[ITK] Binary thresholding using OtsuThresholdImageFilter

[Girish, Gavaskar Ruturaj]

Dear Brad,

Thank you. I am able to get it to work.

Regards,
Ruturaj
From: Bradley Lowekamp [mailto:blowekamp at mail.nih.gov]
Sent: Thursday, May 08, 2014 6:39 PM
To: Girish, Gavaskar Ruturaj
Cc: community at itk.org
Subject: Re: [ITK] Binary thresholding using OtsuThresholdImageFilter

You can set the InsideValue to 1 and the OutsideValue to 0. To determine the default values you can print a constructed object, or you can examine the code[1].

[1] https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Filtering/Thresholding/include/itkHistogramThresholdImageFilter.hxx

Hope that helps,
Brad
On May 8, 2014, at 5:50 AM, Girish, Gavaskar Ruturaj <gavaskar.ruturaj.girish at philips.com<mailto:gavaskar.ruturaj.girish at philips.com>> wrote:


Dear all,

In OtsuThresholdImageFilter, can we decide if the calculated Otsu threshold becomes the lower threshold or upper threshold? I want a means to set values in the range (0, Otsu threshold) to 255 and other values to 0. What parameters do I need to set to achieve this?
(I checked the code here: http://www.itk.org/Wiki/ITK/Examples/Segmentation/OtsuThresholdImageFilter , where the functions SetInsideValue & SetOutsideValue have not been used, so I am confused.)

Thanks & Regards
Ruturaj


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