Image:ScaleSpaceKernels.png
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ScaleSpaceKernels.png (304 × 486 pixel, file size: 7 KB, MIME type: image/png)
[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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- (del) (cur) 06:48, 5 September 2006 . . Dicklyon (Talk | contribs) . . 304×486 (7,235 bytes) (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.)
- (del) (rev) 06:42, 5 September 2006 . . Dicklyon (Talk | contribs) . . 0×0 (72,313 bytes) (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)
- (del) (rev) 05:39, 26 August 2006 . . Dicklyon (Talk | contribs) . . 381×531 (10,084 bytes) (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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