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A quadrilateral-object composer for binary images with reaction-diffusion cellular automata

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4 Author(s)
Ikebe, M. ; Graduate Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan ; Asai, T. ; Hirose, T. ; Amemiya, Y.

We will describe a cellular-automaton (CA) LSI that extracts quadrilateral objects, such as box areas filled with the same pixel values, from binary images. We propose an efficient CA algorithm, based on the reaction-diffusion chemical systems model. Each cell in the proposed CA is implemented by a digital circuit called an elemental processor. The CA LSI is constructed by a large number of elemental processors operating in parallel. This parallel operation ensures fast and efficient object extraction when the number of cells (processing pixels) increases. When we assumed a 0.25-μm CMOS process with the proposed circuits, the total area of the elemental processor was approximately 5 by 5 μm2.

Published in:

Advanced System Integrated Circuits 2004. Proceedings of 2004 IEEE Asia-Pacific Conference on

Date of Conference:

4-5 Aug. 2004