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科技导报  2015 

光照不均图像的自适应加权均值算法

DOI: 10.3981/j.issn.1000-7857.2015.08.014, PP. 84-88

Keywords: 光照不均图像,自适应加权均值算法,二值化处理

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Abstract:

在结合矩形框加权均值算法的基础上,提出一种对光照不均图像进行二值化处理的自适应加权均值算法。对流量计图像中每个像素点分别计算阈值,利用和值表及自适应计算调整参数t,可有效地避免光照不均的影响,减少程序计算量,增强阈值自适应能力,提高流量检测速度及图像二值化处理效果。结果显示,在C++环境下,分别运用自适应加权均值算法和传统的基于小波包及Niblack算法,对所采集的同一幅流量计光照不均图像进行二值化处理,自适应加权均值算法用时1.6ms,基于小波包及Niblack算法用时9.3ms,且自适应加权均值算法处理效果明显优于传统算法。

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