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›› 2008, Vol. 25 ›› Issue (2): 216-223.DOI: 10.7523/j.issn.2095-6134.2008.2.012

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FacedetectionbasedonEMPCAandhierarchicalclassification

SUNJianQingWANGRongGuiHUWeiWei   

  1. ComputerandInformationFaculty,HefeiUniversityofTechnology,Hefei230009,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-03-15

Abstract: Inordertoimprovethespeedandrobustofdetectinghumanface,analgorithmoffacedetectionbased onEMPCAandhierarchicalclassificationispresented.Inthetrainingstep,differentresolutionsoftrainsamplesareusedfortrainingtwokindsoffisherlineardiscrimination,andtrainthenonlinearSVMbyusingthefeature extractedbymeansofEMPCA.Inthedetectionstep,thefisherlineardiscriminationisusedforexcludinglarge partsofbackgrounds,andusetheSVMtoperformthefinaldetection.Experimentalresultsshowthatthenew algorithmisfeasibleandefficient.

Key words: facedetection, hierarchicalclassification, EMPCA, fisher, SVM

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