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updated 25 days ago

Feature selection with SVM-RFE by Edward Wiggin

Edward Wiggin (view profile)

Support vector machine recursive feature elimination (SVM-RFE), with correlation bias reduction (pattern recognition, feature selection, svm)

ftSel_SVMRFECBR(ft,label,param)

ftSel_SVMRFECBR_ori(ft,label,param)

defParam.m

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updated 25 days ago

Bayes classification for 2D Gaussian distributions by Edward Wiggin

Edward Wiggin (view profile)

Draw Bayes classification results for 2D Gauss. distributions, return func. handles of N post. prob. (pattern recognition, bayes, 2d)

drawBayesGauss2D(mu,c,prProb,ax)

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updated 25 days ago

Gabor surface feature for face recognition by Edward Wiggin

Edward Wiggin (view profile)

A face recognition framework (image processing, pattern recognition, face recognition)

initFt_GSF.m

train_fld_ep.m

genGaborKernelF.m

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updated 1 year ago

plot 2D implicit function by Edward Wiggin

Edward Wiggin (view profile)

a simple program to plot 2D implicit functions (plot)

drawImplicitFun( f,xRange,yRange,grid )

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updated almost 3 years ago

Lucas-Kanade Tracker with pyramid and iteration by Edward Wiggin

Edward Wiggin (view profile)

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

LKTrack1( img1, img2, X1, Y1 )

LKTrackPyr( img1, img2, X1, Y1 )

LKTrackWrapper( imgseq,X1,Y1 )

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updated 4 years ago

supervised NPE(neighborhood preserving embedding) subspace for dimension reduction by Edward Wiggin

Edward Wiggin (view profile)

compute the supervised NPE(neighborhood preserving embedding) subspace for dimension reduction. (npe, supervised, subspace)

train_snpe.m

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updated 4 years ago

image mosaic using SIFT by Edward Wiggin

Edward Wiggin (view profile)

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

appendimages(image1, image2)

findHomography(pts1,pts2)

imMosaic.m

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updated 4 years ago

Corner Detection using SUSAN operator by Edward Wiggin

Edward Wiggin (view profile)

Detect corner points in an image using SUSAN operator. (corner, susan, image analyse)

susanCorner( img )

testSusan.m

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updated 4 years ago

RANSAC algorithm with example of finding homography by Edward Wiggin

Edward Wiggin (view profile)

RANSAC algorithm with example of line fitting and finding homography of 2 images (image processing, ransac, line fitting)

findHomography(pts1,pts2)

genRansacTestPoints( ptNum,outlrRatio,inlrStd,inlrCoef )

randIndex(maxIndex,len)

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updated 4 years ago

find and mark lines using Hough transform by Edward Wiggin

Edward Wiggin (view profile)

hough1.m do the Hough trans to an image, findlines.m mark the start and ending points of the lines (image processing, line feature, hough transform)

findlines( imge,map,theta,rho,minLen,maxLineNum,maxPeakNu...

hough1( bw,mapSz )

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updated 4 years ago

Filter with Gabor Kernel using FFT by Edward Wiggin

Edward Wiggin (view profile)

Filter an image with M*N Gabor kernels, return the result. Use FFT to accelerate. (image processing, gabor, wavelet)

gaborConvF(img,G,gWinLen)

genGaborKernel.m

genGaborKernelF( mu,nu,sigma,scaleXY,imgSz )

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updated 4 years ago

image pyramid(Gaussian and Laplacian) by Edward Wiggin

Edward Wiggin (view profile)

Generate an image pyramid or reconstruct from a pyramid. (image processing, image pyramid, multiresolution)

genPyr( img, type, level )

pyrReconstruct( pyr )

pyr_expand( img )

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