LOG for Blob Detection











>> YOUR LINK HERE: ___ http://youtube.com/watch?v=6kvKzONBQK4

Code 1: • clc • clear all • close all • warning off • x1=linspace(-5,5,1000); • x2=linspace(-5,5,1000); • [X,Y]=meshgrid(x1,x2); • z=exp(-(X.^2+Y.^2)); • nexttile; • h=surf(z); • set(h,'LineStyle','none'); • title('2d Gaussian Signal'); • g=[0 1 0;1 -4 1;0 1 0]; • output=imfilter(z,g); • nexttile; • ms=surf(output); • set(ms,'LineStyle','none'); • title('Double Derivative Gaussian Signal'); • nexttile; • h=pcolor(x1,x2,output);set(h, 'EdgeColor', 'none'); • title('Contour View of Double Derivative Gaussian Signal'); • final=nexttile; • mk=pcolor(x1,x2,output); • set(mk,'LineStyle','none'); • colormap(final,gray); • title('Eye') • • Code 2: • clc • clear all • close all • warning off • x=imread('cameraman.tif'); • nexttile; • imshow(x); • title('Input Image'); • nexttile; • h=fspecial('log',15,1); • filtered_image=imfilter(x,h); • imshow(filtered_image); • title('Output of LoG Filter'); • • Laplacian Of Gaussian | Digital Image Processing | Engineering •    • Laplacian Of Gaussian | Digital Image...   • Laplacian of Gaussian Matlab Code •    • Laplacian of Gaussian Matlab Code   • Learn Complete Machine Learning Data Science using MATLAB: •    • Data Science   Machine Learning using...   • Learn Digital Signal Processing using MATLAB: •    • Digital Signal Processing Matlab   • Learn Complete Image Processing Computer Vision using MATLAB: •    • Digital Image Processing using MATLAB   • πŸ™πŸ™πŸ™πŸ™πŸ™πŸ™πŸ™πŸ™ • YOU JUST NEED TO DO • 3 THINGS to support my channel • LIKE • SHARE • • SUBSCRIBE • TO MY YOUTUBE CHANNEL • • #DigitalImageProcessing #MATLAB #ComputerVision

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