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This paper is focused on the process of feature extraction from medical images and fuses the different extracted visual features and textual feature for modality classification. To extract visual features from the images, we used histogram descriptor of edge, gray, or color intensity and block-based variation as global features and SIFT histogram as local feature. For textual feature of image representation, the binary histogram of some predefined vocabulary words from image captions is used. Then, we combine the different features using normalized kernel functions for SVM classification. Furthermore, for some easy misclassified modality pairs such as CT and MR or PET and NM modalities, a local classifier is used for distinguishing samples in the pair modality to improve performance. The proposed strategy is evaluated with the provided modality dataset by ImageCLEF 2010.<\/jats:p>","DOI":"10.1155\/2011\/241396","type":"journal-article","created":{"date-parts":[[2011,9,21]],"date-time":"2011-09-21T03:50:51Z","timestamp":1316577051000},"page":"1-7","source":"Crossref","is-referenced-by-count":12,"title":["Biomedical Imaging Modality Classification Using Combined Visual Features and Textual Terms"],"prefix":"10.1155","volume":"2011","author":[{"given":"Xian-Hua","family":"Han","sequence":"first","affiliation":[{"name":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu-Shi, 525-8577, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yen-Wei","family":"Chen","sequence":"additional","affiliation":[{"name":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu-Shi, 525-8577, Japan"},{"name":"College of Information Sciences and Technology, The Pennsylvania State University, University Park, PA 16802, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijmedinf.2003.11.024"},{"issue":"5","key":"5","doi-asserted-by":"crossref","first-page":"488","DOI":"10.1197\/jamia.M2082","volume":"13","year":"2006","journal-title":"Journal of the American Medical Informatics Association"},{"key":"6","first-page":"1334","volume":"129, part 2","year":"2007","journal-title":"Student Health Technology Informformation"},{"issue":"3","key":"8","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1007\/BF00123143","volume":"18","year":"1996","journal-title":"International Journal of Computer Vision"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-71457-6_54"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1016\/0031-3203(95)00160-3"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1023\/B:VISI.0000029664.99615.94"},{"issue":"1","key":"16","first-page":"23","volume":"24","year":"2002","journal-title":"Electronics and Telecommunications Research Institute Journal"}],"container-title":["International Journal of Biomedical Imaging"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/ijbi\/2011\/241396.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/ijbi\/2011\/241396.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/ijbi\/2011\/241396.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,20]],"date-time":"2017-06-20T02:42:04Z","timestamp":1497926524000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.hindawi.com\/journals\/ijbi\/2011\/241396\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011]]},"references-count":8,"alternative-id":["241396","241396"],"URL":"https:\/\/doi.org\/10.1155\/2011\/241396","relation":{},"ISSN":["1687-4188","1687-4196"],"issn-type":[{"value":"1687-4188","type":"print"},{"value":"1687-4196","type":"electronic"}],"subject":[],"published":{"date-parts":[[2011]]}}}