SELCTIVE RECURSIVE TEMPORAL FILTER for video denoising by debasish

Simple temporal filter for 3D video denoising based on motion estimation (video denoising, image processing, temporal filter)

recursive_temp(Y)

Easy 'n fast smoothing for 1-D to N-D data by Damien Garcia

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (image processing, signal processing, statistics)

smoothn(varargin)

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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Gray-scale image segmentation using normalized graphcuts by Mohamed Athiq

Textbook implementation of Normalized graph cut segmentation of gray-scale or intensity images (signal processing, image processing, mathematics)

graphcuts.m

Calculation of CT MTF and NPS using the ACR accreditation phantom by Saul

This code enables measurements of CT MTF and NPS from images of an ACR accreditation phantom. (computed tomography, ct, modulation transfer f...)

SliceBrowser(varargin)

mtfcalc.m

npscalc.m

Edge Detection by Dhaval Gondaliya

This is simple method of edge detection. (image processing, signal processing)

edgedetectionnormal.m

Closing by Dhaval Gondaliya

It is a basic of image processing tool which consist opening and closing. (image processing, signal processing)

closing.m

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

binning a point cloud, 3D scattered data, in the X-Y plane by Stephan Koehler

Take a set of XYZ points, and returns average Z values for corresponding bins in X & Y planes. (image processing, signal processing, statistics)

binXYZonXY( x_bin_edges, y_bin_edges, x, y, z, flag4std, to...

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)

IEF, Image enhancement factor by Suraj Kamya

Image enhancement factor (ief, image enhancement fac..., image processing)

[out]=IEF(orgimg,nimg,dimg)

BER, Bit error rate by Suraj Kamya

Bit Error Rate (ber, bit error rate, quality measure)

[out]=Biter(orgsig,exsig)

TAF,Tamper Assessment Function by Suraj Kamya

Tamper Assessment Function (taf, tamper assessment fun..., quality measure)

[T]=TAF(w,wex)

PSNR, Peak Signal to Noise Ratio by Suraj Kamya

Peak Signal to noise ratio (psnr, peak signal to noise ..., quality measure)

[out]=PSN(orgimg,mimg)

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()

Preprocess(I)

dftuv(M, N)

Canny Edge Detector by Mohamed Athiq

Simple implementation of Canny edge detector in matlab and c++ from textbook algorithm. (image processing, signal processing, mathematics)

CannyEdgedetector.m

Marr-Hildreth Edge detector by Mohamed Athiq

Simple matlab implementation of Marr-Hildreth Edge detector and also c++ implementation (image processing, signal processing, mathematics)

mhdetector.m

CellSort by Eran Mukamel

Toolbox for automated sorting of cellular calcium signals from optical imaging data. (independent component..., signal processing, image processing)

CellsortApplyFilter(fn, ica_segments, flims, movm, subtract...

CellsortChoosePCs(fn, mixedfilters)

CellsortFindspikes(ica_sig, thresh, dt, deconvtau, normaliz...

Tapering of 2D matrices by Christian Jensen

Performs gradual tapering of matrices (image processing, signal processing, statistics)

mattaper(X,tf,w,s)

Brain Message v 1.0 to write secret messages into fMRI by Vanessa

Write secret messages in fMRI data to be uncovered with independent component analysis (fmri, ica, independent component...)

BrainMessage(message,outname)

Performance Analysis of Z-source Inverter Fed Induction Motor Drive by Amit Tiwari

THIS MODEL IS EQUIPPED WITH CONSTANT BOOST CONTROL USING THIRD HARMONIC INJECTION. (communications, gui, control design)

ZINV1

Legendre wavelets by Hélio de Oliveira

installing Legendre wavelets in the MATLAB wavelet toolbox. (wavelet toolbox, signal processing, image processing)

legdinfo

legdwavf(wname)

MATLAB Quiz by Khuhed

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

MATLAB Quiz

Matalb and OpenCV by BIREM Merwan

How to Connect Matlab with OpenCV to use the different functions offered by OpenCV using mex-files. (image processing, signal processing)

