Using Lateral Coupled Snakes for Modeling the Contours of Worms

Authors:
Qing Wang;Olaf Ronneberger;Ekkehard Schulze;Ralf Baumeister;Hans Burkhardt
Affiliations:
Chair of Pattern Recognition and Image Processing, Department of Computer Science, University of Freiburg, and Centre for Biological Signalling Studies (bioss), University of Freiburg,;Chair of Pattern Recognition and Image Processing, Department of Computer Science, University of Freiburg, and Centre for Biological Signalling Studies (bioss), University of Freiburg,;Faculties of Biology and Medicine, FRIAS LIFENET, ZBSA, University of Freiburg,;Centre for Biological Signalling Studies (bioss), University of Freiburg, and Faculties of Biology and Medicine, FRIAS LIFENET, ZBSA, University of Freiburg,;Chair of Pattern Recognition and Image Processing, Department of Computer Science, University of Freiburg, and Centre for Biological Signalling Studies (bioss), University of Freiburg,
Venue:
Proceedings of the 31st DAGM Symposium on Pattern Recognition
Year:
2009

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Abstract

A model called lateral coupled snakes is proposed to describe the contours of moving C. elegans worms on 2D images with high accuracy. The model comprises two curves with point correspondence between them. The line linking a corresponding pair is approximately perpendicular to the curves at the two points, which is ensured by shear restoring forces. Experimental proofs reveal that the model is a promising tool for locating and segmenting worms or objects with similar shapes.