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This file contains a new and improved version of the Huffman coder, (June 29. 2001). The name is Huff06.m. There are also some additional files which are helpful when using Matlab for data compression: quantizer, different variants of run-length-enco
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一个很好的核主成分分析matlab程序应用举例。该程序是在前人的核主成分分析程序基础上做了适当的修改产生的，可用于多维数据的降维和压缩处理。-A good kernel principal component analysis matlab application procedures, for example. The program is in the predecessors of Kernel Principal Component Analysis based on the proce
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The frequency domain plays an important role in image
processing to smooth, enhance, and detect edges of images. Although
image data typically does not include imaginary values, the fast Fourier
transform (FFT) has been used for obtaining spect
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data compression, lossless methods, LZ family
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数据压缩，自动预测编码技术，matlab实现，带图-Data compression, automatic predictive coding technique, matlab achieve
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P0301：数字图像矩阵数据的显示及其傅立叶变换
P0302：二维离散余弦变换的图像压缩
P0303：采用灰度变换的方法增强图像的对比度
P0304：直方图均匀化
P0305：模拟图像受高斯白噪声和椒盐噪声的影响
P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308：图像的自适应魏纳滤波
P0309：运
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运动估计是视频编码的关键技术，其最基本的原理是利用相邻帧间的时间
相关性，通过预测来减少时间冗余度。在实际编码中，为了节省码率，并不传
输每一帧的全部数据，而是利用运动估计求出每一帧与其预测参考帧之间的差
值。运动估计越准确，差值的分布越趋近与零，差值块的能量越小，经过变换、
量化和熵编码后所产生的码流的比特位率也越少。因此，运动估计搜索的准确
程度直接影响到了编码的压缩性能。
-Motion estimation is the key to video encodin
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The QccPackSPECK module is a optional addon to the QccPack library for
the quantization, compression and coding of data. -The QccPackSPECK module is a optional addon to the QccPack library for
the quantization, compression and coding of data.
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MRI数据的三维表面可视化，数据是MATLAB自带的，程序包括轮廓线绘制，表面显示，正交剖切等-MRI data, 3D surface visualization, data that comes with MATLAB, the program includes contour line drawing, surface display, orthogonal split and so on.
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该程序（基于matlab）为小波变换在数据压缩方面的应用。原理：数据可分为高频部分和低频部分，高频部分反映了细节，而低频部分则反映概貌，故压缩部分应为高频部分。数据经此程序变换后将压缩为原来的一半。-This program (based on matlab) for the wavelet transform applications in data compression. Principle: Data can be divided into high-frequency part and
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主要应于简单小波数据压缩算法,并可以得到很好数据压缩效果.-Primarily on the simple wavelet compression algorithm, and can get a good data compression.
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The code implements the following paper:
Guorong Xuan, Jiang Zhu, Jidong Chen, Shi Y.Q., Zhicheng Ni, Wei Su, "Distortionless data hiding based on integer wavelet transform" IET Electronics Letters, Volume: 38, Issue 25, page 1646- 1648, Decembe
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In computer science and information theory, Huffman coding is an entropy encoding algorithm used for lossless data compression
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基于形态学的数据压缩代码，压缩比较高，对于低频的信号而言，可以达到20左右，相关性达到0.95以上。 compress.m 为压缩程序， decompress.m 为解压程序。-Based on morphological data compression code, high compression, low-frequency signals for terms up to 20 or so, related to 0.95. Compress.m for the compression p
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数据压缩中的GOLOMB CODE， MATLAB 代码以及 原始数据-Data compression GOLOMB CODE, MATLAB code, and the original data
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小波变换在图像数据压缩中的应用毕业论文，自己原创的，比较简单的压缩方法，供参考交流。版权所有，侵权必究。-Wavelet transform in image data compression using a graduation thesis, their original, simple compression method, and for information exchange. Copyright All Rights Reserved.
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信源编码 数据压缩matlab源程序 欢饮下载-Source coding data compression matlab source
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贝叶斯分类器 基于背景差分的运动目标检测 基于小波变换的图像压缩 基于BP的模型优化预测 基于RLS算法的数据预测 等等(Bias classifier is based on background difference moving object detection, wavelet based image compression, BP based model optimization prediction, RLS based algorithm for data predicti
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MATLAB实现主元分析法，实现数据的压缩，提取主元(MATLAB realize Principal Component Analysis, To achieve data compression, extract the principal component)
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Image compression is a hot topic in data compression schemes. The above MATLAB codes includes technique for compressing an image with Zero Tree Wavelet Algorithm. It is a different approach than traditional ones. GUI is also included along with the m
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