Looking behind occlusions: A study on amodal segmentation for robust on-tree apple fruit size estimation. - Jordi Gené-Mola; Mar Ferrer-Ferrer; Eduard Gregorio-Lopez; Pieter M. Blok; Jochen Hemming; Josep Ramon Morros; Joan Ramón Rosell-Polo; Verónica Vilaplana; Javier Ruiz Hidalgo (Comput. Electron. Agric., 2023)