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Open Access

Embedded Real-Time Architecture for Level-Set-Based Active Contours

EURASIP Journal on Advances in Signal Processing20052005:245879

https://doi.org/10.1155/ASP.2005.2788

Received: 14 June 2004

Published: 23 October 2005

Abstract

Methods described by partial differential equations have gained a considerable interest because of undoubtful advantages such as an easy mathematical description of the underlying physics phenomena, subpixel precision, isotropy, or direct extension to higher dimensions. Though their implementation within the level set framework offers other interesting advantages, their vast industrial deployment on embedded systems is slowed down by their considerable computational effort. This paper exploits the high parallelization potential of the operators from the level set framework and proposes a scalable, asynchronous, multiprocessor platform suitable for system-on-chip solutions. We concentrate on obtaining real-time execution capabilities. The performance is evaluated on a continuous watershed and an object-tracking application based on a simple gradient-based attraction force driving the active countour. The proposed architecture can be realized on commercially available FPGAs. It is built around general-purpose processor cores, and can run code developed with usual tools.

Keywords and phrases

level setpartial differential equationsobject trackingreal-time executionembedded platforms

Authors’ Affiliations

(1)
Centre of Mathematical Morphology, School of Mines of Paris, Fontainebleau Cedex, France

Copyright

© Dejnožková and Dokládal 2005

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