Image:ScaleSpaceKernels.png

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[edit] Summary

Scale-space kernels, comparing ideal discrete gaussian based on bessel function (red) with two-pole-pair forward/backward smoothers. Using alpha=1, t=1:5, pole position exp(-s) and exp(s) with s = sqrt(alpha*t)/4.

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File history

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	Date/Time	Dimensions	User	Comment
current	06:48, 5 September 2006	304×486 (7 KB)	Dicklyon (Talk \| contribs)	(Scale-space kernels, comparing discrete Gaussien (red) with symmetric pole-pair response (blue) using pole position of Z = 1 + 2/t - sqrt((1 + 2/t)^2 - 1) and its reciprocal, to match transfer function curvature at DC, which obeys a semi-group property.)
	06:42, 5 September 2006	(71 KB)	Dicklyon (Talk \| contribs)	(Scale-space kernels, comparing discrete Gaussien (red) with symmetric pole-pair response (blue) using pole position of Z = 1 + 2/t - sqrt((1 + 2/t)^2 - 1) and its reciprocal, to match transfer function curvature at DC, which obeys a semi-group property (a)
	05:39, 26 August 2006	381×531 (10 KB)	Dicklyon (Talk \| contribs)	(Scale-space kernels, comparing ideal discrete gaussian based on bessel function (red) with two-pole-pair forward/backward smoothers. Using alpha=1, t=1:5, pole position exp(-s) and exp(s) with s = sqrt(alpha*t)/4.)