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SuperOCR: A Conversion from Optical Character Recognition to Image Captioning

2020-11-21 06:40:04
Baohua Sun, Michael Lin, Hao Sha, Lin Yang
arXiv_CV
               
Abstract

Optical Character Recognition (OCR) has many real world applications. The existing methods normally detect where the characters are, and then recognize the character for each detected location. Thus the accuracy of characters recognition is impacted by the performance of characters detection. In this paper, we propose a method for recognizing characters without detecting the location of each character. This is done by converting the OCR task into an image captioning task. One advantage of the proposed method is that the labeled bounding boxes for the characters are not needed during training. The experimental results show the proposed method outperforms the existing methods on both the license plate recognition and the watermeter character recognition tasks. The proposed method is also deployed into a low-power (300mW) CNN accelerator chip connected to a Raspberry Pi 3 for on-device applications.

Abstract (translated)

URL

https://arxiv.org/abs/2012.02033

PDF

https://arxiv.org/pdf/2012.02033.pdf

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