Syuji Horiki Takashi Watanabe Akio Kimura Norio Tayama Improvement of combinatorial Hough transform to compensate sampling errors of digital lines. 57-67 1998 29 Systems and Computers in Japan 2 http://dx.doi.org/10.1002/(SICI)1520-684X(199802)29:2<57::AID-SCJ7>3.0.CO;2-P db/journals/scjapan/scjapan29.html#HorikiWKT98