Efficient Human Action and Gait Analysis Using Multiresolution Motion Energy Histogram. - Chih-Chang Yu; Hsu-Yung Cheng; Chien-Hung Cheng; Kuo-Chin Fan (EURASIP J. Adv. Signal Process., 2010)

A Gait Classification System using Optical Flow Features. - Chih-Chang Yu; Chien-Hung Cheng; Kuo-Chin Fan (J. Inf. Sci. Eng., 2014)