Rapeeporn Chamchong, Yuttapong Rangsanseri, Punya Thitimajshima. Data extraction in form documents with gray-level background using morphological processing. In Daniel P. Lopresti, Jiangying Zhou, editors, Document Recognition and Retrieval VII, San Jose, CA, USA, January 22, 2000. Volume 3967 of SPIE Proceedings, pages 115-119, SPIE, 2000. [doi]
Abstract is missing.