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- W1997709301 abstract "Computer-aided detection and diagnosis (CAD) has been widely investigated to improve radiologists׳ diagnostic accuracy in detecting and characterizing lung disease, as well as to assist with the processing of increasingly sizable volumes of imaging. Lung segmentation is a requisite preprocessing step for most CAD schemes. This paper proposes a parameter-free lung segmentation algorithm with the aim of improving lung nodule detection accuracy, focusing on juxtapleural nodules. A bidirectional chain coding method combined with a support vector machine (SVM) classifier is used to selectively smooth the lung border while minimizing the over-segmentation of adjacent regions. This automated method was tested on 233 computed tomography (CT) studies from the lung imaging database consortium (LIDC), representing 403 juxtapleural nodules. The approach obtained a 92.6% re-inclusion rate. Segmentation accuracy was further validated on 10 randomly selected CT series, finding a 0.3% average over-segmentation ratio and 2.4% under-segmentation rate when compared to manually segmented reference standards done by an expert." @default.
- W1997709301 created "2016-06-24" @default.
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- W1997709301 date "2015-02-01" @default.
- W1997709301 modified "2023-10-11" @default.
- W1997709301 title "An automated lung segmentation approach using bidirectional chain codes to improve nodule detection accuracy" @default.
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- W1997709301 doi "https://doi.org/10.1016/j.compbiomed.2014.12.008" @default.
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