Abstract
A binarization algorithm tolerant to both gradual change of intensity caused by shade and the discontinuous changes caused by shadows is described in this paper. This algorithm is based on "shade-planes", in which intensity changes gradually and no edges are included. These shade-planes are produced by selecting a "principal-intensity" in each small block by a quasi-optimization algorithm. One shade-plane is then selected as the background to eliminate the gradual change in the input image. Consequently, the image, with its gradual change removed, is binarized by a conventional global thresholding algorithm. The binarized image is provided to a road marking recognition system, for which influence of shade and shadows is inevitable in the sunlight. © 2009 Springer Berlin Heidelberg.
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CITATION STYLE
Suzuki, T., Kodaira, N., Mizutani, H., Nakai, H., & Shinohara, Y. (2009). A binarization algorithm based on shade-planes for road marking recognition. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 5575 LNCS, pp. 51–60). https://doi.org/10.1007/978-3-642-02230-2_6
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