Therefore, the LPIRS consists of digital image collection and pre-procession, characters seperation, extracting characteristic and recognizing characters.
因此,车牌智能识别系统主要由图像采集与预处理、车牌区域定位、车牌字符分割、特征提取与字符识别等部分组成。
参考来源 - 高速公路收费系统的车牌智能识别系统·2,447,543篇论文数据，部分数据来源于NoteExpress
The complex wavelet functions constructed by means of this method have advantages of good performance in frequency localization and better veracity in extracting characteristic parts of signals.
该方法构造的复值小波具有频率局部化性能好、取故障信号特征分量较准确的优点。
The theoretic model and actual seismic data prove that GST is a feasible and effective method in extracting the characteristic information for its anti-interference ability.
通过理论模型和实际资料的试算表明，广义s变换在特征信息提取方面是行之有效的，具有较强的抗干扰能力。
In extracting texture characteristic, to cut down the amount of calculation, we compress the image and convert it to gray image.
在提取纹理特征时，为了减少计算量，首先对原图像进行压缩和灰度化。
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