Description: 首先采用灰度投影匹配进行全局运动估计和补偿，用以消除背景变化的影响；然后由二次差分抽取中间帧解决遮挡问题，通过Fisher 评价函数结合数学形态学填充得到运动对象分割掩膜，同时消除残余噪声以及平滑边缘。该方法在一定范围内较好地解决了遮挡问题，并能够高效快速地得到比较精确的视频对象。-first used for overall projection matching motion estimation and compensation, in order to remove the impact of changes in background; then by the second difference from the middle frame settlement block, Fisher evaluation function by combining mathematical morphology be filled Moving Object segmentation mask, while eliminating residual noise and edge smoothing. The method in a certain range to help solve the problem of shelter, and to the rapid and efficient access to more precise video objects. Platform: |
Size: 303049 |
Author:李杰 |
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Description: 首先采用灰度投影匹配进行全局运动估计和补偿，用以消除背景变化的影响；然后由二次差分抽取中间帧解决遮挡问题，通过Fisher 评价函数结合数学形态学填充得到运动对象分割掩膜，同时消除残余噪声以及平滑边缘。该方法在一定范围内较好地解决了遮挡问题，并能够高效快速地得到比较精确的视频对象。-first used for overall projection matching motion estimation and compensation, in order to remove the impact of changes in background; then by the second difference from the middle frame settlement block, Fisher evaluation function by combining mathematical morphology be filled Moving Object segmentation mask, while eliminating residual noise and edge smoothing. The method in a certain range to help solve the problem of shelter, and to the rapid and efficient access to more precise video objects. Platform: |
Size: 303104 |
Author:李杰 |
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Description: 这是一个实现运动估计的程序，采用的是传统的块匹配准则，程序的可移植性较好-This is a realization of motion estimation procedure used is a traditional block-matching criteria, procedures for better portability Platform: |
Size: 73728 |
Author:粘永健 |
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Description: 本文的工作是实现一个视频监控系统的软件核心部分。在内容上首先对
H. 263视频编码标准进行叙述，接下来讨论实现快速运动估计的方法，针对块
匹配运动估计给出了一种改进的钻石搜索算法代替原有的三步搜索法。实验
结果证明，经算法改进优化的新钻石搜索法优于原先的三步攫索法，大大提
高了程序运行的效率。随后简单介绍了C64xx系列DSP和视频数据的AVI存
储方式，研究了用软件的方法实现 H. 263编码标准，以及将其移植到 DSP后
的优化问题，最终达到了在 DSP上实时编码的要求。-This article is the realization of a video surveillance system in the core of the software. First of all, the contents of H. 263 video coding standards are described, followed by discussion of fast motion estimation methods, for block-matching motion estimation is given an improved search algorithm in place of the original diamond three-step search method. Experimental results show that by the algorithm to improve the optimization of the new diamond search method is superior to the original three captured Sofa, greatly improve the efficiency of the program is running. Then briefly introduce the DSP Series C64xx and AVI video data storage, research using the software method H. 263 coding standard, and its transplantation to the DSP after the optimization problems, and ultimately reached in the DSP real-time encoding requirements. Platform: |
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Author:liu |
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Description: 是关于运动估计算法的一些重要的文章,尤其是对初学者有很大帮助.-Motion estimation algorithm on a number of important articles, in particular, are very helpful for beginners. Platform: |
Size: 1970176 |
Author:binbin |
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Description: 为了减小运动估计算法的计算复杂度及提高视频压缩编码的效率,提出了一种新的快速、有效的块匹配运
动估计算法.-In order to reduce the motion estimation algorithm of the computational complexity and improve the efficiency of video compression coding, a new fast and effective block-matching motion estimation algorithm. Platform: |
Size: 586752 |
Author:孙翔 |
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Description: 由于基于块匹配的快速运动搜索算法中三步法的小运动估计效果较差,使其运动估计精度明显下降,还导致三步法缺乏良好的扩展性. 因此对三步法进行了改进,即在前两步总是将搜索步长减半继
续搜索.-As a result of block matching based on the rapid movement in the three-step search algorithm for motion estimation of small less effective so that it significantly decreased the accuracy of motion estimation, but also three-step method resulted in a lack of good scalability. Therefore, an improved three-step method, namely, the former two-step search step size is always half continuing their search. Platform: |
Size: 111616 |
Author:孙翔 |
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Description: 基于块匹配的帧间运动估计，对相邻帧间背景运动计算运动矢量 ，使用了多种搜索算法对运动块进行搜索和匹配。-Block Matching Algorithms for Motion Estimation，This MATLAB source code is a review of the block matching algorithms used for motion estimation in video compression. It implements and compares 7 different types of block matching algorithms that range from the very basic Exhaustive Search to the recent fast adaptive algorithms like Adaptive Rood Pattern Search. Platform: |
Size: 4603904 |
Author:付亚峰 |
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Description: This paper (and accompanying MATLAB source code) is a review of the block matching algorithms used for motion estimation in video compression. It implements and compares 7 different types of block matching algorithms that range from the very basic Exhaustive Search to the recent fast adaptive algorithms like Adaptive Rood Pattern Search. The algorithms that are evaluated in this paper are widely accepted by the video compressing community and have been used in implementing various standards, ranging from MPEG1 / H.261 to MPEG4 / H.263. The paper also presents a very brief introduction to the entire flow of video compression.
