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updated 1 year ago

plot 2D implicit function by Edward Wiggin

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

drawImplicitFun( f,xRange,yRange,grid )

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updated 2 years ago

Lucas-Kanade Tracker with pyramid and iteration by Edward Wiggin

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 3 years ago

Bayes classification for 2D Gaussian distributions by Edward Wiggin

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 3 years ago

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

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

train_snpe.m

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updated 3 years ago

image mosaic using SIFT by Edward Wiggin

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 3 years ago

Corner Detection using SUSAN operator by Edward Wiggin

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

susanCorner( img )

testSusan.m

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updated 3 years ago

RANSAC algorithm with example of finding homography by Edward Wiggin

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 3 years ago

find and mark lines using Hough transform by Edward Wiggin

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 3 years ago

Filter with Gabor Kernel using FFT by Edward Wiggin

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 3 years ago

image pyramid(Gaussian and Laplacian) by Edward Wiggin

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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