期刊
JOURNAL OF DIGITAL IMAGING
卷 22, 期 2, 页码 202-215出版社
SPRINGER
DOI: 10.1007/s10278-007-9092-x
关键词
Content-based image retrieval (CBIR); pattern recognition; picture archiving and communication systems (PACS); information system integration; data mining; information retrieval; semantic gap
资金
- U.S. National Institutes of Health (NIH)
- U.S. National Library of Medicine (NLM)
- U.S. Lister Hill National Center for Biomedical Communications (LHNCBC)
Content-based image retrieval (CBIR) is a promising technology to enrich the core functionality of picture archiving and communication systems (PACS). CBIR has a potential for making a strong impact in diagnostics, research, and education. Research as reported in the scientific literature, however, has not made significant inroads as medical CBIR applications incorporated into routine clinical medicine or medical research. The cause is often attributed (without supporting analysis) to the inability of these applications in overcoming the semantic gap. The semantic gap divides the high-level scene understanding and interpretation available with human cognitive capabilities from the low-level pixel analysis of computers, based on mathematical processing and artificial intelligence methods. In this paper, we suggest a more systematic and comprehensive view of the concept of gaps in medical CBIR research. In particular, we define an ontology of 14 gaps that addresses the image content and features, as well as system performance and usability. In addition to these gaps, we identify seven system characteristics that impact CBIR applicability and performance. The framework we have created can be used a posteriori to compare medical CBIR systems and approaches for specific biomedical image domains and goals and a priori during the design phase of a medical CBIR application, as the systematic analysis of gaps provides detailed insight in system comparison and helps to direct future research.
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