Pill Box Text Identification Using DBNet-CRNN

Liuqing Xiang, Hanyun Wen and Ming Zhao ()
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Liuqing Xiang: School of Computer Science, Yangtze University, Jingzhou 434025, China
Hanyun Wen: School of Computer Science, Yangtze University, Jingzhou 434025, China
Ming Zhao: School of Computer Science, Yangtze University, Jingzhou 434025, China

IJERPH, 2023, vol. 20, issue 5, 1-15

Abstract: The recognition process of natural scenes is complicated at present, and images themselves may be complex owing to the special features of natural scenes. In this study, we use the detection and recognition of pill box text as an application scenario and design a deep-learning-based text detection algorithm for such natural scenes. We propose an end-to-end graphical text detection and recognition model and implement a detection system based on the B/S research application for pill box recognition, which uses DBNet as the text detection framework and a convolutional recurrent neural network (CRNN) as the text recognition framework. No prior image preprocessing is required in the detection and recognition processes. The recognition result from the back-end is returned to the front-end display. Compared with traditional methods, this recognition process reduces the complexity of preprocessing prior to image detection and improves the simplicity of the model application. Experiments on the detection and recognition of 100 pill boxes demonstrate that the proposed method achieves better accuracy in text localization and recognition results than the previous CTPN + CRNN method. The proposed method is significantly more accurate and easier to use than the traditional approach in terms of both training and recognition processes.

Keywords: deep learning; text recognition; natural scenes; convolutional recurrent neural network; image processing (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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