TY - RPRT TI - Gradient vector flow fast geometric active contours. AU - Nikos Paragios AU - Olivier Mellina-Gottardo AU - Visvanathan Ramesh PY - 2004 DO - 10.1109/tpami.2004.1262337 UR - https://pubmed.ncbi.nlm.nih.gov/15376886/ ID - 15376886 ER -