13 March 2009 An automated distinction of DICOM images for lung cancer CAD system
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Abstract
Automated distinction of medical images is an important preprocessing in Computer-Aided Diagnosis (CAD) systems. The CAD systems have been developed using medical image sets with specific scan conditions and body parts. However, varied examinations are performed in medical sites. The specification of the examination is contained into DICOM textual meta information. Most DICOM textual meta information can be considered reliable, however the body part information cannot always be considered reliable. In this paper, we describe an automated distinction of DICOM images as a preprocessing for lung cancer CAD system. Our approach uses DICOM textual meta information and low cost image processing. Firstly, the textual meta information such as scan conditions of DICOM image is distinguished. Secondly, the DICOM image is set to distinguish the body parts which are identified by image processing. The identification of body parts is based on anatomical structure which is represented by features of three regions, body tissue, bone, and air. The method is effective to the practical use of lung cancer CAD system in medical sites.
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H. Suzuki, H. Suzuki, S. Saita, S. Saita, M. Kubo, M. Kubo, Y. Kawata, Y. Kawata, N. Niki, N. Niki, H. Nishitani, H. Nishitani, H. Ohmatsu, H. Ohmatsu, K. Eguchi, K. Eguchi, M. Kaneko, M. Kaneko, N. Moriyama, N. Moriyama, } "An automated distinction of DICOM images for lung cancer CAD system", Proc. SPIE 7264, Medical Imaging 2009: Advanced PACS-based Imaging Informatics and Therapeutic Applications, 72640Z (13 March 2009); doi: 10.1117/12.811396; https://doi.org/10.1117/12.811396
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