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Text Mining of Web-Based Medical Content by Amy Neustein, Hua Xu, Keith M. Williams, António S. Teixeira, Hanna Suominen, Liana Stanescu, Marina Sokolova, Vicente Salcedo, Mario Rodrigues, Cecile Paris, Oyelami Olufemi Moses, Jose Borras Morell, Armin R. Mikler, Stan Matwin, Randi Karlsen, Tamara Jimenez, S. Sagar Imambi, Leif Hanlen, Kambiz Ghazinour, Liliana Ferreira, Joshua C. Denny, Jedsada Chartree, Dumitru Dan Burdescu, Marius Brezovan, Angel Bravo-Salgado, Johan Bellika

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Dumitru Dan Burdescu, Liana Stanescu and Marius Brezovan

9 Information extraction from medical images: evaluating a novel automatic image annotation system using semantic-based visual information retrieval

Abstract: Today, in the medical field there are huge amounts of non-textual information, such as radiographic images, generated on a daily basis. Given the substantial increase of medical data stored in digital libraries, it is becoming more and more difficult to perform search and information retrieval tasks. Image annotation remains a difficult task for two reasons: (1) the semantic gap problem –it is hard to extract semantically meaningful entities when using low-level image features; and (2) the lack of correspondence between the keywords ...

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