Projection-Based License Plate Location in Night Scene
首发时间:2011-08-25
Abstract:Extracting the license plate region is the critical first step in the license plate recognition system. This paper adopts grey level stretch and image enhancement to get better images. For locating the license plate in night scene, this paper proposes a lights searching method base on projection algorithm. Through rough location module, stretch location module, analysis module and three-level scoring system, the license plate will be extracted finally.
keywords: License plate location Projection Lights searching Night scene
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基于投影法的夜间车牌定位
摘要:车牌识别系统中,提取车牌区域是最关键的第一步。本文通过灰度拉伸和图像处理技术以获得效果更好的图片。对于夜间车牌定位,本文提出了一种基于投影法的寻车灯方法。通过粗定位模块、细定位模块、分析模块和三级打分系统,车牌区域最终会被提取出来。
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