Hi Lijie, Maybe this is the wrong mailing list, and you were wanting to send this to the skimage mailing list?
Cheers, Gaël On Thu, Jan 03, 2013 at 11:03:35PM +0800, soft.join Huang wrote: > Hi, all, > > I may have found where the problem is. > > When I load nifti data using nibabel, the data would be store in > Fortran-contiguous, and in numpy the data would be store in C-contiguous for > default. The function skimage.morphology.is_local_maximum() would give > different result for the two different data format. > > I think I should report the issue. > > Best regards, > Lijie Huang > On Wed, Jan 2, 2013 at 9:11 PM, soft.join Huang <[email protected]> wrote: > Hi, all, > I found a weird problem when I load nifti data using nibabel and process > it > with skimage. > I want to find local maximum voxel in a nifti data using > skimage.morphology.is_local_maxmimum. > And I do above in two different ways: > 1. >>> data = nibabel.load('test.nii.gz').get_data() > >>> peaks = skimage.morphology.is_local_maximum(data) > 2. >>> data = nibabel.load('test.nii.gz').get_data() > >>> data = data.copy() > >>> peaks = skimage.morphology.is_local_maximum(data) > The two different ways give me two different results, and the second one > return the right answer. > I don't know what's wrong with the first one. Hope for your help. > Best regards, > Lijie Huang > ------------------------------------------------------------------------------ > Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, > MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current > with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft > MVPs and experts. ON SALE this month only -- learn more at: > http://p.sf.net/sfu/learnmore_122712 > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general -- Gael Varoquaux Researcher, INRIA Parietal Laboratoire de Neuro-Imagerie Assistee par Ordinateur NeuroSpin/CEA Saclay , Bat 145, 91191 Gif-sur-Yvette France Phone: ++ 33-1-69-08-79-68 http://gael-varoquaux.info http://twitter.com/GaelVaroquaux ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. ON SALE this month only -- learn more at: http://p.sf.net/sfu/learnmore_122712 _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
