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J Digit Imaging. 2012 Aug;25(4):454-65. doi: 10.1007/s10278-011-9443-5.

Automatic medical image annotation and keyword-based image retrieval using relevance feedback.

Author information

1
Shindang-Dong Dalseo-Gu, Department Of Computer Engineering, Keimyung University, Daegu, 704-701, South Korea. niceko@kmu.ac.kr

Abstract

This paper presents novel multiple keywords annotation for medical images, keyword-based medical image retrieval, and relevance feedback method for image retrieval for enhancing image retrieval performance. For semantic keyword annotation, this study proposes a novel medical image classification method combining local wavelet-based center symmetric-local binary patterns with random forests. For keyword-based image retrieval, our retrieval system use the confidence score that is assigned to each annotated keyword by combining probabilities of random forests with predefined body relation graph. To overcome the limitation of keyword-based image retrieval, we combine our image retrieval system with relevance feedback mechanism based on visual feature and pattern classifier. Compared with other annotation and relevance feedback algorithms, the proposed method shows both improved annotation performance and accurate retrieval results.

PMID:
22193754
PMCID:
PMC3389081
DOI:
10.1007/s10278-011-9443-5
[Indexed for MEDLINE]
Free PMC Article
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