For the key technology of vehicle license identification-license orientation, the transaction process is presented, including the main technology of theory and practical methods of color image graying, gray image binary coding, noise filtering,license searching,region reduction and so on.
针对汽车牌照识别中的关键技术——牌照定位,给出了牌照定位的处理流程,以及彩色图像灰度化、灰度图像二值化、噪音滤波、牌照搜索、区域裁减等关键技术的原理和具体方法,最后给出了分析实例。
a licence-/number-plate,eg on a car
牌照[号码牌]（如汽车上的）.
Licensing Section [Urban Services Department]
牌照组〔市政总署〕
safety approval plate [container]
安全合格牌照〔货柜〕
His car have a diplomatic number plate.
他的车有外交牌照。
Fixed Pitch (Bootblack) Licence
固定摊位（擦鞋）牌照
Fixed Pitch (Other Classes) Licence
固定摊位（其它类别）牌照
Thirty-two licences were issued in 1997.
年内，共发出32个牌照。
amusement game centre licence conditions
游戏机中心牌照条件
Itinerant (Mobile Van) Hawker Licence
流动小贩（流动车）牌照
temporary places of entertainment licence
临时公众娱乐场所牌照
stop and license plate light
停车和牌照灯的组合灯
application for a waste disposal licence
申请领取废物处置牌照
have an HGV licence
有大型运货卡车牌照.
Water Pollution Control Ordinance Licence
水污染管制条例牌照
Application for a Grade I Plumber's Licence
申请一级水喉匠牌照
Application for Lottery Licence
奖券活动牌照申请书
Frozen Confection Factory Licence
冰冻甜点制造厂牌照
Management and Licensing Branch [Transport Department]
管理及牌照科〔运输署〕