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Matlab编写的SPIHT 也叫层树分集压缩算法
本算法目前适合处理8*8的矩阵
<由于时间关系 本算法还不能对大的图像进行操作 但是主要的思想算法都在 只要稍做修改即可>希望对大家会有帮助
-Matlab prepared SPIHT also called tree diversity layer compression algorithm suitable for the processing algorithm currently 8 * 8 the Matri
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JPEG壓縮子程式 for matlab
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实现视频压缩功能,是最近比较新颖的压缩标准下的视频的图象压缩,Video compression is a relatively new design is the recent video compression standard for image compression
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已知两个不同图像块亮度数据如下:
(1)分析DCT原理,采用DCT方法,编程并计算相应的DCT系数,分析系数分布特点。
(2)依据视觉特性分析量化表步长的分布特点,完成DCT系数量化。
(3)采用Z形扫描,实现输出数据的统计编码,形成Video stream。
(4)采用IDCT重建图像亮度数据,计算SAD大小,分析产生误差的原因及采用DCT进行数据压缩的原理。( )
(5)分别利用左上角1、3、6个系数重建图像,计算相应的SAD,并由
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全搜索 运动估计 多媒体视频压缩 包含motion矢量算法和test文件进行运动估计-Full search motion estimation includes motion vectors of multimedia video compression algorithms and test files motion estimation
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A/u 律PCM 编码及恢复,分为A 率压缩公式编码、A 率扩张解码、A 率13 折线编码-A/u law PCM coding and restoration, is divided into A formula for the rate of compression coding, A rate of expansion of decoding, A rate of 13 line coding
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构造小波基的Matlab源代码,来自小波图像压缩教程-Construction Wavelet Matlab source code, from the wavelet image compression tutorial
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it is proposed an efficient approach for compression microarray images. It is utilized a hybrid wave
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语音压缩编码原理介绍和实现方法,对语音编码的初学者入门快。-Introduce the principle of voice compression coding methods and the implementation of speech coding beginner quick entry.
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matlab下mpeg编码源程序,高效,帮助文件详细。-matlab source code for the mpeg encoding.
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this matlab program for frame compression-this is matlab program for frame compression
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这个程序实现了MPEG2的视频压缩,用于Internet上视频流的处理(IP流还没有实现),程序的注释相对比较少,所以可能比较难理解些。-this is the implementation of mpeg2 compression for doing streaming over internet (streaming over IP is not implemented yet) this code might be difficult to understand bcz very litt
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此程序主要是通过使用小波达到音频压缩的目的,可以比较不同的小波函数和压缩次数音频文件的差异-This process is mainly achieved through the use of wavelet purpose audio compression, you can compare different compression of the wavelet function and the difference in the number of audio files
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利用预测的方法实现图像的压缩,可以应用于光谱图像谱间去相关-The use of projected images of the compression method can be applied to spectral-spectral images to the relevant
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Video Compression Algorithms
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用MPGE进行压缩编码的变比特率视频流的建模方法介绍和步骤-MPGE compression with variable bit rate encoded video stream modeling methods and steps for introduction
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《多媒体技术》实验教学指导书及大纲
实验项目一:多媒体图形文件转换
实验项目二:多媒体图形文件压缩
实验项目三:超媒体Web站点-" Multimedia Technology" experimental teaching guide book and an outline of the pilot project: multimedia graphics file conversion pilot project in two: multimedia graphi
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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
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进行Video Epitomes分析提取,得到缩略图、压缩图-Video Epitomes analysis performed to extract, get thumbnails, compression Figure
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ExtractFrames for video compression
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