by Aroh Barjatya
original found here http://www.mathworks.com/matlabcentral/fileexchange/8761-This paper (and accompanying MATLAB source code) is a review of the block matching algorithms used for motion estimation in video compression. It implements and compares 7 different types of block matching algorithms that range from the very basic Exhaustive Search to the recent fast adaptive algorithms like Adaptive Rood Pattern Search. The algorithms that are evaluated in this paper are widely accepted by the video compressing community and have been used in implementing various standards, ranging from MPEG1/H.261 to MPEG4/H.263. The paper also presents a very brief introduction to the entire flow of video compression.
by Aroh Barjatya
original found here http://www.mathworks.com/matlabcentral/fileexchange/8761
Platform: |
Size: 121856 |
Author:hbx |
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Description: 给出了一种用于H.264变换尺寸全搜索快匹配算法的运动估计电路的改进结构，并完成了VLSI设计。通过脉动阵列和全流水线的设计，达到最高的数据重用率、最小的I/O引脚和100 的硬件计算效率。-An improved architecture for H.264 full-pel motion estimation using variable block size full-search block-matching algorithm is proposed in this paper. To obtain the highest data reuse efficiency and minimum I/O pin count while achieving 100 hardware efficiency, a systolic array and full pipeline architure is adopted. Platform: |
Size: 513024 |
Author:周 |
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Description: 本论文首先系统地介绍了视频压缩编码的基本原理和方法，以及各国际标准
化组织提出的压缩标准；其次分析了JPEG和MPEG-4的主要技术，据此提出
MPEG-4简单框架编码器的软件实现方案，给出流程图，在VC++环境下用C语言
程序实现了JPEG压缩及MPEG-4简单框架的视频压缩功能，采用测试序列验证
无误，并对两种标准的压缩比进行试验对比，突出压缩的关键技术为DCT和运动
估计算法；接着深入研究了DCT变换、运动估计和补偿算法并进行了优化改进，
给出了用于快速匹配块的自适应十字模式搜索算法，并给出了对各种块匹配估计
算法的仿真结果。然后详细介绍了TI公司TMS320C6711DSP的软硬件特性，并
在此基础上提出系统的硬件实现方案。接着介绍了基于系统软硬件环境的移植问
题和优化方法，并针对算法移植和仿真过程中的问题进行了说明。
最后就课题设计过程中研究的结果予以总结，并阐述了以后课题研究的要点。-In this thesis,an introduction to video compression principal,methods and central
international video coding standards is done firstly.Then analyzing the core techniques
of JPEG and MPEG-4 and proposing a scheme of MPEG-4 SP encoder,the coding
function of JPEG and MPEG-4 is achieved in C successfully with test sequence Then
compare the compressed ratio of two standards,point out the key of compression is DCT
and Motion Estimation algorithm.Afterwards,studying the DCT/Motion
Estimation/Motion Compensation algorithm in detail and giving an adaptive rood
pattern search for fast Block-Matching motion estimation.Then the simulation of several
motion estimation algorithms based block-matching is given.Accordingly,a scheme of
a DSP-based video compression system is put forward,with the features of TI’s
TMS320C6711 DSP.At last,the transplant and optimization are considered on the basis
of soft and hard environments,also the simulation process.
In the end,the summarization about the Platform: |
Size: 1805312 |
Author:father2002 |
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Description: This paper is a review of the block matching
algorithms used for motion estimation in video compression. It
implements and compares 7 different types of block matching
algorithms that range from the very basic Exhaustive Search to
the recent fast adaptive algorithms like Adaptive Rood Pattern
Search. The algorithms that are evaluated in this paper are
widely accepted by the video compressing community and have
been used in implementing various standards, ranging from
MPEG1 / H.261 to MPEG4 / H.263. The paper also presents a
very brief introduction to the entire flow of video compression-This paper is a review of the block matching
algorithms used for motion estimation in video compression. It
implements and compares 7 different types of block matching
algorithms that range from the very basic Exhaustive Search to
the recent fast adaptive algorithms like Adaptive Rood Pattern
Search. The algorithms that are evaluated in this paper are
widely accepted by the video compressing community and have
been used in implementing various standards, ranging from
MPEG1/H.261 to MPEG4/H.263. The paper also presents a
very brief introduction to the entire flow of video compression Platform: |
Size: 252928 |
Author:vikas |
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Description: Block Matching Algorithms for Motion Estimation
This project contains the project report and source code by Aroh Barjatya for Digital Image Processing Class at Utah State University.
