Open AccessCAPTCHA Analysis using Convolution Filtering
Author(s) -
KeunYoung Kim,
Dong-Chun Shin,
KyungHee Lee,
DaeHun Nyang
Publication year - 2014
Publication title -
jeongbo boho hakoe nonmunji/jeongbo boho haghoe nonmunji
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2288-2715
pISSN - 1598-3986
DOI - 10.13089/jkiisc.2014.24.6.1129
Subject(s) - captcha , computer science , convolution (computer science) , filter (signal processing) , noise (video) , artificial intelligence , image (mathematics) , computer vision , artificial neural network