[ITK-users] radial decomposition of discs and sphere in itk

[Baoyun Li]

Hi, Bradley:

I had download the insight journal--http://hdl.handle.net/1926/308.
But still need help. If I look the GrayscaleDilateImageFilter< TInputImage, TOutputImage, TKernel>::SetKernel( const KernelType& kernel ), it had several branches
1, ANCHOR,
2, histogram
3, basic.

For radius decomposition, I think I need to define the list of lines by myself. Then I used either of above algorithm for line strucutre morphology. 
Can you confirm whether my thinking is correct? Also for given radius, how to define the list of lines? (Is there any sample code  in itk for how to give the list of line element given the radius, or  need to go through the either of the two papers,).

Thanks

Baoyun
On Wednesday, April 16, 2014 9:29 AM, Bradley Lowekamp <blowekamp at mail.nih.gov> wrote:
 
Yes!

This is available in for the Grayscale morphology filters in ITK with the FlatStructucturingElement. If you have a Binary image, with just two labels the Grayscale morphology can be used as binary morphology.

These algorithm were contributed by the Insight Journal in "Consolidated Morphology", by Lehmann G., and Beare R: http://hdl.handle.net/1926/308

Hope that gives you enough to get started.
Brad


On Apr 16, 2014, at 9:57 AM, Baoyun Li <baoyun_li123 at yahoo.com> wrote:

Dear All:
Can somebody tell me whether Itk morophology had implemented either of below two papers? If so, can you please tell me at which class and which file?

thanks

Baoyun
	*  Rolf Adams, "Radial Decomposition of Discs and Spheres," Computer Vision, Graphics, and Image Processing: Graphical Models and Image Processing, vol. 55, no. 5, September 1993, pp. 325-332.
	* Ronald Jones and Pierre Soille, "Periodic lines: Definition, cascades, and application to granulometries," Pattern Recognition Letters, vol. 17, 1996, 1057-1063.
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