期刊
INTERNATIONAL JOURNAL OF INFORMATION TECHNOLOGY & DECISION MAKING
卷 8, 期 2, 页码 239-248出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219622009003363
关键词
Medical image retrieval; endoscopic images; color correlogram; texture spectrum; color-texture correlogram; GTI model
类别
资金
- National Natural Science Foundation of China [60472099]
This paper presents a method for endoscopic image retrieval based on color-texture correlogram and Generalized Tversky's Index (GTI) model. First we de. ne a new image feature named color-texture correlogram, which is the extension of color correlogram. The texture image extracted by texture spectrum algorithm is combined with color feature vector, and then we calculate the spatial correlation of color-texture feature vector. Similarity metric is also the key technology during domain of image retrieval, GTI model is used in medical image retrieval for similarity metric, and the technique of relevance feedback is used in the algorithm to enhance the efficiency of retrieval. Experimental results show that the method discussed in this paper is much more effective.
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