Linear Laplacian Discrimination for Feature Extraction - PKU.pdfVIP

Linear Laplacian Discrimination for Feature Extraction Deli Zhao Zhouchen Lin Rong Xiao Xiaoou Tang Microsoft Research Asia, Beijing, China delizhao@, {zhoulin,rxiao,xitang}@ Abstract underlying structures and characteristics of different classes. Discriminant features are often obtained by class- Discriminant feature extra