Light Field Toolbox v0.1 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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K means clustering for Image Compression by Vinay Kumar Tadepalli

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

Kmeans_Pre_Post.m

kmeans_clustering.m

Image_kmeans_main.m

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)

MATLAB Quiz by Khuhed

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

MATLAB Quiz

Hierarchical RGB IMage Compression with GUI by Amarjot

The code performs Hierarchical image Compression on RGB image and presents the results with a GUI (image processing, signal processing, communications)

V=downSample (Val)

V=upSample(Val)

[s1,s2,s3]=jpeg(sBmp,quality,showDetail)

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)

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)

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)

RGB Image Compression by Amarjot

The code computes the spatial compression on R G B components for a RGB image. (image processing, signal processing, communications)

DCTcompressioncroma(cb)

DCTcompressionluma(Y)

[d,c]=runenc(x);

Fast 2D peak finder by natan

Find local maxima \ peak position in noisy 2D array (peakfind, peak, local maxima)

cent=FastPeakFind(d, threshold, filt ,edg, fid)

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

Rice Grain Quality Control by wilmer ariza

Small application to show the viability of implement a quality control for kernel rice grain (image processing, signal processing, measurement)

RiceComVision(vid,sizeKernel,Color,DiskSize)

RiceComVisionRT(vid,sizeKernel,Color,DiskSize)

RiceComVisionSF(vid,sizeKernel,Color,DiskSize)

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

Draw lines with arrows by Sabesan

Draw lines with arrows. Multiple optional parameters are given for controlling the arrow and line (draw lines, plot, figure)

draw_line2(p1, p2, varargin)

Draw line with Arrows in 3D by Sabesan

draw_line3 draw line with directional arrow/arrows for the given 3D vector coordinates. (arrow, line in 3d, vector)

draw_line3(p1, p2, varargin)

Can you hear the Image? Tool that allows you to transform image into audible sounds by Uri Dubin

This demo transforms image spatial information to sounds. It helps blind to "see" the image. (image processing, signal processing)

SOI_SoundsOfImages(varargin)

Dual regularization-based image resolution enhancement for asymmetric stereoscopic images by Kanchi

Dual regularization-based image resolution enhancement for asymmetric stereoscopic images (image processing, signal processing)

SP_2012_SR_main

Contour detection by CORF operator by George Azzopardi

The CORF contour operator is based on a computational model of a simple cell in visual cortex. (edge detection, contour detection, visual cortex)

CORF(I, sigma, t)

Image filtering by CNTM

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

twodncdf(imgIn, TMAX)

demo.m

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)

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)

FHROI: Interactive freehand ROI by Andrew Davis

Interactively specify 2D freehand ROI (image processing, signal processing, visualization)

fhroi(axHandle)

JPEG Compression (DCT) by Vinay Kumar Tadepalli

JPEG compression using Discrete Cosine Transform Technique (but when i run it i h..., communications, signal processing)

dct1.m

Distribution of the contour distances from the center point by mohan palani

Boundary of the signature of image (aerospace, biotech, data import)

centerPoint(binaryImg)

contour_b(a,row,col)

euclidean_distance(Coord1,Coord2)

ImageTohex, hexToimage cconversion by mohan palani

The matlab code is used for convert the hex file to image and image to hex file (mathematics, image processing, signal processing)

HexConvert2Image.m

imageConvert2Hex.m

Stentiford Thinning Algorithm by mohan palani

This code is implemented using the reference paper of IMAGE PROCESSING TECHNIQUES FOR MACHINE VISION (aerospace, control design, image processing)

connectivityFun(inwindow)

stentifordThining.m

Stentiford Thinning Algorithm by mohan palani

This code is implemented using the reference paper IMAGE PROCESSING TECHNIQUES FOR MACHINE VISION (image processing, mathematics, aerospace)

stentifordThining.m

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)

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

Phase-driven spatially-variant regularization for image resolution enhancement by Kanchi

A demo code of Phase-driven spatially-variant regularization for image resolution enhancement (image processing, signal processing, image interpolation)

main

Image edge detection using variation-adaptive ant colony optimization by Kanchi

A demo program of Image edge detection using variation-adaptive ant colony optimization (ant colony optimizati..., signal processing, edge detection)

main

Image despeckling using a non-parametric statistical model of wavelet coefficients by Kanchi

A demo code of Image despeckling using a non-parametric statistical model of wavelet coefficients. (image processing, signal processing, image denoising)

denoise_BSPC_2011_main

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)

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)

Bi dimensional Emperical Mode Decomposition (BEMD) by SasiKanth

This function computes the 2D IMFs (first 3) for an Input Image. (emd, huang, hilbert)

bemd( input_image )

Accurate Eye center location by GAGAN

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

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

Motion Detection by Harsha Vardhan

Motion Detection using videos recorded still camera (cricket, camera, motion detection)

motion(A,B)

motio.m

Face Recogntion by Arjun j s

SIMPLE METHOD FOR FACE RECOGNTION Intensity based method (signal processing)

testing()

train1();

main.m

AntShrink: Ant colony optimization for image shrinkage by Kanchi

AntShrink: Ant colony optimization for image shrinkage (image processing, denoising, signal processing)

denoise_PRL_2010_main

Visual saliency detection in image using ant colony optimisation and local phase coherence by Kanchi

Visual saliency detection in image using ant colony optimisation and local phase coherence (image processing, signal processing)

saliency_EL_2010_main

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

This function estimates 2D-2D projective homography between two images. (homography, 250 and i found this ..., signal processing)

homography( i1, i2)

2D haar transform by narendra karamangala

This function gives a 2D haar mwvelet transform. (2dwavelet, haar transform, signal processing)

Image Processing with GUIDE by BIREM Merwan

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

About(varargin)

Merwan1.m

Image segmentation using statistical region merging by Sylvain Boltz

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

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

srm_getborders(map)

srm_imgGrad(I)

Effect of Range Reduction in Video/Image Compression by Fitzgerald Archibald

Range reduction demonstration using JPEG codecs. (image processing, signal processing)

ssim_index(img1, img2, K, window, L)

rangeReductionDemo.m

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);

Gaussian Pyramid by Pranam Janney

Generates a gaussian pyramid for the given input image (image processing, medical, statistics)

Gscale(img,levels,gsize,sigma);

IMComp-Image Compression Software by Saurabh Aggarwal

IMComp is an Image Compression tool useful for compressing digital JPG images. (image processing, signal processing, optimization)

IMComp(varargin)

imagecompression.m

vision_based_barcode_reader by Trieu Nguyen Ta

This program can read 3 barcode ean13,code 39,code 128c by stable image,and by camera, (image processing, mathematics, signal processing)

GRADUATE_PROJECT(varargin)

[k,g]=nhieutrenduoi(s)

c=cheo45pt(dt,hang,cot,I)

COUNT OF COINS by Diego Orlando

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

count_of_coins.m