Papers › AttentionHTR: Handwritten Text Recognition Based on Attention Encoder-Decoder Networks

AttentionHTR: Handwritten Text Recognition Based on Attention Encoder-Decoder Networks

23 Jan 2022arXiv:2201.09390archive 2025-07-28

Dmitrijs Kass, Ekta Vats

This work proposes an attention-based sequence-to-sequence model for handwritten word recognition and explores transfer learning for data-efficient training of HTR systems. To overcome training data scarcity, this work leverages models pre-trained on scene text images as a starting point towards tailoring the handwriting recognition models. ResNet feature extraction and bidirectional LSTM-based sequence modeling stages together form an encoder. The prediction stage consists of a decoder and a content-based attention mechanism. The effectiveness of the proposed end-to-end HTR system has been empirically evaluated on a novel multi-writer dataset Imgur5K and the IAM dataset. The experimental results evaluate the performance of the HTR framework, further supported by an in-depth analysis of the error cases. Source code and pre-trained models are available at https://github.com/dmitrijsk/AttentionHTR.

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Tasks

DecoderHTRHandwriting RecognitionHandwritten Text RecognitionTransfer Learning

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Methods

1x1 ConvolutionAverage PoolingBatch NormalizationBottleneck Residual BlockContent-based AttentionConvolutionGlobal Average PoolingKaiming InitializationMax PoolingReLUResidual BlockResidual Connection

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