Cai, Deng Orthogonal laplacianfaces for face recognition. [electronic resource] - IEEE transactions on image processing : a publication of the IEEE Signal Processing Society Nov 2006 - 3608-14 p. digital Publication Type: Evaluation Study; Letter ISSN: 1057-7149 Standard No.: 10.1109/tip.2006.881945 doi Subjects--Topical Terms: AlgorithmsArtificial IntelligenceBiometry--methodsCluster AnalysisFace--anatomy & histologyHumansImage Enhancement--methodsImage Interpretation, Computer-Assisted--methodsInformation Storage and Retrieval--methodsPattern Recognition, Automated--methods