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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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关于Steerable filtering decomposition 的matlab程序,- STEERGAUSS Implements a steerable Gaussian filter. This m-file can be used to evaluate the first directional derivative of an image, using the method outlined in:
W. T. Freeman and E. H. Adelson
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简单的方向滤波器，
带测试图的，
可以直接运行-Simple directional filter, with a test chart, you can directly run
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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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Design and Use of Steerable Filters PAMI1991文章的代码，含有测试图像和demo，可运行-It implements a steerable Gaussian filter.
This m-file can be used to evaluate the first directional derivative of an image, using the method outlined in:
W. T. Freeman and E. H.
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The LASIP routines for Color Filter Array Interpolation based on LPA-ICI:
- CFAI for noiseless data
- adaptation for noisy data
- CFAI for noisy data based on directional cross-color filters.-
The LASIP routines for Color Filter Array
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非下采样contourlet变换是一种较新的多尺度几何分析方法，能够很好地描述信号的线奇异特征，具有多方向滤波器组。-Nonsubsampled contourlet transform is a relatively new method of multiscale geometric analysis, can well describe the signal characteristics of the line singularity, with multi-directional fi
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DFBREC_L Directional Filterbank Reconstruction using Ladder Structure
x = dfbrec_l(y, fname)
Input:
y: subband images in a cell vector of length 2^n
f: filter in the ladder network structure,
can be a string naming a stan
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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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Implements a directional Gaussian filter.
it can be used to evaluate the first directional derivative of an image.-Implements a directional Gaussian filter.
it can be used to evaluate the first directional derivative of an image.
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Contourlets是由抽样的拉普拉斯金字塔(娜laeianPyramid，廿)滤波器和抽样的方向性滤波器组成的小波变换。兰州大学硕士论文，关于多分辨率分析的-Contourlets by sampling Laplacian pyramid (Na laeianPyramid, twenty) filter and sampling the composition of the directional wavelet transform filter. Master' s thesis
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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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使用双线性插值的图像旋转，和本站的其余旋转不同，我的旋转不会使图像缺角，好处就是旋转后他的傅里叶变换的频域图也旋转同样的角度，同样可以用来处理矩阵，来做滤波器，我在做方向滤波器，有兴趣要的可以m我。-Using bilinear interpolation, image rotation, and the rest of the rotation is the rotation does not make the image Cutaway, the advantage is that the
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我们设计和实验证明
布拉格光栅波分复用器
三波长的平面光波电路复用
公交车站台。1310和1550 nm的光，被设计成
由一个半周期通过定向耦合器分离后
和一个完整的周期耦合作用与0.07和0.19分贝的损失，
分别。1492 nm的光反射回来的布拉格
光栅对定向耦合器及其制作少损失
超过2分贝。我们也介绍和讨论新概念
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A novel fast and reduced redundancy structure for multiscale directional filter banks
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Pyramidal directional filter banks and curvelets
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Using phase and magnitude information of the complex directional filter bank for texture image retri
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此程序为暗原色先验去雾算法的改进算法，利用导向滤波估算透射率，属于图像去雾类算法。(This program is an improved algorithm of dark prior fog removal algorithm, which uses directional filtering to estimate transmittance, and belongs to the image defogging algorithm.)
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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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