The Channeler Ant Model (CAM) is an algorithm that makes use of virtual ant colonies and exploits their natural capabilities to modify the environment by pheromone deposition and communicate with each other. The CAM is able to segment 3D structures with different shapes, intensity and background. Its performance has been validated with 3D artificial objects segmentation and its use has already started for the detection of lung nodules in CT scans. The incidence increase of Alzheimers Disease (AD) and other neu- rodegenerative diseases, related to the life expectancy increasing, demands more and more efforts for its early diagnosis. Therefore, it is required to analyze increasing amounts of neuroimages obtained by magnetic reso- nance (MRI) or positron emission tomography (PET). The evaluation of the atrophy degree of some interesting anatomical structures and the study of the connections between different brain regions can provide lots of useful information. The CAM is a good candidate to segment the different tissues present in the brain and could help researchers, for example, to determine the degree of atrophy in the hyppocampal region, an acknowledged index of AD presence and progression.

White matter segmentation in simulated MRI images using the Channeler Ant Model

FIORINA, ELISA
2011

Abstract

The Channeler Ant Model (CAM) is an algorithm that makes use of virtual ant colonies and exploits their natural capabilities to modify the environment by pheromone deposition and communicate with each other. The CAM is able to segment 3D structures with different shapes, intensity and background. Its performance has been validated with 3D artificial objects segmentation and its use has already started for the detection of lung nodules in CT scans. The incidence increase of Alzheimers Disease (AD) and other neu- rodegenerative diseases, related to the life expectancy increasing, demands more and more efforts for its early diagnosis. Therefore, it is required to analyze increasing amounts of neuroimages obtained by magnetic reso- nance (MRI) or positron emission tomography (PET). The evaluation of the atrophy degree of some interesting anatomical structures and the study of the connections between different brain regions can provide lots of useful information. The CAM is a good candidate to segment the different tissues present in the brain and could help researchers, for example, to determine the degree of atrophy in the hyppocampal region, an acknowledged index of AD presence and progression.
6 International Conference on Technology and Medical Sciences (TMSi)
Porto (Portogallo)
21-23/10/2010
Technology and Medical Sciences
CRC Press Taylor & Francis Group
301
304
Channeler Ant Model; MRI; white matter; segmentation; medical imaging
Elisa Fiorina
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2318/88467
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