A Double Image Acquisition System with Visible and UV LEDs for Citrus Fruit. - Mitsutaka Kurita; Naoshi Kondo; Hiroshi Shimizu; Peter Ling; Paolo D. Falzea; Tomoo Shiigi; Kazunori Ninomiya; Takahisa Nishizu; Kazuya Yamamoto (J. Robotics Mechatronics, 2009)