16 September 1992 Effective method for the binarization of the uneven lighting images
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Abstract
The disturbance of the uneven lighting is one of the difficult problems in image binarization. Usually, it is solved by the method of binarization in partitioned windows. But the size of the window may often bring about the problem of homogenous windows, i.e., windows contain only background or object pixels, and this can seriously affect the results of the binarization. In this paper, while using Otsu's automatic threshold selection method during the binarization in partitioned windows, we put forward a discriminating method which is based on pyramid data structure of Lorentz information measure. By using the method, the problem is solved perfectly.
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Qingming Huang, Qingming Huang, Shaojing Pan, Shaojing Pan, Tianwen Zhang, Tianwen Zhang, } "Effective method for the binarization of the uneven lighting images", Proc. SPIE 1700, Automatic Object Recognition II, (16 September 1992); doi: 10.1117/12.138300; https://doi.org/10.1117/12.138300
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