Misako Suwa, Satoshi Naoi. Separation algorithm of superimposed pattern using directional decomposition of an image. In Tapas Kanungo, Elisa H. Barney Smith, Jianying Hu, Paul B. Kantor, editors, Document Recognition and Retrieval X, 22-23 January 2003, Santa Clara, California, USA, Proceedings. Volume 5010 of SPIE Proceedings, pages 278-285, SPIE, 2003. [doi]
Abstract is missing.