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《Pattern Recognition and Artificial Intelligence》 2011-03
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Nonlinear Radon Transform and Its Application to Face Recognition

GAN Jun-Ying,HE Si-Bin (School of Information Engineering,Wuyi University,Jiangmen 529020)  
Three nonlinear Radon transforms,including parabola,hyperbola,and ellipse Radon transform,are studied respectively,and the relationships among them are analyzed.Then,the three nonlinear Radon transforms are applied to face recognition.When shape parameters of parabola,hyperbola,and ellipse are approximately infinite,linear Radon transform of image is equal to parabola Radon transform and hyperbola Radon transform is equal to ellipse Radon transform.Nonlinear Radon transform possesses the characters of reducing noise and can be used to represent texture features of image.Moreover,polluted face images are represented by feature matrix via three nonlinear Radon transforms,and then combined with principal component analysis in face recognition.Experimental results demonstrate the validity of nonlinear Radon transform in face recognition.
【Fund】: 国家自然科学基金项目(No.61072127 No.61070167);; 广东省自然科学基金项目(No.10152902001000002 No.07010869);; 广东省高等学校高层次人才项目(粤教师函[2010]79号)资助
【CateGory Index】: TP391.41
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