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updated 4 months ago

Gabor Feature Extraction by Mohammad Haghighat

This program generates a custom Gabor filter bank; and extracts the image features using them. (image processing, computer vision, pattern recognition)

gaborFeatures(img,gaborArray,d1,d2)

gaborFilterBank(u,v,m,n)

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updated 10 months ago

Fast 2D peak finder by natan

Find local maxima \ peak positions in noisy 2D arrays (peakfind, peak, local maxima)

[cent, varargout]=FastPeakFind(d, thres, filt ,edg, res, ...

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updated 5 years ago

Image segmentation & Extraction by Diego Barragán

This program segments and extracts objects from an image. (image processing, signal processing, templates)

Imag_seg_ex.m

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updated 4 years ago

Image segmentation using statistical region merging by Sylvain Boltz

Very simple and fast image segmentation code using statistical region merging. (image processing, image segmentation, clustering)

[maps,images]=srm(image,Qlevels)

srm_getborders(map)

srm_imgGrad(I)

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updated 1 year ago

Light Field Toolbox v0.2 by Donald Dansereau

A set of tools for working with light field (aka plenoptic) imagery in Matlab (light field, plenoptic, lytro)

...

...

...

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updated 2 years ago

JPEG Compression (DCT) by Vinay Kumar Tadepalli

JPEG compression using Discrete Cosine Transform Technique (image processing, simulation, signal processing)

dct1.m

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updated 1 year ago

Graph Cut for image Segmentation by Amarjot

The code segments the grayscale image using graph cuts. (image processing, signal processing, segmentation)

graphcuts(I,pad,MAXVAL)

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updated 4 months ago

Retinal Vessel Detection by Gabor Transform and Machine Learning, a Tutorial by ted p teng

A tutorial on detection of retinal vessels by Gabor transform and machine learning (pattern recognition, vessel segmentaion, machine learning)

Gabor_GLM_FEX.m

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updated 1 year ago

Speckle Noise Reduction in Ultrasound Images by Ashish Meshram (Meet)

This project implements various filters for Speckle Noise Reduction in Ultrasound Images. (image processing, wavelet, butterworth filter)

GetFilePath()

MetricsMeasurement.m

NSRFilters.m

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updated almost 2 years ago

barrel and pincushion lens distortion correction by Jaap de Vries

I = LENSDISTORT(I, k)corrects for radially symmetric distortions (image processing, mathematics, optics)

lensdistort(I, k, varargin)

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updated 1 day ago

Feature Mutual Information (FMI) Image Fusion Metric by Mohammad Haghighat

A non-reference image fusion metric based on mutual information of image features (image fusion, metric, image fusion metric)

fmi(ima, imb, imf, feature, w)

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updated 5 years ago

spiht algoritm based image compression by kranthi kumar

matlab program for developing spiht algorithm must be much better than jpeg version in all cases. (signal processing, image processing, demo)

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updated 5 years ago

COUNT OF COINS by Diego Barragán

COUNT OF COINS USING IMAGE PROCESSING TOOLBOX. (image processing, signal processing)

count_of_coins.m

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updated 12 months ago

Hiding multiple Text pages into a Color image by Cherma Rajan A

This program can embed/hide maximum of six monochrome Text pages into a Color image without loss. (color, watermarking, text hiding)

HIDING MULTIPLE TEXT PAGES INTO A COLOR IMAGE

altertxt(im_tx1,im_tx2)

extracttxt(im)

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updated 3 years ago

2D - 2D Projective Homography (3x3) Estimation by SasiKanth

This function estimates 2D-2D projective homography between two images. (homography, image processing, signal processing)

homography( i1, i2)

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updated 2 months ago

Gabor Wavelets by Mohammad Haghighat

This program generates a custom Gabor filter bank; and extracts the image features using them. (image processing, computer vision, pattern recognition)

gaborFeatures(img,gaborArray,d1,d2)

gaborFilterBank(u,v,m,n)

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updated 3 years ago

Accurate Eye center location by GAGAN

The following code can be used to accurately determine eye center of any image. (image processing, eye center, eye)

eyepoint(input,kernelsize,sigma,minrad,maxrad,varargin)

