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ID

Project

Category

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Date Submitted

Last Update

0004934

ITK

public

2007-04-25 18:17

2007-07-05 13:02

Reporter

Luis Ibanez

Assigned To

Luis Ibanez

Priority

urgent

Severity

major

Reproducibility

always

Status

closed

Resolution

fixed

Platform

OS

OS Version

Product Version

Target Version

Fixed in Version

Summary

0004934: HessianRecursiveGaussian bug in computation of diagonal

Description

The computation of the diagonal element in the Hessian matrix results in a double smoothing of that axis, and the lack of smoothing in one of the orthogonal axis.

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Notes
(0007474) Luis Ibanez (manager) 2007-04-25 18:18	This was pointed out by Andreas Keil in the users list: http://public.kitware.com/pipermail/insight-users/2007-April/022019.html [^]

(0007476) Luis Ibanez (manager) 2007-04-25 18:27	A fix has been committed to the repository http://www.itk.org/cgi-bin/viewcvs.cgi/Code/BasicFilters/itkHessianRecursiveGaussianImageFilter.txx?root=Insight&sortby=date&r2=1.5&r1=1.4 [^] we still need to verify the correctness of the spacing factor applied to the second derivative values at the end.

(0007993) 2007-07-05 13:01	Ivan Macia confirmed that the current version works properly: http://public.kitware.com/pipermail/insight-users/2007-July/022794.html [^]

(0007994) Luis Ibanez (manager) 2007-07-05 13:01	Ivan macia created a new bug on this issue: 0005292

(0007995) Luis Ibanez (manager) 2007-07-05 13:02	Ivan Macia confirmed that the current version is working properly: http://public.kitware.com/pipermail/insight-users/2007-July/022794.html [^]

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