Code for calculating root mean squared error for data by Kamlesh Pawar

This is a simple code which accurately calculates RMS error for real or complex data. (image processing, signal processing)

[er]=rms_error(A1,A2)

Change Image Coordination by Marco Chak Yan Yu

Change image coordinate from standard image coordinate to polar coordinate, vice versa. (image processing, coordination)

image2polar(IM,xCenter,yCenter,ROT,rrange,rbin,thetabin,INT...

polar2image(IMR,ROT,rrange,rbin,thetabin)

Color Detection By HSV color model by Marco Chak Yan Yu

Detect specific color in an image and output as a Black/White image (image processing, color)

color_detection_by_hue(I,sThresh,vThresh)

Circles overlap remover by Elad

Remove one or both circles from an overlapping circles pair (with tolerance). (imfindcircles, image processing, circles)

[centersNew,radiiNew]=RemoveOverLap(centers,radii,tol,optio...

Photron MRAW File Reader by SEP

This function reads 16 bit monchrome Photron image data into a structure (photron, mraw, image reader)

readmraw(filename,numimgs)

photron_example.m

Histogram Equalization by Devinder

this file implements histogram Equalization on an image (image processing, signal processing, computer vision)

histeq.m

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)

Masked k-order statistic filters for 2D data by Fabio Bellavia

Morphological erosion, dilation, median filter and generic k-order statistic filter implementation (korder statistical fi..., 2d median filter, morphological dilatio...)

r=kordstatfilt2(im,ker,idx)

test.m

Bradley local image thresholding by Jan Motl

A fast an well performing local image thresholding method. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

bradley(image, varargin)

PIVMat 3.02 by Frederic Moisy

A PIV Post-processing and data analysis toolbox (davis, data export, data import)

about_pivmat (PIVMat Toolbox)

addnoisef (PIVMat Toolbox)

averf (PIVMat Toolbox)

Comparison between unipolar and bipolar digital transmission by SBAIH Nizar

this M-file gives you the performance of a bipolar transmission over a unipolar transmission. (image processing, signal processing)

Bipolar_vs_Unipolar.m

Bregman Cookbook by Jerome Gilles

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

R=AddCurveletArray(A,B)

R=AddFrameletArray(A,B)

R=ShrinkComplexCurvelet(A,tau)

Trainable COSFIRE filters for keypoint detection and pattern recognition by George Azzopardi

A COSFIRE filter detects features or patterns of interest, e.g. traffic signs in complex scenes. (feature detection, trainable, feature)

COSFIRE_Application(example)

Gabor(img, lambda, aspectratio, bandwidth, orientation, shi...

Parameters(type)

blob detection and parameters' estimation by Xiaopeng Xu

features (determinant of hessia..., blob, feature)

I1=gauss3(theta,sx,sy,winsz,x0,y0)

gaussianss_doh(I,min_scale,max_scale,S,sigma0)

gaussianss_log(I,min_scale,max_scale,S,sigma0)

Reconstruction of Image from Simple Back Projection by Shrinivas

Reconstruction of Image from projections (image processing, mathematics, matlab)

[size1,upto,increment]=inputsbp()

[z]=choosesbp(upto,increment)

sbp0109.m

3D IMAQ Waterfall by Marta

Acquires images and displays a live histogram and corresponding 3D waterfall plot. (example, application, imaq)

imaqwaterfall(varargin)

Virtual Calculator by Oren berkovicth

This calculator allows the user to perform calculations in front of the camera. (image processing, gui, mathematics)

[newstr,same]=samenum(same,num)

displayscrean(x,y,newstr)

virtualcalc

Empirical Wavelet Transforms by Jerome Gilles

This toolbox proposes the original implementation of Empirical Wavelet Transforms (signal processing, image processing, mathematics)

AnglesLocalMax(f,N)

AnglesLocalMaxMin(f,N)

Angular_sector(theta,radius,theta0,theta1,r0,r1,gammaw,Dthe...

Gaussian High Pass Filter by Muhammad Ammad

Implementation of high pass filter without using built-in functions. (high pass filter, edge detection, gaussian)

GaussianHighpass

Matlab Code Gaussian Elimination Method by Muhammad Ammad

Source = http://crunchmodo.com/matlab-code-gaussian-elimination-method/ (gaussian elimination ..., gaussian elimination, gaussian)

gauss_elimnation

Add Visible Line over Images (Modifed Version of the one in Doug's MATLAB Video Tutorials) by Anand P

This is a modified version of the one shared in Doug's MATLAB Video Tutorials (image processing, signal processing, data export)

cursorLine(x,y,innerThickness, outerThickness)

Kalman Filter demo for Ball Tracking by Bassam Jalgha

This code shows a demo of the kalman filter used to track a white ball. (kalman filter, linear quadratic esti..., linear system)

KalmanFilter.m

ball2.mp4

Plot2BMP by Bryan C. Smith

Exports Matlab arrays into BMP images. Many options for color, can handle complex arrays. (plotting, visualization, complex maps)

plot2bmp(Z,varargin)

mandelbrot.m

differential feature by Martin Trapp

Extraction of differential features on 3D Images. (image processing, medical)

differentialFeature( img, features, stepSize )

