[7] Hartwig H Geiger, Andrés Gordillo G, Silvia Koch. Crop Science, 2013, 53: 2313.
[9] Chapron M. Pattern Recognition and Image Analysis, 2013, 23(1): 51.
[10] Kwak Nojun. IEEE Transactions on Neural Networks and Learning Systems, 2013, 24(12): 2113.
[11] Snape Patrick, Zafeiriou Stefanos. Computer Vision and Pattern Recognition (CVPR), 2014.
[12] Chang Pei-Chann, Wu Jheng-Long. Soft Computing, 2015, 19(5): 1393.
[13] Motai Yuichi. IEEE Transactions on Neural Networks and Learning Systems, 2015, 26(2): 208.
[14] Cortes C, Vapnik V. Machine Learning, 1995, 20: 273.