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updated 7 hours ago

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...

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updated 4 days ago

Histogram Equalization by Devinder

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

histeq.m

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updated 14 days ago

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

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updated 19 days ago

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

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updated 21 days ago

Boosted Binary Regression Trees by Kota Hara

Boosted Binary Regression Trees is a powerful regression method which can handle vector targets. (statistics, data mining, regression)

brtTest( input, brtModel, varargin )

brtTrain( X, T, leafNum, treeNum, nu )

findBestSplit( X, T )

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updated 1 month ago

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)

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updated 1 month ago

STEREO IMAGE TRIANGULATION - LINEAR CASE by Bashar Alsadik

Based on collinearity equations, two image triangulation by bundle is implemented. (image processing, geomatics, photogrammetry)

intersectionlinear.m

image intersect.m

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updated 2 months ago

Multi-Focus Image Fusion in DCT Domain by Mohammad Haghighat

Simulation of two multifocus image fusion methods in DCT domain: 1.DCT+Variance 2.DCT+Variance+CV (image fusion, dct domain, consistency verificat...)

DctVarFusion(im1, im2)

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updated 3 months ago

Lens Distortion Explorer by Michael Quinn

Explore a standard lens distortion model. (computer vision, image processing, lens distortion)

Lens Distortion Explorer

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updated 3 months ago

Image Sample cropping tool by Vignesh Ramkrishnan

This is a script which enables you to interactively crop image samples from a directory of images (image processing, computer vision, machine learning)

imcrop_tool(dirname,output_path)

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updated 3 months ago

March 2013 Japanese webinar "Introduction to Image Processing and Computer Vision with MATLAB" by Masa Otobe

Script used in the Japanese webinar for image processing and computer vision held on Mar. 01, 2013. (demo, image processing, computer vision)

S1_1_Index.m

S1_2_Thresholding_morph_coin_rice.m

S1_3_filtering.m

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updated 4 months ago

Face Parts Detection by Masayuki Tanaka

It detects faces with left eye, right eye, mouth, and norse. (computer vision, face, image processing)

buildDetector( thresholdFace, thresholdParts, stdsize )

checkToolboxes(req)

detectFaceParts(detector,X,thick)

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updated 4 months ago

Cascade Training GUI: Specify Ground Truth by Brett Shoelson

Interactive GUI for managing the selection and positioning of rectangular ROIs in a list of images. (object detection, machine learning, computer vision)

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updated 4 months ago

space photo resection by Bashar Alsadik

This code is developed to compute the exterior orientation parameters of the camera. (photogrammetry, computer vision, image processing)

Imageresection (XYZ,xx,yy,wpk,f )

terrestrial image example.m

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updated 5 months ago

Active Contours implementation & test platform GUI by Nikolay S.

Implementation and demonstration of several active contours segmentation methods. (geodesic snakes, enhancement, segmentation)

Active Contours implementation & test platform GUI

ActiveContoursWihoutEdges(hObject,mask)

LevelSetEvolutionWithoutReinitialization(Img,sigma,epsilon,...

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updated 5 months ago

ContCode - Palmprint Feature Representation by Zohaib Khan

Compute the Multidirectional Feature Encoding (Contour Code Representation) of an Image (computer vision, palmprint recognition, palmprint)

ContCode(I,k,varargin)

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updated 5 months ago

January 2013 "Computer Vision with MATLAB" webinar demo files by Bruce Tannenbaum

MATLAB code used in the computer vision webinar held on January 29, 2013. (computer vision, face detection, object detection)

y=playControls()

FacePeopleDetection.m

ForegroundDetection.m

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updated 5 months ago

Averaging Quaternions by Tolga Birdal

This function computes the average (mean) quaternion. (rotation, mean, average)

[Qavg]=avg_quaternion_markley(Q)

[]=test_avg_quaternion()

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updated 6 months ago

GMM-HMRF by Quan Wang

GMM-Based Hidden Markov Random Field for Color Image and 3D Volume Segmentation (image processing, optimization, pattern recognition)

BoundMirrorExpand(A)

BoundMirrorShrink(A)

GMM=get_GMM(X,Y,g)

