Recurrent neural network transducer for Japanese and Chinese offline handwritten text recognition

• URL: http://arxiv.org/abs/2106.14459v1
• Date: Mon, 28 Jun 2021 08:16:44 GMT
• Title: Recurrent neural network transducer for Japanese and Chinese offline handwritten text recognition
• Authors: Trung Tan Ngo, Hung Tuan Nguyen, Nam Tuan Ly, Masaki Nakagawa
• Abstract summary: We propose an RNN-Transducer model for recognizing Japanese and Chinese offline handwritten text line images. The proposed model takes advantage of both visual and linguistic information from the input image. Experimental results show that the proposed model achieves state-of-the-art performance on all datasets.
• Score: 5.704448607986111
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this paper, we propose an RNN-Transducer model for recognizing Japanese and Chinese offline handwritten text line images. As far as we know, it is the first approach that adopts the RNN-Transducer model for offline handwritten text recognition. The proposed model consists of three main components: a visual feature encoder that extracts visual features from an input image by CNN and then encodes the visual features by BLSTM; a linguistic context encoder that extracts and encodes linguistic features from the input image by embedded layers and LSTM; and a joint decoder that combines and then decodes the visual features and the linguistic features into the final label sequence by fully connected and softmax layers. The proposed model takes advantage of both visual and linguistic information from the input image. In the experiments, we evaluated the performance of the proposed model on the two datasets: Kuzushiji and SCUT-EPT. Experimental results show that the proposed model achieves state-of-the-art performance on all datasets.

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