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Game-based image semantic CAPTCHA on handset devices
Yang, Tzu-I, Koong, Chorng-Shiuh, Tseng, Chien-ChaoVolume:
74
Language:
english
Journal:
Multimedia Tools and Applications
DOI:
10.1007/s11042-013-1666-7
Date:
July, 2015
File:
PDF, 608 KB
english, 2015