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Re: Radon forward projection problem [message #60004 is a reply to message #59931]

Wed, 23 April 2008 09:53

mmiller3
Messages: 81
Registered: January 2002

Member

>>>> > "Wox" == Wox <nomail@hotmail.com> writes:

> The algorithm I was talking about (OSEM, although I think
> it's really called MLEM, I'm not sure) goes like this
> (BP=backprojection, FP=forward projection):

Be careful that you are sure of what you are implementing. OSEM
and MLEM differ - especially in computational speed. The
citations that I've got for the algorithms are:

"Accelerated Image Reconstruction Using Ordered Subsets of
Projection Data," IEEE Trans Med Img, 13, 601-609, 1994.

"Maximum likelihood reconstruction for emission tomography,"
IEEE Trans Med Img, MI-2, 113-122, 1982

Mike

--
Michael A. Miller mmiller3@iupui.edu
Imaging Sciences, Department of Radiology, IU School of Medicine

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[Message index]

		Radon forward projection problem By: Wox on Tue, 22 April 2008 08:07
		Re: Radon forward projection problem By: Wox on Thu, 24 April 2008 04:14
		Re: Radon forward projection problem By: mmiller3 on Thu, 24 April 2008 09:22
		Re: Radon forward projection problem By: mmiller3 on Wed, 23 April 2008 09:53
		Re: Radon forward projection problem By: Vontobel Peter on Wed, 23 April 2008 03:42
		Re: Radon forward projection problem By: Wox on Wed, 23 April 2008 03:02
		Re: Radon forward projection problem By: Vontobel Peter on Wed, 23 April 2008 00:42
		Re: Radon forward projection problem By: Wox on Sun, 27 April 2008 04:16
		Re: Radon forward projection problem By: mmiller3 on Mon, 28 April 2008 06:33

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