• 中国计算机学会会刊
  • 中国科技核心期刊
  • 中文核心期刊
Recognition of printednumerical codes
and its application based on iPhones   
CHENG Yigong1,2,LI Guohe1,2,3,LIN Renjie1,2,HE Yun1,2,WU Weijiang1,2,3,HONG
J4 . 2015, (12): 2399 -2404 .