Virginia TechFujii, H.Almeida, S. P.Dowling, J. E.2014-04-042014-04-041980-06Hitoshi Fujii, Silverio P. Almeida, and James E. Dowling, "Rotational matched spatial filter for biological pattern recognition," Appl. Opt. 19, 1190-1195 (1980). doi: 10.1364/ao.19.0011900003-6935http://hdl.handle.net/10919/46961Randomly oriented microbiological patterns are recognized by rotating a matched spatial filter with an optical wedge prism. The filter is made from a composite input pattern with various sized objects to cover wider ranges of size variation in a species to be identified.application/pdfenIn CopyrightArticle - Refereedhttp://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-19-7-1190https://doi.org/10.1364/ao.19.001190