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4. Campins, J., Throop, J.A., Aneshansley, D.J., 1997. Apple stem and calyx identification for automatic sorting. Proceedings of the 1997 ASAE Annual International Meeting, Minneapolis, MN. ASAE paper 973079.
5. Real-time defect detection in fruit—Part II: an algorithm and performance of a prototype system;Crowe;Trans. ASAE,1996