粗定位业务又称Cell-id定位，其实现原理是：定位平台向核心网发送信令，查询手机所在小区ID，根据存储的基站数据库（BSA）数据，得出用户大致位置。
... CMOS 互补金（属）氧（化物）半导体 coarse positioning 粗定位 coarse radio location 粗略无线电定位 ...
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In this method,skin color model and mask are used for the task of rough location,which give some possible regions of faces. Then directional templates based eye location is performed to verify the presence of face and accurate location.
首先利用肤色模型和掩膜进行粗定位,确定人脸可能区域,然后通过基于方向模板的眼睛定位进行人脸存在的确认和精确定位。
参考来源 - 一种基于肤色模型和眼睛定位的人脸检测方法This algorithm is realized by block orientation rough matching, ridge line fine matching in template and ridge matching in windows with two levels of judgement.
算法由块方向图粗定位、模板内脊线对准细定位及多窗口脊线定位三个步骤以及两轮判决来实现。
参考来源 - 基于脊线对准的指纹自动识别新方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了一种集装箱箱号字符粗定位方法。
A rough localization method for container code characters is proposed.
在车牌定位方面，本文采用了灰度跳变频率算法进行粗定位。
In the aspect of vehicle plate location, author adopt the algorithm of the frequency of gray scale alternate to seek approximately location.
本文介绍了一种在光纤对接系统中用于光纤粗定位的视觉子系统。
To introduce a vision subsystem that is used for optical fibre positioning in a fibre optic butting system.
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