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二维小波变换
- 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
ConstructWaveBaseFunction.rar
- 紧支撑小波基的构造。 以Daubechies小波滤波器系数为例，推导出小波函数及尺度函数，并画出其图像. void Convolution(double* pShortData, int nShort, double* pLongData, int nLong) int CalcScaleFunction(double* pOutData) int CalcWaveletFunction(double* pOutData) Convolution()不是通用的离散卷积代码，而
fft2
- 基于vc6.0实现fft与卷积的方法，本例经过测试，绝对好用-Fft-based implementation vc6.0 and convolution methods tested in this case, the absolute ease of use
conv
- 本文介绍在研究生阶段研究的最新卷积程序，希望有用。-This article describes the stages of postgraduate study at the latest convolution process, seek to help.
DiscreteWaveletTransform
- 小波轉換(Discrete Wavelet Transform, DWT)，所先對原圖水平做低頻和高頻的 convolution 之後降 頻，再做垂直的低頻和高頻的convolution，最後再降 頻，得到 結果。-Wavelet transform (Discrete Wavelet Transform, DWT), the first level of the Original low-frequency and high frequency of the c
Wave
- This a Wavelet Transform of the C++ Code.It has two-way approch. Convolution/Lifting using CDF9/7 filter-This is a Wavelet Transform of the C++ Code.It has two-way approch. Convolution/Lifting using CDF9/7 filter
Wavelet-transform--application
- 小波变换是近年来发展起来的一门新的数学分支 它适宜于分析研究信号的局部性质, 对 于图象数据压缩、奇性检测、非卷积型算子的化简及取样插值定理等方面都有着重要的应-Wavelet transform is developed in recent years a new branch of mathematics it suitable for the local nature of the signal analysis for image
Two-kinds-of-wavelet
- 小波变换是近年来发展起来的一门新的数学分支 它适宜于分析研究信号的局部性质, 对 于图象数据压缩、奇性检测、非卷积型算子的化简及取样插值定理等方面都有着重要的应-Wavelet transform is developed in recent years a new branch of mathematics it suitable for the local nature of the signal analysis for image
1-D-wavelet
- 一维离散小波变换和逆变换 mallat算法的实现，不是用卷积实现-One-dimensional discrete wavelet transform mallat algorithm, not the realization of convolution
Wavelet-signal-
- 小波信号分解与重构的Matlab程序，程序里边涉及卷积的直接调用的Matlab的conv()函数。-Wavelet signal decomposition and reconstruction in Matlab,Program inside invoked directly related to the convolution of Matlab conv () function.
fsb
- 用于单道反射波记录道的形成！用的褶积模型-For single word formation of reflection wave record way! The seismic convolution model with
convolution3D_FFTdomain
- 在FFT域的三维卷积积分处理-Achieve a 3D convolution in the fourrier domain.
dfttransform
- 利用DFT对CTFT逼近。其中包括抽样、周期延拓、卷积、截短等。-Approximation using DFT CTFT. Including sampling cycle extension, convolution, truncated.
matlAB-ge-zhong-bian-huan
- 基于matlAB的切比雪夫、FFT频谱分析、FFT线性卷积、巴特沃斯程序代码，自己编写的-Based on The Chebychev matlAB the FFT spectrum analysis, FFT linear convolution code Butterworth own written
newton_diff1
- 基于牛顿插值方法，由位置微分得到速度。给出卷积系数-Newton interpolation method by position differential speed. Given convolution coefficients
Fresnel
- 菲涅尔变换的一种卷积算法，计算非常快而且很好用-Fresnel transform of a convolution algorithm, the calculation is very fast and it just works
Fr
- 菲涅尔变换的一种卷积算法，计算非常快而且很好用-Fresnel transform of a convolution algorithm, the calculation is very fast and it just works
Gabor-Matlab
- Gabor滤波 默认5个尺度，8个方向 每次卷积后将结果拉成一维向量，再将每次卷积结果串起来。 -Gabor filter default 5 scale, eight directions of each convolution result will be pulled into one-dimensional vector, and then each convolution results to string together.
test
- 利用matlab，对线卷积、圆卷积、overlap_add、overlap_save四种方式的时间效率进行对比，输出所用时间。 简单浅显易懂，适合初学者-Use matlab, on line convolution, convolution round, overlap_add, overlap_save time-efficient four-way comparison, the output of the time spent. Simple and easy to understa
convolution
- implemation of convolution in cuda programing