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  • ellipticalFourierDescriptors.zip elliptical Fourier Descriptors, 椭圆傅立叶描述子, 对shape匹配很有用,没有解压密码
  • numpy-1.0.3.1.win32-py2.5.rar ... package contains: * a powerful N-dimensional array object * sophisticated (broadcasting) functions * basic linear algebra functions * basic Fourier transforms * sophisticated random number capabilities * tools for integrating Fortran code.
  • FFT.rar FOURIER TRANSFORMATION FOR IMAGE, TO USE IT TO DO FOURIER TRANSFORMATION
  • timefrequencyanalysis.rar 短时fourier变换 tfrstft计算离散信号x(t)
  • FFT-1D.rar 本fortran程序用来实现对一维数组进行一维快速Fourier变换
  • NPL-all.rar ... Numerical Photonics library written in C++. The library includes beam propagation method, coupled mode method, Bragg Gating Analysis, transfer matrix method, and vectorial Fourier Decomposition method. Very useful in simulating integrated Photonic devices
  • 3-DStemPlotofanFFT.rar Example - 3-D Stem Plot of an FFTFor example, fast Fourier transforms are calculated at points around the unit circle on the complex plane. So, it is interesting to visualize the plot around the unit circle. Calculating the unit circle.
  • digitalimageprosessing.rar 包括灰度图像和彩色图像处理两部分,灰度图像处理:256色转变成黑白色,对比度拉伸,二值化,反色,亮度增加,取对数,取指数,直方图均衡化,图像镜像,图像平移,图像缩放,图像旋转,高斯平滑,均值滤波,拉普拉斯锐化,梯度锐化,中值滤波,DCT变换,Fourier变换,Walsh变换,方块编码,细化,Canny算子,浮雕,雕刻,Sobel
  • DigitalTransforms.rar 该压缩包中包含了各种波变换,包括最基础的Fourier变换、DCT变换、Walsh变换和小波变换。
  • imageprocessing1.rar 实验内容: 1.求下列3个模板的频率响应,并显示其三维图形;选择一幅图 像,利用这3个模板分别对该图像进行卷积运算,将卷积运算 获得的图像与原始图像进行比较,说明各模板的类型以及模板 (b)、(c)的区别与联系。 2. 选择一幅图像,对其进行离散Fourier变换,仅利用其相位谱重构原图像,然后仅利用其振幅谱重构原图像,比较实验结果; 选择两幅不同类型的图像,分别进行Fourier变换,交换二者的相位谱后求Fourier反变换,比较实验结果,说明图像Fourier相位谱的重要性。