Palaiahnakote Shivakumara Trung Quy Phan Chew Lim Tan A Robust Wavelet Transform Based Technique for Video Text Detection. 1285-1289 2009 ICDAR http://dx.doi.org/10.1109/ICDAR.2009.83 conf/icdar/2009 db/conf/icdar/icdar2009.html#ShivakumaraPT09a