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Perspective (the Perspective transformation)

2015-03-16 08:54    By:njwhat      View:60      Download:0

Perspective transform (Perspectivetransformation) refers to the use of perspective Center, like the point, destination point three points collinear condition, according to the laws of perspective rotation makes shadow side (pivot side) around the tracks (pivot axis) rotation at an angle, projection...

Matlab Matlab

Fast Fourier transform(FFT) in C#

2015-03-10 04:37    By:fantom44      View:67      Download:0

 this program provide a class to calculate fast Fourier transform (FFT) to compute the discrete Fourier transform (DFT) and its inverse....

Voice C#

Stockwell transform

2015-02-27 15:24    By:lixiaoyu702      View:42      Download:0

Stockwell transfor or also called S transform. and there is a comparison with the short time transform...

Matlab Matlab

Scale-invariant feature transform

2015-03-21 05:48    By:k11111115      View:60      Download:0

Scale-invariant feature transform (or SIFT) is an algorithm in computer vision to detect and describe local features in images. The algorithm was published by David Lowe in 1999. Applications include object recognition , robotic mapping and navigation, image stitching , 3D modeling , ge...

Image Processing C++

digital wavelet transform

2015-03-26 08:18    By:zero123ist      View:124      Download:2

dwt - digitized/discrete wavelet transform for image feature extraction. is a good feature extraction method for audio and 1 D signal too. uploader do not claim any copyright. download and use it on your own risk. digital wavelet transform or DWT is very similar to its countinuous counterpart namely...

Matlab Matlab

undecimated wavelet transform

2015-03-26 05:25    By:a2368699078      View:110      Download:0

2 Generation Wavelet indicated procedures classic 2-D wavelet transform program Daubechies wavelet bases constructed using porous trous algorithm (undecimated wavelet transform) the realization of wavelet transform translational translational transform method (cycle_spinning) eliminate gibbs effect...

Matlab Matlab

imTrans - Homogeneous transformation of an image

2015-01-09 14:35    By:hjk61314      View:49      Download:0

IMTRANS - Homogeneous transformation of an image. Applies a geometric transform to an image [newim, newT] = imTrans(im, T, region, sze);...

Image Processing Matlab

Fast Fourier transform

2015-03-25 12:10    By:hongyunnchen      View:50      Download:0

A fast Fourier transform  is an algorithm to compute the discrete Fourier transform and its inverse. Fourier analysis converts time  to frequency and vice versa; an FFT rapidly computes such transformations by factorizingthe DFT matrix ...

Algorithm C

eye detection using houstransform and wavelet transform

2015-03-24 07:35    By:manjunatha vg      View:24      Download:1

detection of eye using wavelet transform and hough detection algorithm using adaptive processing techniques...

Matlab Matlab

Discrete Cosine transform(DCT/IDCT) in VHDL

2015-03-25 06:00    By:veeru      View:100      Download:1

the Project aim is to design DCT and IDCT in VHDL. DCT is used in image compression to compress the JPEG image. This file contains DCT and IDCT blocks and top module which integrates two blocks and testbench to test the two modules....

vhdl VHDL

Image based on Leonardo da Vinci DM6437 nonlinear transform

2015-03-27 02:23    By:zyj666zyj      View:14      Download:0

Connect the computer and DSP emulator for all lab equipment is powered on, open the CCS3.3 and connect card. Plug the video cable connection Board input, connect the monitor inputs on the other side, turn to AV mode the display. Open the project NolinearLogtransform.pjt, compile, download and run. T...

dsp C

Logarithmic, exponential, gray-scale transformation

2015-02-01 01:49    By:Fannie      View:38      Download:0

Logarithmic, exponential grayscale transform on image. Logarithmic transformation extends the low gray zone, compressing the gray area, can make the low gray image clearly displayed. And exponential transformation is generally used to image high gray area giving a larger expansion. Source packages i...

图像处理 C++


2014-11-19 18:18    By:brian66      View:8      Download:0

Transofmation of map sheets. Data load from .txt, then transform map cornes by afine transformation, similarity transformation, polynomial transformation and 5-element afine transformation....

Matlab Matlab

Perspective matrix transforms based on OpenCV

2015-01-11 18:32    By:guanzhanzhan@hotmail.com      View:16      Download:0

Image of a irregular quadrilateral, bi-linear interpolation, restore the image to a rectangular area. Perspective transformation: the settings you want to change the first 4 points, and four points on a goal, build perspective matrix perspective matrix based on the original image of the Pivot transf...

Image Processing C++

MATLAB and Wavelet transform denoising

2015-03-24 06:35    By:lcy066      View:111      Download:1

Wavelet transform and to noise MATLAB code, learning MATLAB Wavelet Toolbox of good information, wave transform, and discrete Wavelet transform, and more resolution analysis and orthogonal Wavelet transform, and Wavelet transform and more sampling filter group, and Wavelet transform and image proces...

Matlab Matlab

Image Haar wavelet transform

2015-03-02 01:56    By:njwhat      View:55      Download:0

MATLAB training program (Haar wavelet transform of the image), I just have a simple understanding of wavelet transform. But the combination of wavelet transform and Fourier transform understanding. Fourier transform are decomposed by a series of sine and cosine functions of different frequencies to...

Matlab Matlab

Gabor Wavelet 2D Gabor Wavelet transform and Inverse transform

2015-03-25 04:50    By:折纸笔筒      View:72      Download:3

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 originalimage is synthesized back by summing many Gabor wavelets....

Matlab Matlab

Generation of Haar wavelet transform matrices in MatLab

2015-03-25 02:36    By:xiaopang      View:77      Download:1


Matlab Matlab
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