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中文摘要：
为了提高车牌的定位率和准确性,通过对车牌特征的研究,提出一种采用颜色特征、图像处理和投影结合的定位方法。首先利用车牌的颜色特征将车牌可能区域从整幅图像中确定,再利用水平移差扫描,边缘检测对图像进行处理,并利用投影以及车牌的长宽比例相结合的方法,确定车牌具体位置。结果表明,此方法对蓝底白字车牌定位较准确,并且具有一定的鲁棒性和实时性。
英文摘要：
An algorithm for license plate 1ocation based on the color characteristics,digital image processing and projection is proposed in order to improve the rate and accuracy of the positioning plate.First,the possible scope of the plates can be defined from hole images by using the color characteristics,and then horizontal difference and edge detection are used to process the image,and finally projection and the ratio of the length and width can be used to determine the specific location of the license plate.Experimental results show that the method apply to the blue license plate,and has good robustness and real-timeness.
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