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updated 7 months ago

Mean shift for finding modes by Soumitry J Ray

The submission finds modes in data. Data is generated from a mixture of gaussian with added outliers (computer vision, data mining, find modes)

findModes(points, n_seeds, dTol)

generateData(nDims,nPts,nClusters)

plotData(data, labels, data_mean)

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updated 7 months ago

Binary decision tree by Quan Wang

This software implements binary decision tree classifier in Matlab. (image processing, pattern recognition, machine learning)

T=create01Tree(X,label,Depth,Splits,MinNode)

T=get01Tree(k,T,X,label,Depth,Splits,MinNode)

[d c]=index2depth(k)

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updated 8 months ago

GPU Implementation for GVF Force Field by Quan Wang

We implement the GVF force field on GeForce GPU using CUDA. (image processing, optimization, signal processing)

info =mha_read_header(filename)

mha_read_volume(info)

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updated 9 months ago

Locality Preserving Projection (LPP) Based Facial Feature Detection by Iftekhar Tanveer

Classify if a person is wearing spectacles or not using Locality Preserving Projection (LPP) (lpp, computer vision, face)

EuDist2(fea_a,fea_b,bSqrt)

LGE(W, D, options, data)

LPP(W, options, data)

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updated 9 months ago

Visual scanpaths via Constrained Levy Exploration of a saliency landscape by Giuseppe Boccignone

The code is a simple demo of visual scanpath generation via Constrained Levy Exploration. (image processing, computer vision, visual attention)

SpectralResidualSaliency(inImage)

cleComputePotential(sal, tau_V, rows, cols)

cleComputeSaliency.m

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updated 9 months ago

Active geometric shape models by Quan Wang

The active geometric shape model is a novel approach for fitting a geometric shape in images. (shape model, image processing, optimization)

BoundMirrorEnsure(A)

BoundMirrorExpand(A)

BoundMirrorShrink(A)

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updated 9 months ago

Fast Linear binary SVM classifier by Sebastien PARIS

Fast implementation of Linear binary SVM via BLAS/OpenMP API (largescale svm, computer vision, supervised classifica...)

test_lsvm

basicroc.m

mexme_lsvm(options)

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updated 10 months ago

Active contour platform by olivier bernard

Compare the performance of different level sets and active contours methods. (level sets, active contours, segmentation)

Active contour platform

creaseg()

creaseg_bernard(img,init_mask,max_its,scale,thresh,color,di...

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updated 10 months ago

Stereo Matching by Wim Abbeloos

A GUI demonstrates an efficient stereo matching algorithm. (disparity, algorithm, computer vision)

Stereo Matching

polyfit(x,y,n)

stereomatch(imgleft, imgright, windowsize, disparity, spacc...

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updated 11 months ago

Histograms of Oriented Gradients by Leo

mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005). (gradients, histogram of oriented..., histograms)

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updated 11 months ago

Lucas-Kanade Tracker with pyramid and iteration by Edward Wiggin

Use Lucas-Kanade Algorithm to track feature points between 2 images (lucaskanade, computer vision, tracking)

LKTrack1( img1, img2, X1, Y1 )

LKTrackPyr( img1, img2, X1, Y1 )

LKTrackWrapper( imgseq,X1,Y1 )

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updated 1 year ago

Fast computation of Zernike Radial Polynomials by Mohammed Sadeq Al-Rawi

Q-recursive based iteration function (zernike moments, image processing, signal processing)

zernike_radial_polynomials(n,r)

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updated 1 year ago

DEM: Diffused expectation maximisation for image segmentation by Giuseppe Boccignone

Color image segmentation using a variant of the Expectation-Maximization (EM) algorithm. (expectationmaximisati..., image processing, computer vision)

gmmdem(mix, x, options, diffoptions)

label(im, str)

normalise(A, dim)

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updated 1 year ago

Fast Noise Estimation in Images by Tolga Birdal

Estimate the standard deviation of the noise in a gray-scale image. (computer vision, noise estimation, image processing)

estimate_noise.m

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updated 1 year ago

March 2012 demo files for "Computer Vision with MATLAB" by Bruce Tannenbaum

Demo files for "Computer Vision with MATLAB" held on March 2012. (computer vision, image processing, face detection)

ReplaceCard()

matching_fcn(ref_features, vid_features, th)

FaceDetection.m

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updated 1 year ago

Tracking by Xiong Xiao

Used background subtraction and Kalman filter for moving object tracking (computer vision)

ComVi_Homework4.m

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updated 1 year ago

Manual Ground Plane Mark up and Camera Calibration by Ben

Can be used to crudely calibrate camera by eye and define groundplane. (computer vision, camera calibration, ground plane estimati...)

