motion estimation

Calculate the different value of illumination change during motion estimation and finished illumination compensation during motion compensated temporal filter.

在运动估计时，计算亮度变化差值。在运动补偿时域滤波时，对亮度差值进行补偿。

Motion estimation is a very important algorithm in digital video camera, because it has a big effect on video compression and image stabilization.

运动估计算法是数码摄像机中一个非常重要的算法，因为它对视频编码压缩和视频稳像有着非常大的作用。

A Multiple Pattern Algorithm for Block Motion Estimation Based on Variable Block-size

基于可变分块尺寸的多模板运动估计算法单块集成运算放大器

A Motion Estimation and Correction Algorithm for Removing Blotches in Image Sequences

一种用于图像序列斑点去除的运动估计修正方法

A new variable size macroblocks motion estimation method used for video coding is proposed.

提出了一种新的用于视频编码的变尺寸宏块运动估计方法。

The improvement in the rate-distortion performance in H.264 is mainly due to accurate inter prediction coding with different mode decisions including multiple block size, multiple reference frame motion estimation and fine sub-pixel motion vectors.

编码效率的提高主要归根于精确的帧间预测编码，其中包括多种块模式，多参考帧运动估计和分数像素精度3种新技术的采用。

Because motion estimation is a ill-problem, supposed models are needed to add on motion fields.

由于运动估计问题是一个不适定问题，需要对运动场结构附加假设模型。

Motion estimation of temporal resolution reductin in video transcoding

基于降低时间分辨率转换编码模型的运动估值方法

In the process of motion estimation for very low bit rate video coding, a macroblock is partitioned adaptively with a pattern which matches the shape of edges of the objects in the macroblock, and two time differential reference frames are used.

在极低码率视频编码运动估值过程中，针对视频对象的边缘形状特征，将宏块按不同形状的模板自适应地进行分割，同时引入近期、远期2个参考帧进行块匹配。

The motion estimation is used to eliminate the temporal redundancy, which can improve the coding efficiency.

编码中采用运动估计技术能消除帧间的时间冗余，从而提高编码的效率。

Because temporal redundancy between the two frame in the video sequence, the video compression is possible by motion estimation.

由于视频序列在相邻的两帧图像之间存在着时间上的冗余，因此通过运动估计对视频进行压缩是可能的。

The proposed algorithm takes advantage of inherent properties of shape coding as well as shape information, i.e., context-based motion estimation feature, motion vector correlation between neighboring binary alpha blocks, and binary feature of shape information.

该算法利用了形状编码及形状信息的固有特性，即基于上下文的运动估计特性、相邻二值alpha块的运动矢量相关性以及形状信息的二值特性。

Secondly, nodes of the DT grid carry out motion estimation using radiation transformation.

之后针对DT网格的节点进行运动估计，运动估计过程中采用放射变换技术。

Video analysis; moving object extraction; motion estimation.

视讯分析；移动物体撷取；移动估测。

A New Search Algorithm for Motion Estimation in Low Bit Rate Video Compression

一种适用于低码率图象压缩的运动估计算法

However, temporal block-matching method is more suitable for motion estimation where there are two or more objects in the scene.

但时域法更适合了存在多个运动的运动估计。

A nonlinear prediction search algorithm with successive differentiation ( NPSSD) that is used for motion estimation in such the international standards as H.261, H.

本文提出了一种连续判别的非线性预测搜索NPSSD块运动估计算法，可以用于视频压缩的一些国际标准，如H.261，H。

Motion estimation and motion compensation plays a key part in electronic image stabilization system.

电子稳像系统的核心是运动估计和运动补偿.

Experiments results show applied with the proposed ACBs motion estimation algorithm and Sprite algorithm, it can successfully realize MPEG-4 coding, with high-quality and high revolutionary.

实验结果表明，应用本文改进的ACBs运动估计算法和Sprite编码算法能成功实现MPEG-4编码，并且编码后视频质量较高，画面清晰。

Then the analysis is made to the current start search point prediction method, matching criterion. Taking good advantaging of these ideas, a developing algorithm, start search point prediction method based on motion correspondence and motion estimation matching criterion based on vision feature, is proposed.

然后对现有起点预测方法、匹配准则一一作了分析，并在此基础上提出了改进方案&基于运动相关性的起点预测方法和基于视觉特征的运动估计匹配准则。

Adaptive Selecting Decimation Pattern Algorithm for Motion Estimation

自适应选择抽取模式的运动估计算法

For this reason, the work is completed as follows: Firstly, the key technology of MPEG-4 is analyzed and researched in details, including motion estimation, texture coding and so on.

基于此因素，本文主要完成的工作如下：首先，对MPEG-4视频编码中的关键技术（包括运动估计、纹理编码等技术）进行了详细分析和研究。

Motion estimation is one of the most important part of motion compensation/ DCT based hybrid video coding standards which lead to high compression ratio by efficiently reducing temporal redundancy between adjacent frames of video sequence.

运动估计是基于运动补偿/DCT混合编码方法的重要组成部分，运动估计与补偿技术可以有效地去除视频序列相邻帧间存在的时间冗余，极大地提高了编码效率。

At the end , the future trend of motion estimation research is discussed.

提出了运动估计算法今后的研究方向.

26L is an efficient low bit-rate coding standard, but it costs too much time in motion estimation.

26L是当前提出的一种有效的低比特率编码方案，但它在运动估计部分需要大量的时间。

The shift-variant property of the wavelet transform and three-dimension wavelet transform are also discussed in the thesis. And simulation experiment has been made exploringly for the motion estimation using Low-Band-Shift ( LBS) method aim at overcoming the temporal variance of the wavelet transform.

论文还对利用三维小波变换进行视频编码以及小波变换存在的移变性进行了分析讨论，并介绍了克服这种移变性的低子带位移运动估计的方法，探索性地进行了计算机仿真。

As a key technology in the video coding system, motion estimation is used to reduce time redundancy and space redundancy in video sequences. Moreover, its accuracy and complexity is very important in improving the coding efficiency.

运动估计作为视频编码系统中的一项关键技术，用来降低视频信息中时间、空间冗余度，其准确度和复杂度对提高编码效率起着非常重要的作用。

A High Efficient Architecture for Motion Estimation Based on AVC/ AVS Coding Standard

基于AVC/AVS标准高效运动估计硬件结构设计

A visual servo robot system based on uncalibrated object motion estimation

视觉伺服机器人系统的无标定目标运动估计

The efficiency of encoder gains significant improvement by motion compensation technique and motion estimation, which play an important role in eliminating the time redundancy in video sequences.

运动估计的作用是消除存在于视频序列中时间冗余，同时与运动补偿技术结合可以显著提升编码器的效率，因此快速运动估计算法成为了研究的热点领域。