A Low-Cost System to Detect Bunches of Grapes in Natural Environment from Color Images. - Manuel J. C. S. Reis; Raul Morais; Carlos Pereira; Olga Contente; Miguel Bacelar; Salviano F. S. P. Soares; António Valente; José Baptista; Paulo Jorge S. G. Ferreira; José Bulas-Cruz (ACIVS, 2011)