Abstract：In the existing sketch recognition based on deep learning, a whole sketch is employed as an input of network, and therefore the recognition process is uninterpretable. The semantic tree is introduced into sketch recognition based on deep learning, and a sketch recognition method, sketch-semantic net, is proposed in this paper. Firstly, data-driven segmentation method is utilized to divide a whole sketch into component sketches with the semantic information. Secondly, the component sketches are recognized by transfer deep learning. Finally, the component sketches are associated with the sketch categories according to the semantic concepts of the semantic tree, and thus the gap between low level semantics and high level semantics is reduced. The experimental results on the popular Sketch_ dataset demonstrate the effectiveness of the proposed method.
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2019, Vol. 32 
