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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