Description: 基于intel IPP的MPEG2视频解码器，对反离散余弦变换和运动补偿进行了优化，可轻松胜任1920×1088分辨率的视频解码-The mpeg2 decoder based on intel IPP optimize IDCT and motion compensation and decode the 1920*1088 resolution of video easliy. Platform: |
Size: 301227 |
Author:王斌 |
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Description: 图像处理领域，视频序列全局运动补偿的一个程序。-image processing, video sequences Global Motion Compensation of a procedure. Platform: |
Size: 919 |
Author:崔顾 |
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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: 303049 |
Author:李杰 |
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Description: 图像处理领域，视频序列全局运动补偿的一个程序。-image processing, video sequences Global Motion Compensation of a procedure. Platform: |
Size: 1024 |
Author:崔顾 |
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Description: MPEG-2视频压缩编码.主要包括DCT变换,对DCT变换得到的系数进行量化,和熵编码,运动估计,运动补偿等内容.可参考书籍《Visual C++实现MPEG/JPEG编解码技术》来进行学习。-MPEG-2 video compression encoding. Mainly include the DCT transform, the DCT transform coefficients to quantify, and entropy coding, motion estimation, motion compensation and so on. May refer to the book Platform: |
Size: 219136 |
Author:周里 |
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Description: 一个视频压缩的小程序，通过间隔性的捕捉图象，预测，补偿。来压缩图像，从而达到压缩视频的目的。-A small video compression process, through the capture间隔性images, prediction, compensation. To compress images, so as to achieve the purpose of compressed video. Platform: |
Size: 12354560 |
Author:li |
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Description: 可伸缩视频中的5_3小波变换。运动补偿时间滤波是一种有效的可伸缩视频编码方案,采用5 /3提升小波实现能进一步提高其编码性能-Scalable video in the wavelet transform 5_3. Time motion compensation filter is an effective scalable video coding schemes, using 5/3 lifting wavelet to achieve further improve its coding performance Platform: |
Size: 6144 |
Author:fengyongsheng |
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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: 解Demosaici，使用连续逼近的方法！-Motion-compensated (MC) video coding has been dominating in the past decades. From MPEG-1/2 to MPEG-4, H.263 and the latest H.264, we have witnessed that the accumulative improvement of MC video coding. However, what lacks in the standardization-propelled research is to maintain a healthy skeptism toward the role of MC in video coding. In this project, we attempt to challenge the current video coding paradigm by proposing a sound alternative that does not involve any explicit motion estimation or compensation. Instead, motivated by the duality between edge profile of 2D images and motion trajectory of 3D video Platform: |
Size: 34816 |
Author:panhanming |
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Description: This code will give mpeg2 video compression. It will give figures of motion estimation and motion compensation Platform: |
Size: 2682880 |
Author:nagarjuna |
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Description: 该方法可以用于复制场景的视频检测监控，采用灰度投影算法匹配进行全局运动估计和补偿，用以消除背景变化的影响；二次对称差分算法，用数学形态学对图像进行处理，该方法不受光线，摄像机抖动，场景等变化的干扰影响，具有较强的实时性，效果不错！-This method can be used to copy the scene of the video inspection and monitoring, using gray-scale projection algorithm to match the global motion estimation and compensation, to eliminate the background change second symmetric difference algorithm, using mathematical morphology image processing, the method not light, camera shake, scene changes and other disturbances, has a strong real-time, good results! Platform: |
Size: 303104 |
Author:hezz |
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Description: Video Compression using Content-Based Motion Compensation
---------------------------------------------------------
This demo Requires MATLAB (and the Image Processing Toolbox)
Tested on MATLAB 7.0 (R14).
Run one of the following three MATLAB scripts:
* DemoEncodeCrowd (encodes some frames from the "crowd" sequence)
* DemoDecodeCrowd (decodes the previously encoded frames)
* DemoDecode (generic decoder)
Note that the encoding script can be modified so that the user can specify the values of a number of input variables.
This code is VERY SLOW. A lot could be done to speed it up!
In MS-Windows, use the YUV file player to view YUV files.
-----------------------------------------
Based on the PhD Research of Marc Servais
www.ee.surrey.ac.uk/CVSSP/VMRG/hdtv/
-Video Compression using Content-Based Motion Compensation
---------------------------------------------------------
This demo Requires MATLAB (and the Image Processing Toolbox)
Tested on MATLAB 7.0 (R14).
Run one of the following three MATLAB scripts:
* DemoEncodeCrowd (encodes some frames from the "crowd" sequence)
* DemoDecodeCrowd (decodes the previously encoded frames)
* DemoDecode (generic decoder)
Note that the encoding script can be modified so that the user can specify the values of a number of input variables.
This code is VERY SLOW. A lot could be done to speed it up!
In MS-Windows, use the YUV file player to view YUV files.
-----------------------------------------
Based on the PhD Research of Marc Servais
www.ee.surrey.ac.uk/CVSSP/VMRG/hdtv/
-----------------------------------------
Platform: |
Size: 19207168 |
Author:mohammad665 |
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Description: 针对视频序列的超分辨率重建,提出了一种动态自适应滤波方法. 在最大后验概率估计和加权最小二乘
的基础上,给出视频序列超分辨率重建数学模型 深入研究了运动补偿矩阵和权值矩阵的构成和性质 详细推导了
自适应滤波器的递推公式 分析了算法的存储与计算复杂度. 仿真实验表明该算法的重建结果相当有效,相比双三
次插值和无运动补偿的单帧迭代重建,可以获得一定的PSNR 增益 与Elad 滤波方法相比,具有更小的计算量和
更强的自适应性和鲁棒性.-Super-resolution for the reconstruction of video sequence, a dynamic adaptive filter. The maximum a posteriori probability estimation and weighted least squares, based on the super-resolution reconstruction of video sequence is given mathematical model in-depth study of the motion compensation matrix and weighted matrix composition and properties detailed derivation of the adaptive filter recurrence formula analysis of algorithms for the storage and computational complexity. Simulation results show that reconstruction of the algorithm very effective, compared to bicubic interpolation and non- Iterative reconstruction of single-frame motion compensation, allowed a certain PSNR gain and Elad filtering method, the calculation has a smaller volume and greater adaptability and robustness. Platform: |
Size: 269312 |
Author:redxuech |
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Description: 运动补偿是一种描述相邻帧（相邻在这里表示在编码关系上相邻，在播放顺序上两帧未必相邻）差别的方法，具体来说是描述前面一帧（相邻在这里表示在编码关系上的前面，在播放顺序上未必在当前帧前面）的每个小块怎样移动到当前帧中的某个位置去。这种方法经常被视频压缩/视频编解码器用来减少视频序列中的空域冗余-The motion compensation is a description of the adjacent frame (adjacent represented here on the coding relationship adjacent two, on the playback sequence not necessarily adjacent) difference method, specifically the one described earlier (adjacent said herein the coding relationship in front of, on the playback sequence not necessarily how each small block in the current frame the front) to move to a location in the current frame to go. Such methods are often video compression/video codec used to reduce the redundancy of the airspace in the video sequence Platform: |
Size: 10803200 |
Author:张怡然 |
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Description: 视频稳像的程序，matlab实现，内容很全，运动估计，运动补偿-Video image of the program, matlab, content is very full, motion estimation and motion compensation
Platform: |
Size: 49152 |
Author:d |
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Search - video compensation