PCA by Devinder

this implements the PCA algorithm. User can choose/input the no.of features in the reduced Dataset. (pca, image processing, computer vision)

featureNormalize(X)

pca(X,n)

main.m

Adjust window level of image using mouse button by Yi Sui

You can adjust the window level using mouse (image processing, window level)

enableWL(hfig)

Simulink Support for Kinect by Takashi Chikamasa

Simulink Support for Kinect is a set of Simulink blocks interfaced with OpenNI and Kinect SDK. (image processing, instrument driver, demo)

checkDeviceBlock(model, maskType)

checkIMAQBlock(model, blk)

corner_detection_viewer(block)

CIUGRAM by Gholamreza (Shahab) Anbarjafari

Some fancy and cool filters for your images before you upload them to your social networks. (image processing, gui, ciu)

Ciugram(varargin)

INFO(varargin)

Moore-Neighbor Boundary Trace by Joshua

Moore-Neighbor Tracing to provide the trace of an object's boundary in a binary image. (moore, boundary, binary)

traceit( input )

Read NITF file with JPEG 2000 image compression. by Curtis

Read a NITF file with JPEG 2000 compression. (nitf, nitfread, jpeg 2000)

Img=ImReadNtf(NtfFnp)

compression of rgb images using wavelet transforms by Anila Ann Varghese

This code can be used to compare compression of RGB images using different wavelet transforms (image processing, image compression, wavelet transforms)

rgbcompression_wavelet_transforms.m

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)

GradUI by gurdy

Evaluate the grating duty cycle and its distribution (grating duty cycle, topdown sem image, dynamic programming)

GradUI

Virtual Painter by Oren berkovicth

Virtual Painter - this software allows you to draw a picture on the screen By following the red colo (image processing)

rgbcolor(x,y,color)

virtualpaint()

virtualpaint2(color)

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,xr...

Noises and Filters GUI by CyrilSPA

For a better comprehension of how interact noises with 2D and 3D images and how to filter them. (image processing, gui)

medfilt3(A,siz,padopt,CHUNKFACTOR)

noises_filters_GUI.m

Kinect Matlab by Dirk-Jan Kroon

Microsoft Kinect, OpenNI wrapper, Skeleton, Depth (2d, kinect, wrapper)

J=imagemax(Iin)

[I_SSD,I_NCC]=template_matching(T,I)

compile_cpp_files(OpenNiPath)

Fast 2D peak finder by natan

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

[cent, varargout]=FastPeakFind(d, threshold, filt ,edg, fid...

Nick local image thresholding by Jan Motl

Nick's binarization performs local image thresholding. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

output=nick(image, varargin)

Wolf local image thresholding by Jan Motl

Wolf's binarization performs local image thresholding. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

output=wolf(image, varargin)

Reading Philips MR Physiolgy logfiles by Paul Groot

ReadPhilipsScanPhysLog.m reads Philips scanphyslog files, which are created by Philips MRI scanners. (mri, philips, physiological)

ReadPhilipsScanPhysLog(filename, channels, skipprep)

distributePointsOnPolygon by Wouter

This function distributes polygon points evenly across the polygon. (polygon, distribution, points)

distributePointsOnPolygon( varargin )

Dicom Import GUI by Christian Wuerslin

Sorts DICOM files into series and lets you select the series you want to load in a GUI (dicom, medical images, data import)

DicomImport(sPath, lRecursive, csAdditionalTags)

Search duplicate images in sub folders using histogram by Tharindu Adikari

Finds duplicate images in a folder and in sub-folders using a histogram based method. (image processing, histogram, image)

add_to_db(file_path)

duplicates

scan_folder(folder_path)

Crop image by removing edges with homogeneous intensity by Guilherme Coco Beltramini

Crop image by removing edges with homogeneous intensity and leaving a specified width (image processing)

crop_img(img,border)

Plot a plane from 3 points by Nitish Tripathi

It plots a plane from 3 points. Its returns all the coeff of plane (a, b, c,d) (image processing, statistics, mathematics)

plot_line(p1, p2, p3)

Zernike Moments by Amir Tahmasbi

MATLAB Code for the Fast Calculation of Zernike Moments of order n and repetition m on NxN images. (image processing, signal processing, mathematics)

Zernikmoment(p,n,m)

radialpoly(r,n,m)

Zernike_main.m

Fit 2D Gaussian with Optimization Toolbox by Nathan Orloff

Fit a 2D rotated gaussian. http://en.wikipedia.org/wiki/Gaussian_function (image processing, optimization, signal processing)

fmgaussfit(xx,yy,zz)

Detect Changes from a Video by Jussi Mattila

Detects changes (movements, colour changes) from a video through frame-to-frame comparison. (image processing, change detection, video)

ChangeDetectionFromVideo.m

SFTA Texture Extractor by Alceu Costa

Implementation of the SFTA algorithm for texture feature extraction. (image descriptors, image processing, computer vision)

findBorders( I )

hausDim( I )

otsurec(I, ttotal)