Henry S. Baird, Terry P. Riopka. ScatterType: a reading CAPTCHA resistant to segmentation attack. In Elisa H. Barney Smith, Kazem Taghva, editors, Document Recognition and Retrieval XII, 16-20 January 2005, San Jose, California, USA, Proceedings. Volume 5676 of SPIE Proceedings, pages 197-207, SPIE, 2005. [doi]
@inproceedings{BairdR05, title = {ScatterType: a reading CAPTCHA resistant to segmentation attack}, author = {Henry S. Baird and Terry P. Riopka}, year = {2005}, url = {http://www.imaging.org/store/epub.cfm?abstrid=32865}, researchr = {https://researchr.org/publication/BairdR05}, cites = {0}, citedby = {0}, pages = {197-207}, booktitle = {Document Recognition and Retrieval XII, 16-20 January 2005, San Jose, California, USA, Proceedings}, editor = {Elisa H. Barney Smith and Kazem Taghva}, volume = {5676}, series = {SPIE Proceedings}, publisher = {SPIE}, isbn = {0-8194-5649-7}, }