TY - JOUR AU - Agahi, Hamed AU - Rezaei, Kimia TI - An Automatic Thresholding Approach to Gravitation-Based Edge Detection in Grey-Scale Images JO - Journal of Information Systems and Telecommunication (JIST) VL - 9 IS - 36 SP - 285 EP - 296 PY - 2021 DO - 10.52547/jist.9.36.285 ER -