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Gabor Wavelet 2D Gabor Wavelet transform and Inverse transform

This Matlab script/application performs a 2D Gabor Wavelet transform on an arbitrary image, displays the resulting transform, and then performs the inverse transform *slowly* and *sequentially* in animation, so that one can see how the original image is synthesized back by summing many Gabor wave...
  Matlab        Matlab     

FOURIER transformS

2 Dimensional generic Fourier transform % % [ima_out] = fft2(ima_in,direction) % % This function calculates the complex Fourier transform % of the input image ima_in. If direction is set to 1, the direct fft % is performed, otherwise, the inverse one performed. % % ima_in : input image. Can...
  Matlab        Matlab     

Houghtransformation

使用C#实现的图像处理的源代码,主要实现了Hough变换,为学习C#图像处理起到很大的帮助作用,是非常有用的资料。...
  Image Processing        C#     

Compute the pollution-noise sine signal using Wavelet transform

File features: calculate the polluted sine signal using Wavelet transform , one of the continuous Wavelet transform, scale larger, equivalent to the Fourier transform of the w value is smaller. Used with mean 0and variance 1 sequences of Gaussian random white noise sequences...
  Audio        Matlab     

Biorthogonal Wavelet transforms

MATLAB implementation of nine-sevenths bi-orthogonal Wavelet transform, breaks up an image into the-MATLAB realize 9/7 biorthogonal Wavelet transform in the frequency domain, and the image is decomposed into the frequency domain. Aimed at strengthening the bi-orthogonal Wavelet denoising function...
  Matlab        Matlab     

fast fourier transform for a square signal

its a matlab code for fast fourier transform of a square signal with a graph result. a very fast way to determine fourier transform of a signal, with a matlab code name fft() and then plot it...
  Matlab        Matlab     

Short-time Fourier transform

The short-time Fourier transform (STFT) is used for transforming a signal of time to frequency domain, but often is used when our signal has low amplitude and some ranges of frequency close. In this code you can choose what window to use. gaussian, hamming.. etc....
  Matlab        Matlab     

MATLAB DWT realization of two-dimensional Wavelet transform

MATLAB DWT realization of two-dimensional Wavelet transform...
  Graph      Verilog     

tap changing transformer

%   first_random_30.m %   This script program is a subroutine to be called in the EP % count=1; % kira=1; % FVSI_set=0.6212; % while count <= 100; %   The following program is used to generate 20 random numbers 1 at a time %   Every time a random number is g...
  Matlab        Matlab     

fast fourier transform serving filter design

Fast Fourier transformation is a well-known common method of calculating various practical problems af different kinds. Most commonly it uses calculation complexity reduction by systolic decomposition. The applied sample shows how to design a 60 Hz filter to eliminate the respective freq...
  Algorithm fft        Delphi     

Intensity transformation

You are given an image and you are to do histogram equalization. For this you need transformation that takes input as given image and outputs equalized histogram and hence giving new image....
  Windows        Matlab     

Houghtransform

This is code for Hough transformation, which detecs circles on image via defined radius, tresholds and delta. It can be used on circled or non-circled features, by setting a right treshold. When you lower threshold, the circle, for which you are looking for will be sheded light. I hope, it will be u...
  Algorithm        Matlab     

WAVELET transform ON IMAGE

this project contains that image denoising using the wavelet transform and 2d decomposition ,wavelet thresholding, 2d recounstraction...
  Matlab        Matlab     

Computation of the accumulator image for a Wavelet-Based Circular Hough transform

This code computes the accumulator image for a Wavelet-Based Circular Hough transform, given a particular radius....
  Algorithm        Matlab     

SVD-based digital image watermarking using complex wavelet transform

 A new robust method of non-blind image watermarking is proposed in this paper. The suggested method is performed by modification on singular value decomposition (SVD) of images in Complex Wavelet transform (CWT) domain while CWT provides higher capacity than the real wavelet domain. Modifi...
  Algorithm        Matlab     

SVD-based digital image watermarking using complex wavelet transform

A new robust method of non-blind image watermarking is proposed in this paper. The suggested method is performed by modification on singular value decomposition (SVD) of images in Complex Wavelet transform (CWT) domain while CWT provides higher capacity than the real wavelet domain. Modification...
  Image Processing        Matlab     

Satellite Image Contrast Enhancement Using Discrete Wavelet transform and Singular Value Decomposition

New satellite image contrast enhancement technique based on the discrete wavelet transform (DWT) and singular value decomposition has been proposed. The technique decomposes the input image into the four frequency subbands by using DWT and estimates the singular value matrix of ...
  Matlab        Matlab     

labview图像采集

labview USB 摄像头的采集程序,首先你的摄像头在windows下工作正常,然后运行该软件 ,基于labview USB摄像头采集程序见附件。...
  Image Processing      LabView     

Marginal hilbert Spectrum

% find the maginal hilbert Spectrum function [A F] = mhs(HS,freq,flag,fres,fs) %-------------------------------JDSA--------------------------------------- % A is the sum of the contribution of each frequency component in the freq % vector for all time points. %  % F is the vector with the...
  Matlab        Matlab     

labview 锁相放大器

labview 锁相放大器,基于相关检测原理设计了一种数字锁相放大器,重点研究了采样频率与相关运算结果的关系。发现参考信号为方波而采样频率与信号频率成一定关系时,系统相关运算存在固有误差。为减少该误差,首次将动...
  Audio      LabView     

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