Jonghyun Park and Toan Nguyen Dinh and Gueesang Lee, Binarization of Text Region based on Fuzzy Clustering and Histogram Distribution in Signboards. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2008, vol. 19(7). 2319 - 2324 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/11950.