gaussian

Contents: Description, Arguments, Usage, Examples, Images, Sub-Functions, Related Functions, Source Supported Under Version: > 1.01 Current .dvrc Version: 1.02 Description Creates a gaussian filter kernel of size x by y by 1 Arguments and Return Values Arguments: Dimensions of desired kernel [x,y] Return Value: A float bsq array Usage Syntax: gaussian(width, height [, amplitude = FLOAT][, sigma = FLOAT]) width = desired kernel width height = desired kernel height Optional: sigma = kernel standard deviation (Default is 1) amplitude = height of the normal kernel value (Default is 1) Examples dv> kern=gaussian(1,21) 1x21x1 array of float, bsq format [84 bytes] 1.928749893e-22 2.576757150e-18 1.266416578e-14 2.289734895e-11 1.522997906e-08 3.726653176e-06 0.0003354626242 0.01110899635 0.1353352815 0.6065306664 1.000000000 0.6065306664 0.1353352815 0.01110899635 0.0003354626242 3.726653176e-06 1.522997906e-08 2.289734895e-11 1.266416578e-14 2.576757150e-18 1.928749893e-22 dv> kern2=gaussian(1,21,sigma=2) 1x21x1 array of float, bsq format [84 bytes] 3.726653176e-06 4.006529707e-05 0.0003354626242 0.002187491162 0.01110899635 0.04393693432 0.1353352815 0.3246524632 0.6065306664 0.8824968934 1.000000000 0.8824968934 0.6065306664 0.3246524632 0.1353352815 0.04393693432 0.01110899635 0.002187491162 0.0003354626242 4.006529707e-05 3.726653176e-06 dv> plot(kern,kern2) Images

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