IMAGE SEGMENTATION

Fuzzy fusion operators to combine results of complementary medical image segmentation techniques

[+] Author Affiliations
Denise Guliato

Federal University of Uberla?ndia, Department of Informatics, Laborato´rio de Bioinforma´tica, Campus Santa Mo?nica, Av. Joa˜o Naves de A´vila, 2160, 38400-902?Uberla?ndia, MG, BrazilE-mail: guliato@ufu.br

Rangaraj M. Rangayyan

University of Calgary, Departments of Electrical and Computer Engineering and Radiology, 2500 University Dr. NW, Calgary, Alberta?T2N?1N4, Canada E-mail: ranga@enel.ucalgary.ca

Walter A. Carnielli

Universidade de Campinas, Centro de Lo´gica e Epistemologia, CP 6133, 13081-970?Campinas, SP, Brazil

Joa˜o A. Zuffo

Escola Polite´cnica da Universidade de Sa˜o Paulo, Laborato´rio de Sistemas Integra´veis, Divisa˜o de Sistemas Digitais-USP, Av. Prof. Luciano Gualberto, tr.3-158, 05508-900?Sa˜o Paulo, SP, Brazil

J. E. Leo Desautels

Screen Test Alberta, 120, 1040, 7th Avenue SW, Calgary, Alberta?T2P?3G9, Canada ?

J. Electron. Imaging. 12(3), 379-389 (Jul 01, 2003). doi:10.1117/1.1578639
History: Received Sep. 6, 2000; Revised Dec. 19, 2001; Revised Sep. 16, 2002; Accepted Dec. 2, 2002; Online July 23, 2003
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The detection of masses and tumors in a mammogram is a difficult problem that could benefit from the use of multiple approaches. We propose an abstract concept of information fusion based on a finite automaton and fuzzy sets to integrate and evaluate results of multiple image segmentation procedures. We give examples on how the method can be applied to the problem of mammographic image segmentation, combining results of region growing and closed-contour detection techniques. We also propose a measure of fuzzyness to assess the agreement between a segmented region and a reference contour. Application of the fusion technique to breast tumor detection in mammograms indicates that the fusion results agree with the reference contours provided by a radiologist to a higher extent than the results of the individual methods. © 2003 SPIE and IS&T.

© 2003 SPIE and IS&T

Citation

Denise Guliato ; Rangaraj M. Rangayyan ; Walter A. Carnielli ; Joa˜o A. Zuffo and J. E. Leo Desautels
"Fuzzy fusion operators to combine results of complementary medical image segmentation techniques", J. Electron. Imaging. 12(3), 379-389 (Jul 01, 2003). ; http://dx.doi.org/10.1117/1.1578639


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