Hongda Pan

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The recognition of the wheel rim is a crucial area for vehicle safety. We present a novel recognition method for the detection of wheel rim whose projective curve is an ellipse. An image preprocessing method including the Otsu algorithm to binary the gray image, removing spurious areas and region filling algorithm is introduced to segment the rim area(More)
Because of the improvement of surgical technique and the widely use of multimodality therapy, more patients with rectal cancer undergo sphincter-preserving surgery. However, it has been reported that up to 90% of such patients will suffer from bowel dysfunction, ranging from increased bowel frequency to faecal incontinence or evacuatory dysfunction. This(More)
OBJECTIVE To analyze the complications of ileostomy closure and related risk factors. METHODS Patients undergoing ileostomy closure in the Department of Colorectal Surgery, Peking University Cancer Hospital from September 2006 to March 2013 were included in this study. Clinical features of these patients were reviewed, the complications rate was(More)
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