Research Article

A Novel Graph Constructor for Semisupervised Discriminant Analysis: Combined Low-Rank and -Nearest Neighbor Graph

Table 1

Classification accuracy of different methods on real-world databases.

GraphsLRKNNLRSR-SRLLE-LLEKNNKKNNB

ORL0.8650.7532140.8246430.81750.8303570.840.7124440.696483
YaleB0.9017860.6203570.8117860.7507140.7514290.7782140.6458280.612487
PIE0.7526920.6673080.7369230.7334620.7492310.6988460.6742690.559724
USPS0.7228570.693810.7114290.673810.720.7028570.5803130.510963