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updated 4 years ago

Basic PCA based log-Likelihood Classifier by Dirk-Jan Kroon

PCA algorithm suitable for detection / recognition of 2D image "objects" (pca, classifier, likelihood)

[Lmean,Gmean,Cgppca,invCgppca,Vtot]=train_model(L,G)

[distanceL,distanceG,LogLikelihood]=apply_model(T,Lmean,G...

example_classifier_ms.m

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updated almost 7 years ago

Shape Recognition by Ahmed Samieh

differentiate Square, Rectangular, Circle from others (image analysis, shape properties, analysis)

Classify(ImageFile)

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updated almost 2 years ago

Particle Filter Color Tracker by Sebastien PARIS

Tracking an object in a video with a Color Particle Filter (tutorial, example, particle filter bhatt...)

mexme_pf_color_tracker.m

test_pf_colortracker.m

test_pf_colortracker2.m

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updated almost 3 years ago

Scenes/Objects classification toolbox by Sebastien PARIS

Scenes recognition toolbox for vision systems (densesift, color histograms, pixels patches)

demo_denseCOLOR

demo_denseMBLBP

demo_denseMBLDP

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updated 2 years 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 3 years ago

Image Descriptors / Features and Saliency Maps by Christopher Kanan

Good color image descriptors/features for object recognition (object recognition, computer vision, saliency)

Run_SUN(img, SUN, max_filters, img_size, skip_preprocessi...

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updated 5 years ago

Optical Character Recognition (OCR) by Diego Barragán

The aim of OCR is to classify optical patterns corresponding to alphanumeric or other characters. (application, ocr, optimal character rec...)

[fl re]=lines(im_texto)

letter=read_letter(imagn,num_letras)

OCR.m

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updated 3 months ago

Designing and implementation of Highly Efficient object tracking system using modified mean shift t by Rajshekar Kumar

this is a code developed for object recognition using modified mean shift tracking algorithm. (designing and impleme..., modified mean shift t..., object tracking using...)

B=findRegionBoundary_AVI(Ind)

Cov=enlargeCov(Cov,incre)

V0=correctCov(V0,area)

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updated 7 months ago

Objects/Faces Detection Toolbox by Sebastien PARIS

Objects/Faces detection using Local Binary Patterns and Haar features (faces detection, boosting, haar)

Demo illustrating (Center-Symetric) MultiBlock Local Bina...

Demo illustrating Circular Histogram Local Binary Pattern...

Demo illustrating HAAR features

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updated 5 years ago

Processed Histogram based Face Recognition by Usman Qayyum

The histogram based face recognition algorithm tested on ORL database with 99.75% accuracy (histogram, mean based bin format..., absolute distance)

FR_Processed_histogram(varargin)

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updated 6 years ago

Machine Vision System - Color Recognition by Vihang Patil

This gui is a demonstration on the concept of machine vision system for color recognition (color, camera, machine vision)

control_panel(varargin)

eyekon

intialcheck

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updated 2 years ago

Active Shape Model (ASM) and Active Appearance Model (AAM) by Dirk-Jan Kroon

Cootes 2D/3D Active Shape & Appearance Model for automatic image object segmentation and recognition (asm, active shape model, active shape)

A=imresize3d(V,scale,tsize,ntype,npad)

AAM_2D_example.m

AAM_3D_train_example.m

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updated 7 years ago

Character Recognition Example (IV):Training a Simple NN for classification by alireza KashaniPour

This demo shows some examples for image pre-processing before the recognition stage. (gui, display, annotation)

charcrop(bw)

createnn(P,T)

figresize(bw2)

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updated almost 6 years ago

Character Recognition Example (III):Training a Simple NN for classification by Tan Chin Luh

This demo shows some examples for image pre-processing before the recognition stage. (application, neural netwrok, image processing)

charGUI(varargin)

charGUI2(varargin)

edu_createnn(P,T)

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updated 5 years ago

Image segmentation & Extraction by Diego Barragán

This program segments and extracts objects from an image. (image processing, signal processing, templates)

Imag_seg_ex.m

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updated 3 years ago

Point Pattern Matching Algorithm for Hand Gesture / American Sign Language (ASL) Recognition by Caglar Arslan

A demonstration of American Sign Language recognition by using a Point Pattern Matching Algorithm. (computer vision, pattern recognition, image processing)

Selecteds=findMax(results,depth);

appendimages(image1, image2)

hgr(input);

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updated 7 years ago

Image segmentation & Extraction by Jeny Rajan

This program segments and extracts objects from an image. (morphology, segmentation, object identification)

seg.m

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updated 2 years 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, video processing)

ReplaceCard()

matching_fcn(ref_features, vid_features, th)

FaceDetection.m

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updated 10 months ago

Efficient Multidimensional Scaling (MDS) by Quan Wang

The is the source code of iterated Levenberg-Marquardt algorithm (ILMA) for solving MDS (mathematics, optimization, pattern recognition)

CM=confusion_matrix_reorder(CM)

[X, total_cost]=MDS_training(Dist,d,iter,strategy,display...

