1. Icdar2003, 〈http://algoval.essex.ac.uk/icdar/Datasets.html〉, 2003.
2. Msra text detection 500 database (msra-td500), 〈http://www.iapr-tc11.org/mediawiki/index.php/MSRA_Text_Detection_500_Database_(MSRA-TD500)〉, 2012.
3. Kaist scene text database, 〈http://www.iapr-tc11.org/mediawiki/index.php/KAIST_Scene_Text_Database〉, 2011.
4. The street view text dataset, 〈http://vision.ucsd.edu/~kai/svt/〉, 2011.
5. K. Wang, B. Babenko, S. Belongie, End-to-end scene text recognition, in: 2011 IEEE International Conference on Computer Vision (ICCV), IEEE, 2011, pp. 1457–1464.