Interest Point Based Medical Image Retrieval

Authors:
Xia Zheng;Mingquan Zhou;Xingce Wang
Affiliations:
State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijng, P.R. China;State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijng, P.R. China and College of Information Science and Technology, Beijing Normal University, Beijng, P.R ...;College of Information Science and Technology, Beijing Normal University, Beijng, P.R. China
Venue:
Medical Imaging and Informatics
Year:
2008

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Abstract

The technology of medical image retrieval in picture archiving and communication systems (PACS) is of great importance. A shape prior algorithm retrieval based on interest point is presented in this paper. Firstly, according to the formulaic composition of a medical image, a Harris point detector is improved to extract some interest points in images. Secondly, by combining invariants for each point and an edge type histogram, the feature vector for matching is constructed. Finally, a strategy for matching vectors is implemented to retrieve medical images. The test results prove the efficiency of this approach.