An on-off temporal filter circuit for visual motion analysis. - Bertram Emil Shi; Eric K. C. Tsang; Philip S. P. Au (ISCAS (3), 2004)

An on-off Temporal Filter Circuit for Computing Motion Energy. - Bertram E. Shi; Eric K. C. Tsang; Philip S. P. Au (IEEE Trans. Circuits Syst. II Express Briefs, 2006)