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)

arithmetic filters by Viswanath

it deals in the arithmetic filters in image processing (arithmetic, image processing, signal processing)

arithmeticop.m

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)

Embedded Coder Support Package for Xilinx Zynq-7000 Platform by MathWorks Embedded Coder Team

Embedded Coder Support Package installer file that works with Support package installer (zynq, automotive, motor control)

N-Dimensional Trapezoidal integral by Mohammed Sadeq Al-Rawi

See title. (communications, biotech, image processing)

trapezoidal_rule_nd_integral(x, mat, N)

3D Trapezoidal Rule by Mohammed Sadeq Al-Rawi

This program can be used to find any triple integral, even if one has some empirical data. (mathematics, simulation, image processing)

trapezoidal_rule_triple_integral(x, y, z, mat)

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)

Traffic Warning Sign Recognition Matlab Code by Muhammad Ammad

Traffic Warning Sign Recognition Matlab Code using matlab demo from the matlab 7.5 in video processc (blob analysis, detection, recognition)

main

x=blobAnalysis(a)

Yield.avi

Frequency domain filtering for grayscale images by Mohamed Athiq

Simple Matlab implementation of frequency domain filters on grayscale images (image processing, mathematics, signal processing)

bhp(im,thresh,n)

blpf(im,thresh,n)

ghp(im,thresh)

Video signal generation and playback by Krishna Kumar P

Generating a video signal and playing it back.It uses the intensity plot of all frames. (video signal generati..., video plot, image plot)

video.m

Homomorphic filtering by Mohamed Athiq

Matlab implementation of Homomorphic filetring using a gaussian high pass filter (image processing, mathematics, signal processing)

homomorph(im,lowg,highg)

homomorphfilter.m

Histogram Equilization by Amarjot

The above describes histogram equalization on a grayscale image (image processing, signal processing, communications)

Histeq.m

Block Division using cell by Suraj Kamya

Using cell data type one can effectively breaks the 2D/3D data in to required no. of blocks. (blocks, image, cell)

I=recom_blocks(B)

[B]=blocks(image)

Image filter by spatial correlation by Carlos Estrada Chávez

A novel denoising filter that uses a spatial correlation measure between colors. (autocalibrated filter, spatial correlation, denoising filter)

Iout=scorfilt(I)

Compressed Sensing MRI Phantom (v1.1) by David Smith

A realistic phantom for compressed sensing MRI reconstruction. (image processing, mathematics, measurement)

csphantom (n, bandwidth, signalToNoiseRatio, b1scale, img_r...

example

Sliding Window for Matlab by Lukas Tencer

Moves sliding window around the image and gets a subwindow of it. (image processing, mathematics, signal processing)

get_subwindow( input_image, index, resx, resy, spacingx, sp...

One-Sided FFT by Aravazhi Anbarasu

More intuitive than built in function for simple operations.Useful for repetitive code and plotiing. (control design, physics, communications)

fft_calc(X,fs)

ESSIM by Zhang Xuande

An image qualtiy metric based on the similaity of edge-strength (signal processing, image processing, image quality assessm...)

ESSIM(Ref_img, Dis_img)

Linear regression for multiple category data with different slopes for each by Soumya Banerjee

The function does OLS and RMA regression on data that is categorized into two different categories (communications, optimization, aerospace)

regress_plot_twocategories_allslope

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

Rolling statistics by Jean-Yves Tinevez

Convenience utility made to compute descriptive statistics without storing data. (signal processing, image processing, data exploration)

rollingstats

RollingStatsDemo.m

Law's Texture Filter by Lukas Tencer

Implementation of Law's texture filter from 1980, input is an image and output 6 filtered maps. (image processing, mathematics, signal processing)

laws( image , averWindSize)

Get subwindow of image by Lukas Tencer

Function for sampling of small images from big images. At x,y gets an image of sizex,sizey. (image processing, signal processing, mathematics)

get_subwindow( inputImage, y, x, sizey, sizex , borderPolic...