@misc{1146711, author = {Ted Camus}, title = {Calculating time-to-contact using real-time quantized optical flow:}, year = {1995}, month = {1995-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.5609}, language = {en}, }