Article

Image processing by two‐dimensional recursive filters using the fornasini‐marchesini model

Faculty of Engineering, Tottori University, Tottori, Japan 680
Electronics and Communications in Japan (Part III Fundamental Electronic Science) (Impact Factor: 0.14). 02/2007; 75(5):60 - 68. DOI: 10.1002/ecjc.4430750506

ABSTRACT This paper considers a simple two-dimensional (2-D) IIR filter based on the Fornasini-Marchesini local state-space (LSS) model. It is shown that if image processing is carried out using such filters from four directions, smoothing, edge detection or edge enhancement can be achieved without any distortion. The proposed technique allows one to flexibly perform the forementioned filtering by choosing three parameters. Moreover, filter analysis including stability is easy due to using a well-known 2-D LSS model. Finally, some examples are given to illustrate the utility of the proposed technique.

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