TY - GEN AU - Herbert Lau AU - Tsai AU - Martin Herman C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 1992-09-01 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 1992 TI - Optimal Estimation of Optical Flow, Time-to-contact and Depth UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=820427 ER -