Diffusion driven reconstruction for positron emission tomography

Mondal, Partha P and Rajan, K (2006) Diffusion driven reconstruction for positron emission tomography. In: Applied Physics Letters, 89 (19). pp. 193901-1.

PDF Diffusion_driven_reconstruction_for_positron_emission_tomography.pdf Restricted to Registered users only Download (350kB) | Request a copy

Abstract

Reconstruction map of the radionucleus distribution in positron emission tomography imaging is an ill-posed inverse problem. Existing reconstruction methodologies based on maximum a posteriori principle reconstruct images that suffer from artifacts. A method is proposed for generating better map of radionucleus distribution primarily based on surface diffusion model. The mean curvature diffusion has resulted in efficient noise suppression when applied to an isolated edge embedded in noise. Experimental results show that the proposed approach has better image resolution and edge-preservation capability. The reconstruction methodology will therefore find applications in biomedical imaging and bioengineering.

Item Type:	Journal Article
Publication:	Applied Physics Letters
Publisher:	American Institute of Physics
Additional Information:	Copyright of this article belongs to American Institute of Physics.
Department/Centre:	Division of Physical & Mathematical Sciences > Physics
Date Deposited:	09 Feb 2007
Last Modified:	19 Sep 2010 04:33
URI:	http://eprints.iisc.ac.in/id/eprint/9090

Actions (login required)

View Item