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Automatic detection of GGO candidate regions employing four statistical features on thoracic MDCT image

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3 Author(s)
Katsumata, Y. ; Kyusyu Inst. of Technol., Kitakyusyu ; Itai, Y. ; Maeda, S.

Detection of abnormal areas such as lung nodule, ground glass opacity on multi detector computed tomography images is a difficult task for radiologists. It is because subtle lesions such as small lung nodules tend to be low in contrast, and a large number of computed tomography images require a long visual screening times. In order to detect the abnormalities by use of computer aided diagnosis system, some technical method have been proposed in medical field. Despite of these efforts, their approach did not succeed because of difficulty of image processing in detecting the ground glass opacity areas exactly. Thus they did not reach to the stage of automatic detection employing unknown thoracic MDCT data sets. In this paper, we develop a computer aided diagnosis system for automatic detecting of ground glass opacity areas from thoracic MDCT images by use of four statistical features. The proposed technique applied 32 thoracic MDCT image sets in the performed and 77% of recognition rates were achieved. Obtained some experimental results are shown along with a discussion.

Published in:

Control, Automation and Systems, 2007. ICCAS '07. International Conference on

Date of Conference:

17-20 Oct. 2007