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Contralateral subtraction (C-sub) is a computer-aided diagnosis technique for detecting pulmonary nodules in chest radiographs. This technique enhances nodules in a chest image by subtracting its right / left reversed mirror image from the original image. In this paper we propose a C-sub scheme which uses a local registration method newly proposed in this paper. We evaluated the subtraction images...
Contralateral subtraction (C-sub) is a computer-aided diagnosis technique for detecting pulmonary nodules in chest radiographs. This technique enhances nodules in a chest image by subtracting its right / left reversed mirror image from the original image. In this paper we propose an improved C-sub scheme, which uses a ribcage boundary detection method and a global matching method newly proposed in...
Determination of the lung boundary from lung apex to costophrenic angle is important for image registration in temporal subtraction and contralateral subtraction which are CAD schemes to detect lung nodules in chest radiographs. In this paper we propose a rule-based algorithm for determination of the lung boundary from lung apex to costophrenic angle in chest radiographs. We made experiments using...
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