Detection of image orientation with mathematical morphology and orientation-adaptive image processing for antialiasing.

Masahide Naemura Atsushi Fukuda Yasunobu Mizutani Yoshinori Izumi Koichi Yamaguchi Yuichi Ninomiya Detection of image orientation with mathematical morphology and orientation-adaptive image processing for antialiasing. 16-27 1998 29 Systems and Computers in Japan 6 http://dx.doi.org/10.1002/(SICI)1520-684X(19980615)29:6<16::AID-SCJ2>3.0.CO;2-O db/journals/scjapan/scjapan29.html#NaemuraFMIYN98