image thumbnail

updated 1 month ago

NulceiHomo.zip by Cheng Lu

hybrid morphological reconstruction for pre-processing of nuclei image (image processing, nuclei segmentation, signal processing)

IM_homo=LmakeHomoonRC(IM,bw,strSize)

test.m

image thumbnail

updated 1 month 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)

image thumbnail

updated 1 month 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

image thumbnail

updated 2 months ago

RViewer by Tony Davis

Image Viewer with Interpolation on Zoom, Multiple Sync (image, display, interpolation)

image thumbnail

updated 2 months ago

fourierShapeDescriptor.zip by Weicheng Kuo

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

B=fourierShapeDescriptor(A,r)

image thumbnail

updated 4 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)

image thumbnail

updated 5 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)

image thumbnail

updated 7 months ago

Matrix Difuse Interpolation by David Pineda

Can correct some images with errors (image, interpolation, difuse)

M=interpolacion_matrix(V,x,y, b,c,p,q,factor, factor_inte...

image thumbnail

updated 8 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)

image thumbnail

updated 10 months ago

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 thumbnail

updated 11 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, ...

image thumbnail

updated 1 year 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)

image thumbnail

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)

image thumbnail

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)

image thumbnail

updated 1 year ago

HybridVel by Pratik Chhatbar

Improved blood velocity measurements with a hybrid image filtering and iterative Radon transform (red blood cells, rbc, radon transform)

hybridvel(inputimg,showimg,saveimg,delx,delt,hi,lineskip,...

image thumbnail

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)

...

...

...

image thumbnail

updated 1 year ago

IMComp-Image Compression Software by Saurabh Aggarwal

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

IMComp(varargin)

imagecompression.m

image thumbnail

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

image thumbnail

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)

image thumbnail

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

image thumbnail

updated 1 year ago

MATLAB Quiz by Khuhed

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

image thumbnail

updated 1 year ago

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 thumbnail

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)

image thumbnail

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)

image thumbnail

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)

image thumbnail

updated 1 year ago

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);

image thumbnail

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

image thumbnail

updated almost 2 years ago

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)

image thumbnail

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

image thumbnail

updated almost 2 years ago

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)

image thumbnail

updated almost 2 years ago

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)

image thumbnail

updated 2 years ago

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)

image thumbnail

updated 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)

image thumbnail

updated 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)

image thumbnail

updated 2 years ago

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

image thumbnail

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

image thumbnail

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)

image thumbnail

updated 2 years ago

FHROI: Interactive freehand ROI by Andrew Davis

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

fhroi(axHandle)

image thumbnail

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

image thumbnail

updated 2 years ago

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)

image thumbnail

updated 2 years ago

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

image thumbnail

updated 2 years ago

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

image thumbnail

updated 2 years ago

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

image thumbnail

updated almost 3 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)

image thumbnail

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

image thumbnail

updated almost 3 years ago

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 thumbnail

updated 3 years ago

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

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

main

image thumbnail

updated 3 years ago

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

image thumbnail

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)

image thumbnail

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)

Contact us