Rotation-invariant discrimination between almost similar objects
Applied Optics, Vol. 22, Issue 1, pp. 130-132 (1983)
http://dx.doi.org/10.1364/AO.22.000130
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Abstract
A modified circular harmonic filter may be used for the rotation-invariant discrimination of a target from another object which contains the same pattern as the target. The method is illustrated by the experimental rotation-invariant detection of the letter F in the presence of the letter E.
© 1983 Optical Society of America
Citation
H. H. Arsenault and Yuan-Neng Hsu, "Rotation-invariant discrimination between almost similar objects," Appl. Opt. 22, 130-132 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-1-130
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