The embodiment of the invention relates to the technical field of image processing, in particular to a license plate information correction method, equipment and device, which are used for correcting an abnormal license plate after the abnormal license plate is recognized to obtain a correct license plate and improving the reliability of traffic data analysis. Acquiring a plurality of license plates shot by the plurality of image acquisition devices within a preset time period, and screening out an abnormal license plate from the plurality of license plates according to a preset screening rule; determining a candidate license plate set corresponding to the abnormal license plate according to the position information of the source image acquisition equipment; screening out a first similar license plate set from the candidate license plate set according to the similarity between the abnormal license plate and each candidate license plate in the candidate license plate set; screening out a second similar license plate set from the first similar license plate set; screening out a target license plate from the second similar license plate set according to the similarity credibility between the abnormal license plate and each similar license plate in the second similar license plate set; and correcting the license plate information of the abnormal license plate according to the target license plate.
本申请实施例涉及图像处理技术领域,特别涉及一种车牌信息校正方法、设备及装置,用以在识别到异常车牌后对异常车牌进行校正以得到正确的车牌,提高交通数据分析的可靠性。获取多个图像采集设备在预设时长内拍摄到的多个车牌,并根据预设的筛选规则从多个车牌中筛选出异常车牌;根据源图像采集设备的位置信息确定与异常车牌对应的候选车牌集合;根据异常车牌与候选车牌集合中各个候选车牌之间的相似度,从候选车牌集合中筛选出第一相似车牌集合;从第一相似车牌集合中筛选出第二相似车牌集合;根据异常车牌与第二相似车牌集合中各个相似车牌之间的相似可信度,从第二相似车牌集合中筛选出目标车牌;并根据目标车牌对异常车牌进行车牌信息校正。
License plate information correction method, equipment and device
一种车牌信息校正方法、设备及装置
2022-05-13
Patent
Electronic Resource
Chinese
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