8Gouveia F,Filipe V,Reis M,et al.Biometry:the characterisa- tion of chestnut-tree leaves using computer vision[C]//Proceed- ings of the IEEE International Symposium on Industrial Elec- tronics, Guimaraes, Portugal, 1997 : 757-760.
9Kern S, Hovenden M, Jordan G, et al.The impacts of leaf shape and arrangement on light interception and potential photosynthesis in southern beech (Nothofagus cunninghamii) [J]. Functional Plant Biology, 2004,31:471-480.
10Wu S,Bao F,Xu E, et al.A leaf recognition algorithm for plant classification using probabilistic neural network[C]// 2007 IEEE International Symposium on Signal Processing and Information Technology, Giza, 2007 : 15-18.
