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《Journal of Huazhong University of Science and Technology(Nature Science Edition)》 2007-05
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Algorithm for fast extracting human limb contours using searching NCM points

Cao Danhua Tang Jinkuan Wu Yubin(School of Optoeletronics Science and Engineering,Huazhong Universityof Science and Technology,Wuhan 430074,China)  
Human limb contour Extracting is related with two kinds of negative curvature minima(NCM).By introducing subjective judgment of the limb extracting, an algorithm of NCM is proposed to search the negative curvature minima on the limb contour. The profile of targets could be extracted by tracing their foreground.Fourier filter is implemented to smooth the profile and reduce the local noise effects on NCM.Besides,Moving vector analysis is introduced to compute the digital curvature of the profile.Also,further search of axis in local body profile is implemented to locate the joints and complete body extracting.The result of experiments showed that our algorithm provided distinct improvement in effective NCM search and human body extracting.
【CateGory Index】: TP391.41
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