Circular optimal trade-off and distance-classifier correlation filters

Samuel Peter Kozaitis; Sila Thangwaritorn

doi:10.1117/1.602480

1 May 2000 Circular optimal trade-off and distance-classifier correlation filters

Samuel Peter Kozaitis, Sila Thangwaritorn

Optical Engineering, Vol. 39, Issue 5, (May 2000). https://doi.org/10.1117/1.602480

We use circular versions of advanced distortion-invariant filters such as optimal trade-off synthetic discriminant function and distance classifier correlation filters to obtain rotation invariance with an optical correlator. The filter noise performance is compared using a common measure of probability of error because the filters have different characteristics. The filters are real-valued so they can be implemented on a variety of SLMs. The circular symmetry of the filters significantly decreases their computational requirement.

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Samuel Peter Kozaitis and Sila Thangwaritorn "Circular optimal trade-off and distance-classifier correlation filters," Optical Engineering 39(5), (1 May 2000). https://doi.org/10.1117/1.602480

Published: 1 May 2000

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KEYWORDS

Image filtering

Signal to noise ratio

Optical filters

Detection and tracking algorithms

Optical correlators

Spatial light modulators

Phase only filters

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