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lifting scheme Guide
lifting scheme指å—-lifting scheme Guide
- 2023-06-16 07:45:02下载
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关于二维小波变换的程序 [精华]
说明:此算法重在概念,速度并不是很快。因为FOR循环的缘故。此程序从循环矩阵的观点出发,把圆周卷积和快速幅里叶变换...
关于二维小波变换的程序 [精华]
说明:此算法重在概念,速度并不是很快。因为FOR循环的缘故。此程序从循环矩阵的观点出发,把圆周卷积和快速幅里叶变换建立了联系。实现了分解和无失真重构。它只做了一层分解,即将256x256图形分解成为64x64的四个图形,避免了使用WKEEP()的困惑。主要思想为用小波滤波器族构造正交阵W,变换写为B=W*A*W ,反变换为:A=W *A*W,这与所有正交变换无异。W为循环正交矩阵,因此可用FFT实现快速运算,难点就在重构矩阵上。若用矩阵概念明确,一个共扼转置可以搞顶。但FFT的使用必须找到与分解序列的关系。-on Wavelet Transform procedures [best] Note : This algorithm important concept is not speed quickly. Because FOR cycle nowadays. This program cycle from the point of view of Matrix, circular convolution and fast Fourier transform is established links. To achieve the decomposition and reconstruction without distortion. It only had one decomposition, 256x256 graphics will be 64x64 decomposition of the four graphics, avoiding the use of WKEEP () confusion. The main idea of using wavelet filter generator orthogonal array W, write to transform B = W* A* W, anti-Transform : A = W* A* W, which is orthogonal transformation all the same. W cycle orthogonal matrix, can be used to achieve rapid FFT computation, on the dif
- 2022-08-03 21:47:23下载
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基于小波变换的彩色图像压缩.
基于小波变换的彩色图像压缩.-based on wavelet transform color image compression.
- 2022-11-19 23:15:03下载
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Spread Spectrum Watermark
Spread Spectrum Watermark
- 2022-06-21 08:55:52下载
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小矢量变换
The Phaselet Transform - An Integral Redundancy Nearly Shift-Invariant Wavelet Transform(2001).rar-The Phaselet Transform- An Integral Redundancy Nearly Shift-Invariant Wavelet Transform(2001).rar
- 2022-03-19 19:55:23下载
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DCT变换的VC实现,对研究DCT如何用C实现有很大的参考作用,或可直接调用...
DCT变换的VC实现,对研究DCT如何用C实现有很大的参考作用,或可直接调用-DCT VC to study how to use C DCT achieve a great reference, or direct call
- 2022-03-26 02:17:15下载
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基于带参数整数小波变换可见数字水印,技术很前沿
基于带参数整数小波变换可见数字水印,技术很前沿-This is a visible watermark sourcecode based on a integral wavelet transformation with parameters.
- 2022-04-29 10:49:00下载
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一种基于小波变换的简单水印算法
一个简单的基于小波变换水印算法,抗攻击能力较强-A simple Watermarking Algorithm Based on Wavelet Transform, anti-attack ability
- 2022-12-29 21:00:03下载
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小波变换的快速离散算法实现及应用
小波变换的快速离散算法实现及应用-wavelet transform fast discrete algorithm and its application
- 2022-01-31 18:08:26下载
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小波变换学习的绝好资料,,不同于一般的数学抽象推导,一定要看看.我看了以后收获非常大...
小波变换学习的绝好资料,,不同于一般的数学抽象推导,一定要看看.我看了以后收获非常大-Exellent material for wavelet study. It is different from general mathematical calculations.
You should read it. I benefit a lot from reading it.
- 2022-07-17 07:33:28下载
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