Description: Keren的运动估计算法。可以精确到亚像素。在右上输入运动量,右下部分可以显示估计的运动量。比较两者可以知道算法的精确度。也可以直接输入两幅大小相同的图片,这时右上部分无效,右下将显示估计的结果。-Keren s motion estimation algorithm. Can be accurate to sub-pixel. Enter the amount of exercise in the upper right, lower right part shows the estimated amount of exercise. Comparing the two can be aware of algorithm accuracy. 2 can also directly enter the size of the same picture, when the right upper part invalid, the lower right will show the estimated results. Platform: |
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Author:Justin Y |
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Description: 块匹配运动估计算法研究与进展.pdf~~~~~很好很强大-Block-Matching Motion Estimation Algorithm Research and Development. Pdf ~~~~~ good strong Platform: |
Size: 320512 |
Author:YBY |
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Description: 这是一篇讲述运动估计中快速亚像素运动估计算法的文章,其中利用相邻匹配点匹配误差值减少待检测匹配点的方法有效地提高了算法的速度。-This is a fast motion estimation on the sub-pixel motion estimation algorithm of the article, in which the use of adjacent match points to reduce the matching error to be the method of detection of matching points effectively improve the speed of the algorithm. Platform: |
Size: 414720 |
Author:张颖 |
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Description: 基于光流法的一篇英文文章,作者总结了光流法的不同算法指出其操作细节,并提出了一个新的基于光流方程的运动估计算法,大大降低了时间复杂度。对要进行运动估计的朋友有较好的启发性。
-Optical Flow Method Based on an English article, the author summed up the law of different optical flow algorithm to point out the operational details, and proposed a new equation based on optical flow motion estimation algorithm, greatly reduced the time complexity. To carry out motion estimation of a friend have a better thought-provoking. Platform: |
Size: 560128 |
Author:刘宋 |
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Description: 图像中Up-conversion算法 使用运动估计来进行宏块估计,其中使用双向运动估计来提取信息-Up-conversion of images using motion estimation algorithm for macroblock estimates, which use bi-directional motion estimation to extract the information Platform: |
Size: 9707520 |
Author:wangxuyu |
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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: 】在对目前运动估计快速块匹配算法研究的基础上, 描述了运动估计的基本原理 揭示了提高运动估计效率的关键技术, 并对相关的算法进行了分析和比较 提出了运动估计算法今后的研究方向。-] In the current fast block-matching motion estimation algorithm based on the description of the basic principles of motion estimation revealed to enhance the efficiency of motion estimation of the key technologies, and related algorithm analysis and comparison of motion estimation algorithm proposed future research direction. Platform: |
Size: 67584 |
Author:孙翔 |
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Description: 双向亚像素运动估计算法,具体步骤如下:
(1) 进行整像素精度的双向运动估计;
(2) 以(1)得到的运动矢量所指向的像素点为中心,内插1/2像素点,再进行双向运动估计;
依此类推,直到得到所需的像素精度为止。
-Bi-directional sub-pixel motion estimation algorithm, concrete steps are as follows: (1) for the whole two-pixel accuracy motion estimation (2) to (1) obtained by the motion vectors point to point as the center pixel, interpolation 1/2 pixel points, bi-directional motion estimation again and so on, until the necessary pixel accuracy so far. Platform: |
Size: 24576 |
Author:郑丹 |
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Description: 包含了H.264编码标准的两篇文章,是讲多描述编码的。An Effective Epipolar Geometry Assisted Motion Estimation Technique for Multi-View Image and Video Coding和An Epipolar Geometry-Based Fast Disparity Estimation Algorithm for Multiview Image and Video Coding-H.264 coding standard contains two articles, is the stress of multiple description coding. An Effective Epipolar Geometry Assisted Motion Estimation Technique for Multi-View Image and Video Coding and An Epipolar Geometry-Based Fast Disparity Estimation Algorithm for Multiview Image and Video Coding Platform: |
Size: 2027520 |
Author:李成亮 |
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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: 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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