HUANG Tao, LI Xiao-yu, JIN Rui, KU Jing, XU Sen-miao, XU Meng-ling, WU Zhen-zhong, KONG De-guo. Multi-Target Recognition of Internal and External Defects of Potato by Semi-Transmission Hyperspectral Imaging and Manifold Learning Algorithm[J]. Spectroscopy and Spectral Analysis, 2015, 35(4): 992