TY - GEN AU - Tsung-Ming Tsai C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1994-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.5447 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1994 TI - A certainty grid to object boundary algorithm: ER -