Plant plays an important role in human life, so it is necessary to build an automatic system for recognizing plant. Plant leaf classification has become a research focus for twenty years. However, conventional methods for recognizing plant leaf have various drawbacks. CNN gained great success in image recognition, in order to utilize CNN to recognize plant leaf, a hierarchical model based on convolutional neural network is proposed. We applied our method to Swedish leaf dataset classification, the experimental results showed that the proposed method is quite effective and feasible.

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 Key words:  plant leaf classification； convolutional neural network； deep learning, neural network； feature map