this paper .

基于降低分辨率的视频代码转换模型，对运动矢量和宏块类型进行了精简。

The proposed algorithm can effectively skip unnecessary inter-prediction modes by using the properties of motion of the macroblock .

提出了一种快速帧间模式选择算法，通过利用宏块的运动特性，有效跳过不必要的帧间预测模式。

Among them , the huge computation is mainly from macroblock mode selection , multiple reference frames application and motion / disparity estimation .

其中，宏块模式的选择、多参考帧的应用和运动/视差估计三部分是造成多视点视频编码计算量大的主要原因。

The circuit is verified through stimulation and processes a complete chroma format 4:2:0 macroblock data in 293 clock cycle .

该滤波器经过仿真验证，对一个完整的4：2：0格式的宏块数据进行环路滤波仅需293个时钟周期。

Segmenting Moving-Objects from Static Background Based on macroblock

静止背景下基于宏块的运动对象的提取

In this paper , a macroblock splitting based multiple description scheme is proposed , and the corresponding redundancy control and mismatch control methods are also given .

本文在块基编码的基础上，提出了一种基于宏块分裂的多描述编码方法、相应的冗余度控制策略以及误匹配控制方法。

The macroblock coding transform algorithm extracts the reference region in DCT domain by matrix computation , which is pointed by motion vector .

宏块变换算法通过矩阵运算，在DCT域内从参考帧中抽取对应运动矢量指向参考区域的频域值，并与宏块的DCT值运算，从而实现帧内编码与帧间编码的宏块转换。

Experiments show that the algorithm is robust to legal video processing and malice attacks can be localized in the level of macroblock .

实验表明，该算法对合法的视频操作具有较高的鲁棒性，对恶意攻击的检测可以定义在宏块级。

By modifying the macroblock motion vector residuals which may be affected watermarking , video quality is improved without increasing the time of watermarking .

通过修改可能受嵌入水印影响的宏块运动矢量残差值，在不增加嵌入耗时的情况下改善水印嵌入的效果，对视频质量有一定提高。