[X2]=MDS_encoding(X1,Dist,display_flag)

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updated 4 years ago

kalman filter example for body in gravitation by Maxim Vedenyov

with description and references (kalman filter body gr..., trajectory, kalman filter)

kalman_filter.m

kalman_filter_tmp.m

kalman_filter_tmp_2.m

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updated 7 months ago

LIDRIC by Sebastian Zambanini

LIDRIC is a "A Local Image Descriptor Robust to Illumination Changes" (image processing, feature extraction, illumination invarian...)

FeatureMap(img,GFB,varargin)

GaborFilterBank(resolution,varargin)

LIDRIC(positions,scales,F)

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updated 1 month ago

eigenfaces algorithm by michael scheinfeild

project faces to eigen faces for face detection (computer vision, eigenfaces, pca)

eigenFacesmatlab.m

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updated almost 15 years ago

discrim by Michael Kiefte

This is version 0.3 of the Discriminant Analysis Toolbox with major bug fixes. (statistics, probability, discriminant)

confmat(c, d)

crossval(rule, X, k, v)

mahalanobis(X, Mu, C)

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updated almost 10 years ago

IMAQMOTION - Image acquisition motion detection by David Tarkowski

A live image acquisition motion detection GUI. (example, application, imaqmotion image acqu...)

imaqmotion(obj)

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updated 2 years ago

A probabilistic model of classifier competence by Tomasz Woloszynski

Classifier competence based on full vector of class supports and probabilistic modelling. (competence, probabilistic modelin..., ensemble)

ccprmod(d,j,varargin)

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updated 11 months ago

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, mathematics, physics)

Zernikmoment(p,n,m)

radialpoly(r,n,m)

Zernike_main.m

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updated 4 years ago

myCNN by Nikolay Chumerin

myCNN is a Matlab implementation of convolutional neural network (CNN). (convolutional neural ..., pattern recognition, ocr)

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updated 4 years ago

CONFIGR (CONtour FIgure and GRound) by Massimiliano Versace

CONFIGR (CONtour FIgure and GRound) is a model that performs long-range contour completion. (image processing, biological models vis..., neural networks)

A=sign01(B);

A=sign02(B);

ImageColor=SimpleRoadImage(Iin)

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updated 4 years ago

Wavelet Approximations Phase-based Optical Flow GUI by Michael Dessauer

GUI implements Gautama's phase-based optical flow with additional parameters to measure velocity (optical flow, wavelet decomposition, target tracking)

WPBOF_GUI.m

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updated 1 year ago

Multilinear Principal Component Analysis (MPCA) by Haiping Lu

The codes implement two algorithms: Multilinear Principal Component Analysis (MPCA) and MPCA+LDA. (image processing, video processing, dimensionality reduct...)

MPCA(TX,gndTX,testQ,maxK)

MPCALDA(TX,gndTX,MPCADADim,testQ,maxK)

[GaitDBDir,probes,numprobe]=testData

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updated 5 months ago

Uncorrelated Multilinear Discriminant Analysis (UMLDA) by Haiping Lu

The codes implement the Uncorrelated Multilinear Discriminant Analysis (UMLDA) algorithm. (dimensionality reduct..., face recognition, feature extraction)

CombR1s=calcR1(allnewfeas,gnd,trainIdx,testIdx)

MaxSWLmds=estMaxSWEV(TX,gndTX)

RUMLDA(TX,gndTX,numP,gamma,MaxSWLmds,iInit)

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updated almost 4 years ago

nu_corrector by Yuanjie Zheng

nu_corrector is a tool for correcting vignetting and bias of image. (vignetting correction, bias correction, artifact)

C=getC(sz)

Lv=getLv(sz,dim,inds2process)

Lxx=getLxx(sz,dim)

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updated 3 years ago

color image segmentation by Su Dongcai

segment color image robust to texture (image processing)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

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updated 3 years ago

xml_io_tools by Jaroslaw Tuszynski

Read XML files into MATLAB struct and writes MATLAB data types to XML (data import, data export, xml)

Tutorial for xml_io_tools Package

base64decode(x, outfname, alg)

base64encode(x, alg, isChunked, url_safe)

