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本代码是本人于前年完成的利用小波变换技术实现的图像分解与合成的MATLAB源代码.详细的说明见本人的个人主页,上面有详细的说明和测试结果,数据绝对准确可靠.本人现在正在研究语音压缩算法,主要是MELP算法.从网上搜索到这里正好有本人所要参考的源代码,如能赐予,万分感谢.邮箱:liwh@ruyi.com电话:133251646-the code is completed in the year before last I use wavelet transform technique of ima
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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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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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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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Douglas-Peucker是曲线拟合和压缩数据的最好方法，本人编辑这个程序方便大家调用，拟合压缩曲线。-Douglas-Peucker curve fitting and the compression of data is the best way, I called you to edit this program to facilitate the fitting compression curve.
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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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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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用MATLAB实现数据压缩中的DCT变换，程序里有比较详细的说明。-DCT transform data compression using MATLAB program, a more detailed explanation.
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基于贪婪连续语法变换的高效通用无损信源压缩算法。本算法主要基于杨恩辉教授的论文。程序分两部分，C#部分进行语法分析，matlab部分进行数字编码。-lossless source compression algorithm based on greed sequantial grammar transform . This algorithm is based on Professor Yang Enhui papers. Program consists of two parts, C# pa
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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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