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#SurfBox: MATLAB and C++ toolbox that implements the new directional filter bank and the surfacelet transform as described in the paper Multidimensional directional filter banks and surfacelets.
,#SurfBox: MATLAB and C++ toolbox that implements the
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Contourlet Toolbox (Version 2.0)
Demos
DECDEMO Demonstrates contourlet decomposition and reconstruction
NLADEMO Demo for contourlet nonlinear approximation.
NLADEMO2 Nonlinear approximation demo using only the finest scale
DENOIS
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PDTDFB toolbox
The filter bank is described in:
The Shiftable Complex Directional Pyramid—Part I: Theoretical Aspects
The Shiftable Complex Directional Pyramid—Part II: Implementation and Applications
IEEE transaction on singnal pro
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BACKSAMP Backsampling the subband images of the directional filter bank
y = backsamp(y)
Input and output are cell vector of dyadic length
This function is called at the end of the DFBDEC to obtain subband images
with overall
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A filter bank structure that can deal effectively with piecewise smooth images with smooth contours, was proposed by Minh N Do and Martin Vetterli. The resulting image expansion is a directional multiresolution analysis framework composed of contour
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A filter bank for the directional decomposition of images Theory and design
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Using phase and magnitude information of the complex directional filter bank for texture image retri
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这篇论文提出了一种较好的水下图像增强的方法。首先使用经过端到端训练的卷积神经网络去测量输入图片，同时以自适应双边滤波器对传输图片进行处理。接着提出一种基于白平衡的策略来消除图片的颜色偏差，用拉普拉斯金字塔融合获得无雾和色彩校正图像的融合结果。 最后，输出图像被转换为混合小波和方向滤波器组（HWD）域，用于去噪和边缘增强。 实验结果表明，该方法可以消除颜色失真，提高水下图像的清晰度。(This paper proposes a better underwater image enhancement
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