Automated snake initialization for the segmentation of the prostate in ultrasound images

Authors:
S. Rahnamayan;H. R. Tizhoosh;M. M. A. Salama
Affiliations:
Department of Systems Design Engineering, Medical Instrument Analysis and Machine Intelligence Research Group, University of Waterloo, Waterloo, Ontario, Canada;Department of Systems Design Engineering, Medical Instrument Analysis and Machine Intelligence Research Group, University of Waterloo, Waterloo, Ontario, Canada;Department of Electrical and Computer Engineering, Medical Instrument Analysis and Machine Intelligence Research Group, University of Waterloo, Waterloo, Ontario, Canada
Venue:
ICIAR'05 Proceedings of the Second international conference on Image Analysis and Recognition
Year:
2005

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Abstract

Segmentation is a crucial task in medical image processing. Snakes or Active Contour Models (ACM) are valuable tools to segment images. However, they need a good initialization, which is usually provided manually by an expert. In order to achieve a reliable automation of prostate segmentation in ultrasound images, morphological techniques have been used in this work to automatically generate the initial snake. The accuracy of the proposed approach is verified by testing several images. The automated segmentation of the prostate can be done in the majority of the cases without user interaction.