Hiiii...I found trouble in dividing the image into different scale space and smoothing it by gaussian filter

2013 3 14
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I want to apply SIFT algorithm in image for the detection of forgery but i m not able how to code the gaussian function in different scale space....plz help me

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Anand
Anand 2013-3-21

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If you don't have the Computer Vision System Toolbox and want to compute the scale space, why don't you just do the smoothing yourself.
For each sigma corresponding to a different scale, you can convolve the image with a gaussian filter using the imfilter function.
im_sigma = imfilter(im,fspecial('gaussian',hsize,sigma));

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