@misc{151791, author = {Theodore(Ted) Camus}, title = {Calculating Time-to-Contact Using Real-Time Quantized Optical Flow}, year = {1995}, month = {1995-03-01}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=820520}, language = {en}, }