[Insight-users] Get label boundaries

[Bill Lorensen]

And here is an example:
http://itk.org/Wiki/ITK/Examples/ImageSegmentation/LabelContourImageFilter

Bill


On Tue, Feb 25, 2014 at 7:15 AM, Nicholas Tustison <ntustison at gmail.com> wrote:
> Perhaps this is what is needed:
>
> http://www.itk.org/Doxygen/html/classitk_1_1LabelContourImageFilter.html
>
>
>
> On Feb 25, 2014, at 7:02 AM, Dženan Zukić <dzenanz at gmail.com> wrote:
>
> I believe he is referring to contours of labels.
>
> Maybe you can calculate distance map, and then zero out the pixels/voxels
> which are more than 1 pixel away from the boundaries?
>
>
> On Mon, Feb 24, 2014 at 2:46 PM, Bradley Lowekamp <blowekamp at mail.nih.gov>
> wrote:
>>
>> Hello,
>>
>> What do you mean by boundaries? An axis aligned bounding box? A oriented
>> bounding box? Or A contour of label?
>>
>> Brad
>>
>> On Feb 24, 2014, at 7:44 AM, Martijn Steenwijk
>> <martijnsteenwijk at gmail.com> wrote:
>>
>> > Hi all,
>> >
>> > Is there any way to easily obtain the (inner and/or outer) boundaries of
>> > a set of labels (preserving label id's), in order to compute some statistics
>> > at the label boundaries, for example with itkLabelStatisticsImageFilter?
>> >
>> > Thanks for ideas in advance,
>> > Martijn
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