[Insight-users] Question about the BinaryDilated and Binary image in general.

[Saurabh Garg]

Hi Ariel,

It is an option in case your foreground value is different than default.
DilateValue defaults to the maximum possible value of the PixelType.

HTH,
Saurabh

On Tue, Oct 2, 2012 at 11:12 AM, Ariel Hernán Curiale <curiale at gmail.com>wrote:

> Hi Saurabh,
>
> I can use SetDilateValue or I must use it ?
> Because I saw this information but I assume that by default all pixel >0
> are treated like one. And in the wiki (
> http://www.itk.org/Wiki/ITK/Examples/Morphology/BinaryDilateImageFilter)
> they don't use SetDilateValue because the image is binary.
>
>
> Thanks,
> __________________________________
> | Ariel Hernán Curiale Ph.D Student
> | ETSI Telecomunicación
> | Universidad de Valladolid
> | Campus Miguel Delibes
> | 47011 Valladolid, Spain
> | Phone: 983-423000 ext. 5590
> | Web: www.curiale.com.ar
> |_________________________________
>
> El 02/10/2012, a las 20:02, Saurabh Garg escribió:
>
> Hi Ariel,
>
> You can use "SetDilateValue" to tell the Binary dilate filter, the value
> of your foreground pixel.
>
> HTH,
> Saurabh
>
> On Tue, Oct 2, 2012 at 9:53 AM, Ariel Hernán Curiale <curiale at gmail.com>wrote:
>
>> Hi,
>>
>> I'm trying to implement a BinaryDilate over a mask image (0 and 1) and
>> after read the class api I was sure that I will could do it :) but after a
>> while the the dilate filter always return the same image as input.
>> Reading the itkSoftwareGuide I found to my surprise that the input of the
>> dilated image (in the example of the page 174) was  0 for the background
>> and 255 for non-background. I did this change using a RescaleIntensityImage
>> and the dilate filter work properly.
>>
>> Anyone knows What is exactly the values of intensity that I need to use
>> when in ITK  say binary image ?
>> In the api say that "The structuring element is assumed to be composed of
>> binary values (zero or one)", Why didn't  work the dilate using a binary
>> image ?
>>
>>
>>    Thanks,
>> __________________________________
>> | Ariel Hernán Curiale Ph.D Student
>> | ETSI Telecomunicación
>> | Universidad de Valladolid
>> | Campus Miguel Delibes
>> | 47011 Valladolid, Spain
>> | Phone: 983-423000 ext. 5590
>> | Web: www.curiale.com.ar
>> |_________________________________
>>
>>
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