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SPIHT(Matlab).zip
- % Matlab implementation of SPIHT (without Arithmatic coding stage) % % By Jing Tian, scuteejtian@hotmail.com fprintf('----------- Welcome to SPIHT Matlab Demo! ----------------\n'); fprintf('----------- Load
homework.m
- 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
fore
- 基于小波变换的图像压缩方法,主要是理论方面的介绍!小波分解等-based on wavelet image compression method, the theory is introduced! Other wavelet decomposition
SPIHT-compress
- 输入:为需要压缩图象的名称,该主程序仅能构处理256灰度图,读者可以自行改编为RGB处理;ratio为压缩比率;level为小波分解的级数 输出:是解压完毕的图象数据矩阵-input : the need for image compression name, the main program can only handle 256 gray level structure, Readers can own adaptation of RGB; ratio of compression ra
LiftingWaveTransform
- 此为基于二代提升小波的阈值压缩算法源码,其中可以设置小波变换的分解层数,使用的小波名称,及各层阈值设置计算公式中的参数。并将低频系数转化为十六进制,方便在其上进一步压缩,如采用Huffman压缩等,程序思路清楚,附有完整的注释,可以使用多种小波,并且很好得体现了二代小波的思想,对于初学小波者帮助很大。-based on the second generation of this upgrade wavelet compression algorithm threshold source, whi
2007202131
- Image Compression A collection of simple routines for image compression using different techniques. 图象压缩的不同方法 BTCODE: Image compression Using Block Truncation Coding. PYRAMID: Image compression based on Gaussian Pyramids. DCTC
图像压缩的几个MATLAB算法
- 图像压缩的几个MATLAB算法:分块编码、高斯金字塔、离散余弦变换、单值分解。-Image Compression Algorithm several MATLAB : Block Coding, Gaussian pyramid, discrete cosine transform, singular value decomposition.
ezwPspiht
- ezw图像压缩算法和spiht图像压缩算法-The SPIHT function in this toolbox are listed as follow: func_SPIHT_Demo_Main-- Main function func_SPIHT_Eec-- Encoder func_SPIHT_Dec-- Decoder func_DWT-- Wavelet decomposition func_InvDWT-- Inverse wavelet e
xiaobofenxi
- 小波分析 多尺度一维小波分解 对一维小波系数进行单支重构-Wavelet analysis,One-dimensional multi-scale wavelet decomposition Wavelet coefficients of a Single-dimensional reconstruction
3D-WT
- 对视频序列进行三维小波变换,然后进行三维SPIHT压缩编解码,达到视频压缩的目的-three-dimension wavelet decomposition,3D-SPIHT,
platereco
- 车牌检测,程序简单易懂,识别率高。包括分解步骤和一次执行。-License plate detection, easy-to-understand procedures, a high recognition rate. Including the decomposition steps and the first performance.
extr_onesrc2
- 基于稀疏分解的单个信号盲分离,从多个混合信号中,提取出我们需要的信号-Sparse decomposition based on a single blind signal separation, from the number of mixed-signal, we need to extract the signal
xiaoshutuxiang
- 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
IMAGECOMPRESSION
- In this letter,we propose a new image compression method that combines image decomposition,wavelets and 2G bandelets together.-此资料中,我们提出了一种新的图像压缩的方法,就是把图像压缩,小波变换和第二代班德变换结合起来。
MatlabimplementationofEZW
- Matlab implementation of EZW (Embedded Zerotree Wavelet). The function in this toolbox are listed as follow: func_ezw_demo_main -- Main function func_ezw_enc -- Encoder func_ezw_dec -- Decoder func_DWT -- Wavelet decomposition fun
PQ-powerflow
- 运用P-Q分解法进行电力系统潮流计算,本程序用的是IEEE-14标准节点数据。-PQ decomposition method using power flow calculation, this procedure is used in standard IEEE-14 node data.
mallat
- 对一维语音信号进行分解和重构运算,最后比较原信号与生成信号的区别-On the one-dimensional speech signal decomposition and reconstruction operations, and finally compare the original signal and the difference between the signal generated
xiaobo_matlab
- 此示意程序用DWT实现二维小波变换 1.调原始图像矩阵load wbarb 2.进行二维小波分解l=wfilters( db10 , l ) 3.分解结果显示figure(1) -This indicated procedures used to achieve two-dimensional wavelet transform DWT 1. Emphasized the original image matrix load wbarb 2. For two-dimen
Image-compression-algorithm
- 一系列展示图像压缩技术的源代码。包括有:使用块截断编码的图像压缩(Block Truncation)、基于高斯金字塔变换的图像压缩(Gaussian Pyramids)、基于离散余弦变换对图像压缩(Discrete Cosine Transform)、基于奇异值分解(SVD)的图像压缩(Singular Value Decomposition)。给出的代码还可以用于2D图像噪声消除。-Series show the source code for image compression techno
61IC_H4231
- PAV (H265) 是 音视频 压缩解压 协议,非常不同于H264/MPEG4,ZPAV (H265) 的基本算法 是 小波,多级树集合群,广义小波,数学形态小波,...... ZPAV (H265) 基本算法 : 1,图象与声音分解与合成 :小波 ; 2,图象与声音前处理 :小波子带零交叉降噪,目标纹理处理,语音处理 ; 3,速率控制 :小波子带熵速率控制 ; 4,量化与反量化 :小波子带熵量化与反量化 ; 5,低频分量和高频分量的降维 :小波子带邻域交