Following is a short description of the m files in this zip
motionsEstAnalysis.m Script to execute all Algorithms
motionEstES.m Exhaustive Search Algorithm
motionEstTSS.m Three Step Search Algorithm
motionEstNTSS.m New Three Step Search Algorithm
motionEstSESTSS.m Simple And Efficient Search Algorithm
motionEst4SS.m Four Step Search Algorithm
motionEstDS.m Diamond Search Algorithm
motionEstARPSm Adaptive Root Pattern Search Algorithm
costFuncMAD.m Mean Absolute Difference Function
minCost.m minimum cost among macro blocks
motionComp.m motion compensated image creator
imgPSNR.m finds image PSNR w.r.t. reference image
The test images can be found at http://cc.usu.edu/~arohb/caltrain.zip-Block Matching Algorithms for Motion Estimation
This project contains the project report and source code by Aroh Barjatya for Digital Image Processing Class at Utah State University.
Following is a short description of the m files in this zip
motionsEstAnalysis.m Script to execute all Algorithms
motionEstES.m Exhaustive Search Algorithm
motionEstTSS.m Three Step Search Algorithm
motionEstNTSS.m New Three Step Search Algorithm
motionEstSESTSS.m Simple And Efficient Search Algorithm
motionEst4SS.m Four Step Search Algorithm
motionEstDS.m Diamond Search Algorithm
motionEstARPSm Adaptive Root Pattern Search Algorithm
costFuncMAD.m Mean Absolute Difference Function
minCost.m minimum cost among macro blocks
motionComp.m motion compensated image creator
imgPSNR.m finds image PSNR w.r.t. reference image
The test images can be found at http://cc.usu.edu/~arohb/caltrain.zip Platform: |
Size: 118784 |
Author:Yashil |
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Description: 运动估计块匹配算法
以下是工程中m文件的简单注释：
main.m 可通过主函数调用各种基本的块匹配算法
FullSearch.m 全搜索法（又称为Exhaustive Search）
ThreeStepSearch.m 三步搜索法（Three Step Search）
NewTSS.m 新三步搜索法（New Three Step Search Algorithm）
SESTSS.m 简便高效的三步搜索法（Simple And Efficient TSS）
FourSS.m 四步搜索法（Four Step Search）
DS.m 菱形搜索法（Diamond Search）
ARPS.m 自适应路径搜索法（Adaptive Root Pattern Search）
costFuncMAD.m 绝对误差均值函数
minCost.m 宏块间代价最小块
motionComp.m 图像重建
imgPSNR.m 计算图像的PSNR值-Block matching motion estimation algorithm The following is a simple project m file comments: main.m calls through the main function of basic block matching algorithm FullSearch.m full search method (also known as the Exhaustive Search) ThreeStepSearch.m three-step search method (Three Step Search) NewTSS.m new three-step search method (New Three Step Search Algorithm) SESTSS.m simple and efficient three-step search method (Simple And Efficient TSS) FourSS.m four-step search method (Four Step Search) DS. m diamond search method (Diamond Search) ARPS.m adaptive path search method (Adaptive Root Pattern Search) costFuncMAD.m mean absolute error between the cost of the function minCost.m macroblock most small motionComp.m calculated image reconstruction imgPSNR.m image PSNR value Platform: |
Size: 4724736 |
Author:alan |
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Description: 摘 要：基于块的运动估计是视频压缩国际标准中广泛采用的关键技术。在对目前运动估计快速块匹配算法研究的基础上，描述了运动估计
的原理；揭示 了在图像质量、搜索速度和压缩码率等方面提高算法效率时存在的3 类主要问题 ：初始搜索点的选择、匹配准则和搜索策略 ；
分另 q 阐述了目前常用的解决这3 类问题的方法，并进行了比较和分析 ；提出了对运动估计算法的一些展望。-Abstract: The block-based motion estimation is a video compression standard is widely used in international key technology. In the current fast block matching motion estimation algorithm based on the principles described in the motion estimation revealed in image quality, the search speed and compression rate and so improve the efficiency exists in the 3 principal issues: the initial search point selection, matching criteria and search strategies points q describes the other currently used to solve the 3 class problem, and compared and analyzed proposed motion estimation algorithm on some prospects. Platform: |
Size: 182272 |
Author:zjl |
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Description: This paper is a review of the block matching
algorithms used for motion estimation in video compression. It
implements and compares 7 different types of block matching
algorithms that range from the very basic Exhaustive Search to
the recent fast adaptive algorithms like Adaptive Rood Pattern
Search. The algorithms that are evaluated in this paper are
widely accepted by the video compressing community and have
been used in implementing various standards, ranging from
MPEG1 / H.261 to MPEG4 / H.263. The paper also presents a
very brief introduction to the entire flow of video compression Platform: |
Size: 102400 |
Author:Hari Prasad |
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Description: HBMA为基于块的分级匹配算法，是一种典型的运动估计算法，适用于特征追踪和运动估计-HBMA classification based on block matching algorithm is a typical motion estimation algorithm for feature tracking and motion estimation Platform: |
Size: 333824 |
Author:heyi |
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Description: 图像处理：计算一个视频序列的运动估计和补偿，TTS法搜索匹配块，并计算两帧图像的残差。-Image processing: computing the motion estimation and compensation of a video sequence, TTS method search for a matching block, and calculating the two image residuals. Platform: |
Size: 5120 |
Author:dj |
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Search - Block Matching for Motion Estimation a