[ITK] [ITK-users] Watershed with seed region

[Girish Mallya Udupi]

Yes, you need one object marker (which you already have in your image) and
another marker for the background. The simplest way to choose this, in your
case, is to mark any point which is far from the object marker.

On Wed, Jul 8, 2015 at 11:43 PM, András Osztroluczki <ahnryka at gmail.com>
wrote:

> I have a rough segmentation (marked with 1 value) and the background is 0.
> Should i change the background to sth else and it will work? Cos now the
> result of the watershedfrommarker is image with full of 1 values.
>
> Thanks for your time!
>
>
> On Wednesday, July 8, 2015, Richard Beare <richard.beare at gmail.com> wrote:
>
>> The watershedfrommarker requires seed regions. The trick is that you need
>> at least two - one for the thing you want to segment and one for everything
>> else. The seeds are regions in the marker image.
>>
>> On Thu, Jul 9, 2015 at 6:25 AM, András Osztroluczki <ahnryka at gmail.com>
>> wrote:
>>
>>> Hello ITK users!
>>>
>>> Is there any way to aid the watershed segmentation (watershed, morph
>>> watershed, morphwatershedfrommarker) with user defined seed region ?
>>>
>>> Thanks and Regards,
>>> Andras
>>>
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>>
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-- 
Regards,
Girish
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