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Scientific article
English

Case-based lung image categorization and retrieval for interstitial lung diseases: clinical workflows

Publication date2012
Abstract

Purpose Clinical workflows and user interfaces of image- based computer-aided diagnosis (CAD) for interstitial lung diseases in high-resolution computed tomography are intro- duced and discussed. Methods Three use cases are implemented to assist students, radiologists, and physicians in the diagnosis workup of inter- stitial lung diseases. Results In a first step, the proposed system shows a three- dimensional map of categorized lung tissue patterns with quantification of the diseases based on texture analysis of the lung parenchyma. Then, based on the proportions of abnor- mal and normal lung tissue as well as clinical data of the patients, retrieval of similar cases is enabled using a mul- timodal distance aggregating content-based image retrieval (CBIR) and text-based information search. The global sys- tem leads to a hybrid detection-CBIR-based CAD, where detection-based and CBIR-based CAD show to be comple- mentary both on the user's side and on the algorithmic side. Conclusions The proposed approach is in accordance with the classical workflow of clinicians searching for similar cases in textbooks and personal collections. The developed system enables objective and customizable inter-case sim- ilarity assessment, and the performance measures obtained with a leave-one-patient-out cross-validation (LOPO CV) are representative of a clinical usage of the system.

Citation (ISO format)
DEPEURSINGE, Adrien et al. Case-based lung image categorization and retrieval for interstitial lung diseases: clinical workflows. In: International journal of computer assisted radiology and surgery, 2012, vol. 7, n° 1, p. 97–110. doi: 10.1007/s11548-011-0618-9
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ISSN of the journal1861-6410
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Creation12/14/2013 12:24:00 AM
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