ROI-based medical image retrieval using human-perception and MPEG-7 visual descriptors

Authors:
MiSuk Seo;ByoungChul Ko;Hong Chung;JaeYeal Nam
Affiliations:
Dept. of Computer Engineering, Keimyung University, Daegu, Korea;Dept. of Computer Engineering, Keimyung University, Daegu, Korea;Dept. of Computer Engineering, Keimyung University, Daegu, Korea;Dept. of Computer Engineering, Keimyung University, Daegu, Korea
Venue:
CIVR'06 Proceedings of the 5th international conference on Image and Video Retrieval
Year:
2006

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Abstract

In this paper, we present a ROI (Region-Of-Interest)-based medical image retrieval system that is considering combination of feature descriptors and initial weights for similarity matching. For semantic ROI segmentation, we create attention window (AW) to remove the meaningless regions included in the image such as background and propose a quad-tree based ROI segmentation method. In addition, in order to improve the retrieval performance and consider human perception, initial weights for feature distances are also proposed. From, several experiments, we demonstrate that the ROI-based method having different initial weights shows the better performance than previous related methods.