Two methods for the location of license plate are proposed based on distinguished texture feature. One is window search and shift scan, the other is fractal box dimension inspection.
本文在对大量图片进行各种综合处理的基础上,总结出将图象进行灰度化、锐化、二值化、中值滤波的预处理方法,很好地消除了图象的噪音,强化了纵向纹理区域;通过对车牌特征和定位技术的深入研究,提出了基于纹理特征的两种定位方法:一种是基于移差扫描和窗口搜索的车牌定位方法,另一种是基于分形盒子维数的车牌定位方法。
参考来源 - 汽车牌照自动识别技术研究与系统开发·2,447,543篇论文数据,部分数据来源于NoteExpress
The definition of short-time fractal box dimension and the fuzzy control function of the filter are discussed.
讨论了滤波器中时间序列的短时分形盒维数的定义及分形模糊控制函数形式及选用方式。
The frequency-magnitude response of the fractal filter and the change of fractal box dimension of white noise and color noise are analyzed.
分析了一阶分形模糊控制滤波器的频率-幅度特性,白噪声和有色噪声分形盒维数的变化;
Based on fractal box dimension feature of signals, this paper presents a spectrum sensing method employing the difference of fractal box dimension be tween noise and licensed signals.
在信号分形盒维数特征的基础上,提出利用噪声与授权信号分形盒维数的差异对授权用户是否存在进行检测。
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