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[Multimedia programsamples(me)

Description: 运动预测块匹配算法-Block-Matching Motion Estimation Algorithm
Platform: | Size: 7168 | Author: | Hits:

[Special Effectsmotionest

Description: 用块匹配法进行运动估计的matlab实现方法,返回运动矩阵-block matching method used for motion estimation method of Matlab, the return movement Matrix
Platform: | Size: 1024 | Author: yr | Hits:

[OtherVideoPrecessingAndCommunicationsPPT

Description: 一份英文的视频处理与通信的教学用PPT。其中关于块匹配运动估计讲的非常详细。非常好。值得下载学习。-An English video processing and communication of teaching PPT. On the Block-Matching Motion Estimation speak very detailed. Very good. Worth downloading learning.
Platform: | Size: 9015296 | Author: 小静 | Hits:

[Multimedia programmotionestimationalgorithm

Description: 运动估计块匹配算法,适用于各种视频编码格式-Block-matching motion estimation algorithm, applicable to a variety of video encoding formats
Platform: | Size: 522240 | Author: 张三 | Hits:

[AI-NN-PRBlockMatching

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 | Hits:

[Streaming Mpeg4H.263DSP

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: | Size: 2752512 | Author: liu | Hits:

[Special EffectsECCV92

Description: 一篇经典的运动估计分层块匹配英文文章Hierarchical Model-Based Motion Estimation-A classic block-matching motion estimation stratified English articles Hierarchical Model-Based Motion Estimation
Platform: | Size: 3359744 | Author: anyaozu | Hits:

[Graph programAFastBlock2matchingMotionEstimationAlgorithm

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 | Hits:

[Graph programBlockMatchingAlgorithmsforMotionEstimation

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 | Hits:

[Graph programBlockMatchingAlgorithmForMovementEstimation

Description: 采用块匹配方法对视频进行运动估计,获得运动估计的运动向量。-Using block-matching method of video motion estimation, motion estimation to obtain the motion vectors.
Platform: | Size: 785408 | Author: farmer | Hits:

[Special EffectsBlockMatchingMethodsConsideringSmoothnessofMotionV

Description: 考虑运动向量平滑的块匹配运动估计方法,matlab代码-Consider the motion vector smoothing method of block matching motion estimation, matlab code
Platform: | Size: 3072 | Author: fang | Hits:

[2D Graphic20040224_ME_Programs

Description: Fast Block Matching Motion Estimation Algorithms Source Code
Platform: | Size: 14336 | Author: nhiepfong | Hits:

[Streaming Mpeg4VLSL-Design-of-High-Performance-Full-search-Block-

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: | Hits:

[VC/MFCvideocompressionpaper

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 | Hits:

[OtherFastvariableblocksizemotionestimationalgorithm

Description: 本文提出并得出快速可变块大小运动估计算法,在此基础上分析比较H264、MPEG4、AVC视频编码算法。文中提供的算法减少运算,以较少的运算量获得较高的图像质量。-This paper proposes and investigates fast variable block-size motion estimation algorithms based on merge and split procedures for H.264/MPEG-4 AVC video encoding. The algorithms take advantage of the correlation of the Motion Vectors (MVs) of the different block-size modes, to achieve good computation reduction. Experimental results show that the number of search points can be reduced to about 4 of that using full-search motion estimation, with negligible quality degradation.
Platform: | Size: 121856 | Author: 成果 | Hits:

[matlabBasicMotionVectorEstimation

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 | Hits:

[matlabmotionEstES

Description: block matching for motion estimation techniques using the full search
Platform: | Size: 1024 | Author: gol | Hits:

[Graph programMotionEstimationquickalgorithm

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 | Hits:

[matlabquansusousuosuanfa

Description: 函数的作用是执行1/4像素精度的运动估计 f1是参考帧,f2是匹配帧 函数首先对初始图像进行分辨率提高4倍的双三次插值 再进行基于块匹配的全搜索运动估计-Full search block matching based motion estimation
Platform: | Size: 1024 | Author: 水中天 | Hits:

[Otherblock-matching-motion-estimation

Description: 块运动估计搜索算法 包含十字搜索 菱形法 钻石法 等等 matlab-search algorithm for fast block-matching motion estimation
Platform: | Size: 18462720 | Author: 郑冠雄 | Hits:
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