基于深度神经网络的实时印度车牌检测和基于LSTM Tesseract的光学字符识别

J. Singh, B. Bhushan
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引用次数: 25

摘要

在世界上最大的公路网排名中,印度排名第三。根据2016年的一项调查,印度的汽车总数为2.6亿辆。因此,有必要开发专家自动车牌识别(ANPR)系统在印度,因为在道路上飞行的汽车数量急剧增加。这将有助于正确跟踪车辆,专家交通检查,追踪被盗车辆,监督停车收费,并对违反红灯采取严厉行动。在现实生活中实现ANPR专家系统似乎是一项具有挑战性的任务,因为在图像加入过程中,车牌(NP)格式、设计、形状、颜色、比例、角度和非均匀闪电情况的多样性。因此,我们实现了一个在不同具有挑战性的场景下比之前提出的ANPR系统更健壮的ANPR系统。本文的目标是利用深度神经网络设计一种鲁棒的车牌检测(LPD)技术,对检测到的车牌进行预处理,并使用lstmtesseract OCR引擎进行车牌识别(LPR)。实验结果表明,我们成功地获得了与商用ANPR系统相同的鲁棒性结果,lpd精度为99%,LPR精度为95%。,开放式alpr和车牌识别器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Real Time Indian License Plate Detection using Deep Neural Networks and Optical Character Recognition using LSTM Tesseract
Among the ranking of the largest road network in the world, India stood at third position. According to a survey held in 2016 the total number of vehicles in India were 260 million. Therefore, there is a necessity to develop Expert Automatic Number Plate Recognition (ANPR) systems in India because of the tremendous rise in the number of automobiles flying on the roads. It would help in proper tracking of the vehicles,expert traffic examining, tracing stolen vehicles, supervising parking toll and imposing strict actions against red light breaching. Implementing an ANPR expert system in real life seems to be a challenging task because of the variety of number plate (NP) formats,designs, shapes, color, scales, angles and non-uniform lightning situations during image accession. So, we implemented an ANPR system which acts more robustly in different challenging scenarios then the previous proposed ANPR systems.The goal of this paper,is to design a robust technique forLicense Plate Detection(LPD) in the images using deep neural networks, Pre-process the detected license platesand performLicense Plate Recognition (LPR) usingLSTMTesseract OCR Engine. According to our experimentalresults, we have successfully achieved robust results withLPD accuracy of 99% and LPR accuracy of 95%just like commercial ANPR systemsi.e., Open-ALPRand Plate Recognizer.
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