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Issue:
License Plate Identification in Complex Weather Conditions
Author(s):
LI Xinzuo
,
YANG Yanjing
,
SHU Chang
Pages:
91
-
94
Year:
2012
Issue:
11
Journal:
Electronic Science and Technology
Keyword:
image enhancement
;
binary morphology
;
image segmentation
;
BP neural network
;
license plate recognition
;
Abstract:
在复杂天气条件下,由于大雾或者强光照射造成车牌成像的失真,使传统基于图像的车牌识别方法难以准确识别车牌信息。文中基于何恺明提出的Dark Channel Prior 和直方图均衡方法能有效消除天气带来的干扰。并通过形态学方法对被噪声影响的图像进行复原、修正,最后通过基于BP神经网络对车牌信息进行识别。实验证明,文中方法对恶劣天气条件下的车牌信息还原清晰,有着较好的识别效果。
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