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updated almost 9 years ago

quadprog2 - convex QP solver by Michael Kleder

Solves convex constrained quadratic programming (QP) using SOLVOPT. (optimization, convex, constrained)

quadprog2(varargin)

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updated 3 years ago

Face Detection System by Omid Sakhi

Face Detection using Gabor feature extraction and neural network (application, face detection, neural networks)

drawrec (in,w)

gabor (w,nu,mu,Kmax,f,sig)

im2vec (W27x18)

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updated almost 2 years ago

Virtual Touch Screen by hetal khakharia

Webcam based virtual touchscreen/keyboard (webcam, touch screen, image processing)

virtual_touch.m

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updated almost 6 years ago

2D Gabor Wavelets by Zhi Chai

Create and show 2D Gabor Wavelets (filtering, gabor, wavelets)

GaborWavelet (R, C, Kmax, f, u, v, Delt2);

GaborExample.m

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updated 1 year ago

Feature selector based on genetic algorithms and information theory. by Oswaldo Ludwig

The algorithm performs the combinatorial optimization by using Genetic Algorithms. (feature selection, genetic algorithms, artificial intelligen...)

H=entropia2(X,resolucao)

[Hx,Hy,MIxy,MIxx]=statistics(X,y)

[Selected]=GA_feature_selector(feat_numb,X,y)

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updated 7 years ago

Face & eye detection by Mustafa UCAK

Simple face and eye detection (morphology, segmentation, face)

[face_a,skin_region]=face(I);

eyematch2.m

findeye(NumberOfFrames,prefix,fileformat,threshold);

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updated 3 years ago

HOG descriptor for Matlab by Oswaldo Ludwig

Image descriptor based on Histogram of Oriented Gradients for gray-level images (image descriptor, computer vision, artificial intelligen...)

H=HOG(Im)

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updated 10 years ago

Target Detection by M M

Detects a Target image in a given image and focuses on it. (application, target detection, cross correlation)

target.m

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updated 3 years ago

Feature Selection using Matlab by Dimitrios Ververidis

Select the subset of features that maximizes Correct Classification Rate. (demo, gui, signal processing)

...

BayesClassValidationSet(...

CalcInfoLoss(D, N, Crossval_OR_Resubstit)

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updated 1 year ago

Cuckoo Search (CS) Algorithm by Xin-She Yang

A standard Cuckoo Search is implemented, which is very efficient. There are three versions now. (mathematics, optimization, finance)

[bestnest,fmin]=cuckoo_search(n)

[bestnest,fmin]=cuckoo_search_new(n)

[bestsol,fval]=cuckoo_search_spring(time)

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updated 1 year ago

Geometric Gaussian-Kernel Bolstered Error Estimation for Linear Classification by Arsen Arakelyan

This is fast implementation of bolstered error estimation algorithm for linear SVM classification. (linear classification, feature selection, bolstered error estim...)

bolster.m

spherecapbetainc.m

svm(P,T,flag)

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updated 3 months ago

Face Parts Detection by Masayuki Tanaka

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

buildDetector( thresholdFace, thresholdParts, stdsize )

checkToolboxes(req)

detectFaceParts(detector,X,thick)

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updated 3 months ago

Deep Neural Network by Masayuki Tanaka

It provides deep learning tools of deep belief networks (DBNs). (machine learning)

CalcErrorRate( dbn, IN, OUT )

CalcRmse( dbn, IN, OUT )

GetDroppedDBN(dbn, DropOutRate, strbm)

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updated almost 2 years ago

Binary Image Watermarking/Data Hiding: Data, Algorithms, and Distortion Measure by Haiping Lu

A package on binary image watermarking/data hiding, including data, algorithms & distortion measure. (watermarking, data hiding, binary image)

DRDValue=CalImDistDRD(OriImg,DistImg,MaskSize)

DesignNoise(ImName,Dimention,IgnoreT,blksize,IncVal,Diffe...

DistTable=CalDisTable(ImName,Dimention)

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updated almost 6 years ago

Open CV Viola-Jones Face Detection in Matlab by Sreekar Krishna

Viola-Jones Fast Face Detection Mex Implementation (application, face detection, matlab implementation)

TestFaceDetection.m

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updated 4 years ago

Log-polar image sampling by David Young

Resamples an image from a conventional grid to a log-polar grid, and back. (image analysis, image transform, image resampling)

logsampback(logarr, rmin, rmax)

logsample(arr, rmin, rmax, xc, yc, nr, nw)

logtform(rmin, rmax, nr, nw)

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