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3下载：
% Matlab implementation of SPIHT (without Arithmatic coding stage)
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% By Jing Tian, scuteejtian@hotmail.com
fprintf('----------- Welcome to SPIHT Matlab Demo! ----------------\n');
fprintf('----------- Load
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深入研究对基于零树的小波图像压缩算法，利用多分辨分析对图像进行了小波分解，并利用零树编码算法对图像进行压缩。
-In-depth study of the zero-tree wavelet-based image compression algorithm using multi-resolution analysis of wavelet image decomposition, and using zero-tree coding algorithm for image compres
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Performance analysis of steganography is done for selecting better wavelet for application by analyzing Peak Signal Noise Ratio(PSNR) of different wavelet families like Haar, Daubechies, Biorthogonal, Reverse Biorthogonal & Meyer wavelet(dmey) on res
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