搜索资源列表
2dfft
- 二维fft变换,通过一维fft变换转换成二维fft变换。-2D fft transform, convert two-dimensional one-dimensional fft transform fft transform.
xiaobo
- 二维小波变换经典程序的图像回复MAtlab代码以及注解-Reply MAtlab dimensional wavelet transform the image of the classic program code and comments
myfunction
- 这是一个计算离散傅里叶变换的程序,他可以计算一维和二维的的离散傅里叶变换及逆变换-It is a function of DFT
DFT-and-DCT-transformations
- 二维离散傅里叶变换和离散余弦变换同属于图像的二维正交变换,它们在图像处理中有 着极为重要的应用价值。利用这些正交变换可以获得图像的频域信息,从而实现图像的增强、复原、编码和描述。本文将描述对图像进行DFT 和DCT 变换的过程。在进行DFT 变换后,还会将图像的幅频、相频特性进行置换操作后反变换,并探讨其中的规律;而在DCT 变换后,还将探讨如何选取DCT 系数点以实现图像的复原。请先阅读压缩包内的pdf文档。-This code implements the DFT and DCT tra
Walsh---Hadamard-transform
- 二维图像的沃尔什-哈达玛变换matlab实现。-Two-dimensional image of the Walsh- Hadamard transform matlab.
2D_WaveletImgCompress
- 关于二维小波变换的一个程序,比较简单,方便使用!-2D DWT
tuxiangzengqiang
- 图像增强可分成两大类:频率域法和空间域法。前者把图像看成一种二维信号,对其进行基于二维傅里叶变换的信号增强。-Image enhancement can be divided into two categories: frequency domain and space domain method. The former image as a two-dimensional signal, its based on the two-dimensional Fourier transform of
Wave
- 一个二维小波变换的程序代码,运行后可以清楚的看到图像的变换,以及相应数据的显示-Two-dimensional discrete wavelet analysis, we can clearly see the image after image into wavelet transform and the corresponding data analysis
dwt
- 用opencv实现对一幅图像的小波变换 opencv 图像二维小波变换-The wavelet transform of an image with opencv
txcl0
- 图像变换,快速傅里叶变换,编写快速傅里叶变换算法程序,验证二维傅里叶变换的平移性和旋转不变-Image transform, fast Fourier transform, to write fast Fourier transform algorithm, verify that the same two-dimensional Fourier transform of translational and rotational
erweixiaobo
- 实现二维小波变换此示意程序用DWT
fft
- 快速傅里叶变换源码。包括一维和二维快速傅里叶变换和反变换,以及复数运算。-FFT source code
2DDWT
- 复杂的二维双树离散小波变换(DWT)同样也引起了小波在六个不同的方向,但是,在这种情况下有两种小波在每个方向将如下所示。在每一个方向,一个两个小波可以被解释为一个复数的真实部分2 d小波,而其他小波可以被解释为一个复数的虚部2 d小波。因为复杂的版本有两倍的小波作为真正的版本的转换、复杂的版本是4次膨胀。复杂的二维双树被实现为四个严格采样可分二维DWTs操作在并行。然而,不同的过滤器集一起使用的行和列。正如在现实情况下,金额和不同的子带图像进行小波得到定向。复杂的二维双树DWT的图像x是由以下函
FT2D
- 实现二维傅里叶变换,并用几种基本函数进行了测试-To realize two-dimensional Fourier transform, and has been tested with several basic functions
gaussian-filter
- 在数字图像处理中,对图像通过时域的快速傅立叶变换提取图像边缘的过程中,会出现噪声干扰,提取出一些对图像造成干扰的信息,使得提取效果较差。通过设计一个二维高斯滤波器降低噪声对边缘提取的干扰,从而得到较好的边缘提取效果。-In digital image processing, the image edge extraction process on the image through the fast Fourier transform of the time domain, there will
Wavelet-decomposition-of-image
- 好用的二维图像小波变换程序,图像小波变换为图像的行小波变换和列小波变换组成图像小波系数-Wavelet decomposition of image
erweixiaobobianhuan
- 2维小波变换经典程序-此示意程序用DWT实现二维小波变换-2-dimensional wavelet transform classic program- this indicated the procedure using DWT realization of two-dimensional wavelet transform
Test
- 二维基本几何算法。包括了直线,三角形,四边形的绘制,以及它们的平移,旋转,错切,反射变换,以及最终的复位。-The basic two-dimensional geometric algorithms. Including the drawing of a straight line, a triangle, quadrilateral, as well as their translation, rotation, shear, reflection transform, as well as
simpleCUFFT
- 该源码主要是实现对图像的二维傅里叶变换,可以显示器频谱图,以及傅里叶逆变换,然后显示原图-The main source of the realization of two-dimensional Fu Liye transformation of the image, can display the spectrum, and Fu Liye transform, and then displays the original
Computer-Graphics
- 计算机图形学关于直线,圆,曲线的绘制,二维图形变换,二维裁剪等的代码-Computer graphics drawing straight lines, circles, curves, two-dimensional graphics transform two-dimensional cutting the code