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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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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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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.
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NSCT非下采样Contourlet变换,实现对图像的多尺度多方向分解,是一种真正的二维图像表示方法-NSCT nonsubsampled Contourlet transform, to achieve multi-scale multi-orientation image decomposition, is a true two-dimensional image representation
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EZW算法的过程详解和Matlab代码(1)构建扫描次序表(修正小波树结构)写出EZW算法的Matlab程序,可以实现图像的任意级别的小波分解和重构、以及任意精度的EZW编解码过程。下面,我们以一幅16*16的Lena局部图像经过3级小波分解后的小波数据为例详细的说明EZW算法的编解码过程,并给出相应的Matlab代码。-Explain the process of EZW algorithm and Matlab code (1) building a scan list (Amendment
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lena图像的分解将规范化后的图像的数据格式由适合显示图像的uint8格式转换为适合数值处理的double格式,再调用二维小波分解函数进行图像分解,最后为了清晰地显示分解图像的塔式结构,在图像的相应区域绘制若干分界线。
-lena image after decomposition of the standardized image data format suitable for display by the image is converted to uint8 format suita
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利用FFT快速运算技术来实现在二维图像领域上的稀疏分解过程。-The use of FFT techniques to achieve fast computing in the field of two-dimensional image of the sparse decomposition process.
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讲解了 MATLAB语言环境下
图像压缩和图像融合方面的基本方法和基于小波变换的图像分解与重构。-Explained the MATLAB language environment, image compression and image integration of the basic methods and wavelet-based image decomposition and reconstruction.
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MCA: image decomposition -MCA: image decomposition
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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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很好的小波应用实例文档,介总结内容有小波用于去噪、图像压缩、边界扭曲、图像融合、小波包的分解和重构等等,附详细的MAMTLAB代码-Application of wavelet good document, refer to summarize the contents of wavelet denoising, image compression, border distortions, image fusion, wavelet packet decomposition and recons
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使用MP将图像稀疏分解并且精确重构,其中使用2D的GA原子-MP will use the image sparse decomposition and perfect reconstruction, in which the GA using 2D atomic
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基于小波分解的车牌图像分割,基于matlab环境进行仿真。-License plate based on wavelet decomposition, image segmentation, matlab-based simulation environment.
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介始了图像增强的主要技术,特别是图像直方图、频率域滤波、彩色图像分解处理技术,有matlab代码。-Medium before the main image enhancement technology, especially the image histogram, frequency domain filtering, color image decomposition process technology, a matlab code.
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用matlab编写的基于Haar小波变换的图像增强处理,同时可实现小波正变换,小波逆变换,实现小波分解与重构源代码。-Written by matlab Haar wavelet-based image enhancement processing, and can achieve positive wavelet transform, inverse wavelet transform, wavelet decomposition and reconstruction to achieve t
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在matlab环境下对图片进行压缩,使用算法为矩阵的奇异值分解-Matlab environment in the picture compression algorithm using singular value decomposition of the matrix
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提出了一种基于小波变换可抗击几何攻击算法。在水印嵌人
部分# 首先对宿主图像进行小波分解
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嵌人水印, 再通过余弦变换求得该水印图像的一个特征向量, 利用该特征向量和水印
信息通过12 31 函数生成一个二值逻辑系列, 将该序列作为密钥/ 水印提取部分为# 对待测的图像进行小波变换, 再通过余
弦变换求得待测图像的一个特征向量, 利用该特征向量和密钥通过1 2 4 1 函数提取出水印。-Proposed based on wavelet transform algorith
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DCT is a image decomposition algorithm
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curvelet fuse , fusion approach
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WAVEFAST Perform multi-level 2-dimensional fast wavelet transform.
[C, L] = WAVE FAST (X , N, LP, HP) performs a 20 N-level FWT of
image (or matrix) X with respect to decomposition filters LP and
HP.
[C, L] = WAVEFAST(X, N, WNAME) performs the sa
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