CameraCalib(varargin)

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updated 1 year ago

Picture Letter Recognition software by nathanial hapeman

This program is able to recognize characters in a picture (computer vision, picture, image processing)

me_153_project.m

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updated 1 year ago

The PhD face recognition toolbox by Vitomir Struc

Useful functions for face recognition research. (epc curve, kpca, kfa)

compute_kernel_matrix_PhD.m

construct_Gabor_filters_PhD.m

evaluate_results_PhD.m

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updated 1 year ago

create a binary sphere by zhang zhen

create a binary sphere (computer vision)

cutellipsoid.m

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updated 1 year ago

Object Matching by Li yang Ku

An object matching method based on Lowe, D.G. Object recognition from local scale-invariant features (computer vision, surf, sift)

Demo.m

createTargetModel(targetImage, targetModelImage)

matchTarget(targetModel, testImage)

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updated 1 year ago

skin_face_detecting by suong Tran

This code can be used to detect face if the color of the background is not the same skin color. (face detecting, object tracking, image processing)

skin_face_detecting.m

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updated 1 year ago

point correspondence among 3D shape by Qing He

This code computes the point correspondence among 3D shapes. (computer vision)

[Z]=warpx3d(X1,Y1,Xtrans, reg)

[cx,cy,cz,E,L]=bookstein3d(X,Y,beta_k);

[v,nmv,u]=tpsmatch(v11,v30,f11,f30,nm11,nm30);

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updated 1 year ago

Picture Transformation Finder by Alexander Wallar

This function finds the transformation matrix of two images. (computer vision, parallel computation, parallel)

picTransformation(pic1, pic2)

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updated almost 2 years ago

Fingerprint matching algorithm using shape context and orientation descriptors by Joshua Abraham

Fingerprint matching code using a hybrid descriptor. EER < 1% (approx. 0.75%) on FVC2002 Db1_A. (biometric, fingerprint, fingerprint matching)

...

FindOrient(img, x, y)

FindTheta(img, x, y, CN)

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updated almost 2 years ago

Sharpness Estimation From Image Gradients by Tolga Birdal

The simplest form of estimating the sharpness feature from a grayscale image (sharpen, sharpness, unsharp)

[]=estimate_sharpness_test()

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updated almost 2 years ago

Smoothing 2D Contours Using Local Regression Lines by Tolga Birdal

This submission contains both the implementation and the test function for 2D contour smoothing. (smoothing, contour processing, chain codes)

test_smooth_contours()

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updated 2 years ago

Region Based Stereo Matching Algorithms by Baykant ALAGOZ

Disparity map generation by region based stereo algorithms (image processing, robot, map)

[Cikis]=IterativeAveragingFilter(I,iterasyon,PencereGen)

[ErrorEnergy]=windowSSE(Imr,Iml,windowSize,d)

stereoGlobalEnergyMinV2.m

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updated 2 years ago

Demos from "Computer Vision with MATLAB" webinar by Bruce Tannenbaum

Demo files for the "Computer Vision with MATLAB" webinar held on April 19, 2011. (computer vision, video processing, image processing)

FeatureBasedRegistration.m

StereoDisparityMap.m

TextureClassification.m

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updated 2 years ago

Edge detection by nonlinear derivatives by Olivier LALIGANT

This short demo presents an efficient algorithm for edge detection. (image processing, edge detection, edge localization)

edgeNL()

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updated 2 years ago

image mosaic using SIFT by Edward Wiggin

Automatic image mosaic using SIFT, RANSAC and homography. (computer vision, image mosaic, sift)

appendimages(image1, image2)

findHomography(pts1,pts2)

imMosaic( img1,img2,adjColor )

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