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fliter
- 数字图像处理简单实验:傅里叶高通滤波和傅里叶低通滤波实验。-Digital image processing simple experiment: Fourier Fourier low-pass filter and a high pass filter experiments.
Gaussian-filter
- 高斯滤波器,利用傅里叶变换实现高斯低通和高通滤波-Gaussian filter
High-pass-filter
- 频域高通滤波增强示例,采用傅里叶变换,进行理想高通滤波,理想高通加强滤波,巴特沃斯高通滤波和巴特沃斯高通加强滤波.-High-pass filter to enhance the frequency domain examples, using Fourier transform, the ideal high-pass filter, the ideal high-pass filter to strengthen Butterworth Butterworth high-pass filte
High-Frequency-Emphasis-Filtering
- 此代码是关于高频强调滤波。利用高通滤波器削弱傅里叶变换的低频而保持高频相对不变点,这样会突出图像的边缘和细节,使得图像边缘更加清晰。但是由于高通滤波器偏离了直流分分量,从而把图像的平均值降低到了0,。一种补偿方法是给高通滤波器加上一个偏移量。通过算法达到目的。-High-Frequency Emphasis Filtering.High-pass filers zero out the DC term (the value at the center of a high-pass filter
picture
- 傅里叶变换、余弦变换、图像滤波、小波变换、hough变换、Walsh-Hadamard变换、K-L变换、-Fourier transform, cosine transform, image filtering, wavelet transform, hough transform, Walsh-Hadamard transform, KL transform,
ex1
- 傅里叶变换(频谱图 相位图 能量图 利用实部虚部重构 低通高通滤波)-fourier transform
fuliyepinpu
- 将空间域的图像转换到变换域内,进行低通滤波去除噪声,然后转换到空间域,对去噪的图像进行傅里叶变换-The space domain image conversion in the transform domain, remove noise, low-pass filtering and then transform into spatial domain, the Fourier transform denoising image
image-conversion-basis-for-novices
- 模式识别数字图像变换基础,包含bmp图像读取,图像的空域时域变换,傅里叶变换,霍夫变换,形态学滤波等,很全的基础代码,适合新手-Pattern recognition-based digital image conversion, including bmp image read, airspace domain transform images, Fourier transform, Hough transform, morphological filtering, it is the who
image-processing-method
- 这是一个关于图像处理课程的综合性程序,囊括了图形变换(傅里叶正反变换和离散余旋正反变换)、灰度变换(线性拉伸、直方图均衡)、图像增强(中值滤波、均值滤波以及梯度锐化)、代数运算(两幅图像之间的相加减)、图像分割(Roberts算法、Sobel算法、Laplacian算法以及区域生长)、图像转换(灰度化和二值化)等。-It is a comprehensive program for image processing programs, to include graphics transforma
1
- 含sgy数据读取及滤波程序 MFC动画演示程序 快速傅里叶变换程序 二进制数据读写程序-Sgy containing data read and filtering procedures MFC animation demo program fast Fourier transform binary data read and write procedures
Numerical-Recipes
- 内容包括:线性方程组的求解,逆矩阵和行列式计算,多项式和有理函数的内插与外推,函数的积分和估值,特殊函数的数值计算,随机数的产生,非线性方程求解,傅里叶变换和FFT,谱分析和小波变换,统计描述和数据建模,常微分方程和偏微分方程求解,线性预测和线性预测编码,数字滤波,格雷码和算术码等。全书内容丰富,层次分明,是一本不可多得的有关数值计算的C语言程序大全。本书每章中都论述了有关专题的数学分析、算法的讨论与比较,以及算法实施的技巧,并给出了标准C语言实用程序。-Include: solving lin
ditong
- 利用C++编写的低通滤波函数。采用快速傅里叶的方法对信号进行处理。希望能够帮组带大家。如有不足,请多多包含哈-Using C++ to write low-pass filter function . The method of using fast Fourier transform signal processing . Want to help the group with everyone . If insufficient, please include Kazakhstan
Spectrum-analysis
- 这是一个包含了滤波和快速傅里叶变换的地震方面频谱分析程序,用C语言编写-It contains a filter and a Fast Fourier Transform spectrum analyzer earthquakes
toolbox_signal
- 利用傅里叶变换,对图像进行低通滤波处理,利用sin函数窗-To avoid boundary artifacts and estimate really the frequency content of the image (and not of the artifacts!), one needs to multiply M by a smooth windowing function h and compute fft2(M.*h). Use a sine windowing functio
Image-filtering
- 图像滤波与傅里叶变化的matlaba源码(带注释)-Image filtering and Fourier transform of matlaba source code (with comments)
FFT
- 基于IDL语言的傅里叶变换及均值滤波,并配有试验图像-fft and mean transmation based on idl
FIR
- FIR滤波器,使用hamming窗函数,对正弦信号的傅里叶分解形式进行滤波-FIR filters, using hamming window function, Fourier decomposition form sinusoidal signal filtering
BaTeWoSiDiTong
- 图像处理功能 包括 傅里叶变换 拉普拉斯变换 高斯处理 均值滤波-image processing
ua4_1
- 对声音信号进行butter低通滤波,对录入的信号进行傅里叶变换,同时对比滤波前后,声音信号的不同-Butter sound signal low-pass filtering, of the Fourier transform of input signals, while before and after filtering, different sound signal
wjbh
- 是一个数字图像处理的示例程序,将一个图像进行2维傅里叶变换,然后进行巴特沃斯高通和低通滤波。-Digital image processing is an example of a program, a two-dimensional Fourier transform of the image, and then Butterworth high-pass and low-pass filtering.