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matlabf非常好基于Contourlet变换的水印算法.与小波变换不同的是Contourlet变换采用类似于线段（contoursegment的基得到一种多分辨、局部化、方向性的图像表示。水印信号通过基于内容的乘性方案加载到Contourlet 变换系数-matlabf very good Contourlet Transform-based watermarking algorithm. and wavelet transform is different Contourlet trans
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Abstract—The contourlet transform is a new two-dimensional
extension of the wavelet transform using multiscale and direc-
tional fi lter banks. The contourlet expansion is composed of
basis images oriented at various directions in multiple
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能实现基于vc的超小波contourlet变换（轮廓波），完全重构。-To wavelet-based ultra-vc contourlet transform , perfect reconstruction.
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This paper presents a new coding technique based on
contourlet transform and multistage vector
quantization. Wavelet based Algorithms for image
compression results in high compression ratios
compared to other compression techniques. Wavelets
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WAVELET-BASED CONTOURLET TRANSFORM
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基于contourlet变换的图像去噪 与小波变换的对比-Contourlet transform based image denoising Comparison with the Wavelet Transform
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In this paper, a multimodal image fusion algorithm based on multiresolution
transform and particle swarm optimization (PSO) is proposed.
Firstly, the source images are decomposed into low-frequency coefficients and
high-frequency coefficients b
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本文研究了基于小波变换的几何信息特性和变分问题的图像分解改进算法，实现Contourlet变换和小波变换相结合的图像增强改进算法。表明改进算法在增强有用信号的同时较大限度地抑制图像噪声。-This paper studies the geometric features based on wavelet transform and variational image decomposition improved algorithm Contourlet transform and wavelet
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