Modified jakubowski shape transducer for detecting osteophytes and erosions in finger joints

Authors:
Marzena Bielecka;Andrzej Bielecki;Mariusz Korkosz;Marek Skomorowski;Wadim Wojciechowski;Bartosz Zieliński
Affiliations:
Department of Geoinformatics and Applied Computer Science, Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Cracow, Poland;Institute of Computer Science, Jagiellonian University, Cracow, Poland;Division of Rheumatology, Departement of Internal Medicine and Gerontology, Jagiellonian University Hospital, Cracow, Poland;Institute of Computer Science, Jagiellonian University, Cracow, Poland;Department of Radiology, Jagiellonian University Hospital, Cracow, Poland;Institute of Computer Science, Jagiellonian University, Cracow, Poland
Venue:
ICANNGA'11 Proceedings of the 10th international conference on Adaptive and natural computing algorithms - Volume Part II
Year:
2011

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Abstract

In this paper, a syntactic method of pattern recognition is applied to hand radiographs interpretation, in order to recognize erosions and osteophytes in the finger joints. It is shown that, the classical Jakubowski transducer does not distinguish contours of healthy bones from contours of affected bones. Therefore, the modifications of the transducer are introduced. It is demonstrated, that the modified transducer correctly recognizes the classes of bone shapes obtained based on the medical classification: healthy bone class, erosion bone class and osteophyte bone class.