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updated 1 year ago

Adaptive multi-focus image fusion using a wavelet-based statistical sharpness measure by Kanchi

Adaptive multi-focus image fusion using a wavelet-based statistical sharpness measure (image processing, signal processing)

SP_2012_main.m

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updated 3 years ago

Motion Detection by Harsha Vardhan

Motion Detection using videos recorded still camera (signal processing, image processing, video processing)

motion(A,B)

motio.m

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updated almost 7 years ago

IMAGE DENOISING USING BAYES THRESHOLDING OF WAVELET COEFFICIENTS by aaa asdfgh

this work is aimed to implement bayes thresholding. (enhancement, soft, hard)

WPSNR(A,B,varargin)

op=sthresh(X,T);

rmse=compare11(f1,f2,scale)

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updated 3 years ago

Bi dimensional Emperical Mode Decomposition (BEMD) by SasiKanth

This function computes the 2D IMFs (first 3) for an Input Image. (signal processing, image processing, hilbert)

bemd.m

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updated 4 years ago

Plot wavelet image (2D) decomposition by Benjamin Tremoulheac

A short function for displaying wavelet image decomposition coefficients (image processing, wavelet, multiresolution)

plotwavelet2(C,S,level,wavelet,rv,mode)

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updated 1 year ago

Bregman Cookbook by Jerome Gilles

This toolbox provides signal/image/3D processing based on Bregman Iterations (bregman, l1, sparse)

R=AddCurveletArray(A,B)

R=AddFrameletArray(A,B)

R=ShrinkComplexCurvelet(A,tau)

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updated almost 2 years ago

3D histogram of RGB image by Pavel Rajmic

Creates 3D-histogram from an RGB image in the form of balls within the RGB cube (rgb, image, histogram)

image_hist_RGB_3d(imname,n,gamma)

rgb_noise_image(rows,cols,filename)

demo_image_hist_RGB_3d.m

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updated 1 year ago

2D and 3D Gabor Filter Creators by Frederick Bryan

Can generate 2D or 3D Gabor filter kernels. Parameters enable almost any kernel to be created. (image processing, signal processing, gabor)

slice_slider(invol)

varargout=gabor3_fwb(aspect,theta,bw,psi,sigma,sz)

varargout=gabor_fwb(aspect,theta,bw,psi,sigma,sz)

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updated 9 days ago

An Efficient Median Filter by Arun Kumar

The median filter is used to reduce noise in an image (image filtering, image processing, filter)

pgm.m

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updated almost 2 years ago

Mutual Information and Joint entropy by Amir Pasha Mahmoudzadeh

Takes two images and return the mutual information and joint entropy (image processing, interpolation, registration)

Mutual_Information=MutualInformation(x,y)

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updated 3 years ago

barcode reader by Indraneel Biswas

barcode reader which does not use thresholding (barcode, image processing, signal processing)

[X,P]=subPx(g,x,gMax,N)

[gw,xw]=movAvg(g,wt)

[pk,loc]=peakDetect(g,minHt,minDist)

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updated 22 days ago

fourierShapeDescriptor.zip by Weicheng Kuo

Fourier shape descriptors for simple binary region (tutorial, image processing, geometry)

B=fourierShapeDescriptor(A,r)

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updated 1 year ago

Canny Edge Detector by Amarjot

The code computes the edge map for a grayscale image using canny detector (image processing, signal processing)

[Ie1]=gradingedges(Ie,Tl,Th)

[Ifinal]=connectingedge(Ie1,Th,Tl)

[Isup]=nonmaximalsupression(I,theta)

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updated 1 year ago

K means clustering for Image Compression by Vinay Kumar Tadepalli

K-means clustering is a popular vector quantization method for data compression. (image processing, simulation, demo)

Kmeans_Pre_Post.m

kmeans_clustering.m

Image_kmeans_main.m

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updated 4 years ago

fourier descriptor by michael scheinfeild

describe shape using fourier coefficients (fourier descriptor, shape, shape classification)

[new_indeces]=find_close_indeces(im_in)

make_fft_sec(image_edged,ncoef)

test_fourier.m

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updated 3 years ago

PURE-LET for Poisson image denoising by SANDEEP PALAKKAL

This is an implementation of the PURE-LET, recently proposed for Poisson image denoising. (pure, purelet, sure)

cshift2(x,m,n,ud,rl)

cspin_purelet( x, let_id, J, nSpin )

fast_cconv2(x,h,opt)

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updated 1 year ago

MATLAB Quiz by Khuhed

MATLAB Quiz (100 Questions) (control design, image processing, signal processing)

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updated almost 5 years ago

Image and Video Processing with Simulink® Webinar Files by Alan Hwang

These are the files from the Image and Video Processing with Simulink webinar. (video, out of focus, outoffocus)

LCT.m

OurModel

out_focus_vid.wmv

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updated 4 years ago

Image Processing with GUIDE by BIREM Merwan

Image processing - segmentation - guide MATLAB (signal processing, image processing, gui)

About(varargin)

Merwan1.m

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updated 2 years ago

Image filtering by CNTM

Improved adaptive complex diffusion despeckling filter (NCDF) (signal processing, image processing, medical)

twodncdf(imgIn, TMAX)

demo.m

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updated 2 years ago

otsu's method by Ullesh Chavadi M

To find the threshold of the image (image processing, signal processing)

[k]=otsu(a)

[wb,wf,mb,mf,vrb,vrf]=cal(i,b,m)

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updated 7 months ago

Multi Spectral Demosaicing algorithms by Hemant Kumar Aggarwal

Implementation of two multispectral demosaicing algorithms. (image processing, signal processing)

X=myTrain(img)

Xestimated=BTESinterpolate(x)

[img raw umsf]=UMSF(img)

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updated 5 years ago

ROI Draw by Christopher Changchien

ROI Draw allows you to draw rectangular ROI's at any angle. (signal processing, statistics, probability)

ROIDraw(varargin)

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updated 1 year ago

eegplot by Ikaro Silva

Uses scattered data points to interpolate pixel values of a head image. (medical, eeg, interpolation)

[z,map]=eegplot(mag,ch,unorm,ch_disp,method,color_res)

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updated 5 years ago

Create Video file from image or device by Volker Schuster

Create a video file, by continuously reading an image from url or a video device or screen (application, image acquisition, image processing)

observe(image_url, interval_sec, video_filename_pattern, ...

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updated almost 9 years ago

Image Compression Using Wavelets by S.Thayammal Subburaj

Compression using wavelet transform which give better reconstruction. (compression, wavelet, transform)

wavelet.m

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updated almost 3 years ago

Ant colony optimization for wavelet-based image interpolation by Kanchi

Ant colony optimization for wavelet-based image interpolation (image processing, signal processing, image interpolation)

main

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updated 2 years ago

Video Recording by rasam aliazizi

Recording video & snapshots using a web cam or other. (image processing, signal processing, gui)

Creat_AVI(varargin)

CreateImAqObject(varargin)

Export2WorkSpace(var, val, varargin)

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updated 1 year ago

Image segmentation using Marr Hilderth Filter by Amarjot

The code compute the edge map of a grayscale image using Marr Hilderth Filter (image processing, signal processing)

[Ioutput]=zerocrossing(Izerosmooth)

filtering(I1)

marrfilter(I)

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updated 1 year ago

Probabilistic Non-Local Means by Yue Wu

This code implements the probabilistic non-local means algorithm for image denoising. (kernel estimation, denoising, signal processing)

PNLM(ObsImg,PatchSizeHalf,WindowSizeHalf,EstSigma,RhoSq)

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updated almost 5 years ago

Fast normalised cross correlation for gray-level and color images by Rami

An extention of the normxcorr2 function. (image processing, signal processing)

Fast_NCC_Corr(I,T);

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updated 3 years ago

Filter with Gabor Kernel using FFT by Edward Wiggin

Filter an image with M*N Gabor kernels, return the result. Use FFT to accelerate. (image processing, gabor, wavelet)

gaborConvF(img,G,gWinLen)

genGaborKernel.m

genGaborKernelF( mu,nu,sigma,scaleXY,imgSz )

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updated 5 years ago

Impulse Noise Addition by Kannan Keizer

Adding impulse noise to image (signal processing, image processing, impulse noise)

impulsenoise.m

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