Improving binary phase-only filter distortion invariance by direct phase iterations

David L. Flannery

doi:10.1117/12.160286

25 October 1993 Improving binary phase-only filter distortion invariance by direct phase iterations

David L. Flannery

Proceedings Volume 1959, Optical Pattern Recognition IV; (1993) https://doi.org/10.1117/12.160286
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

Investigations of an algorithm using direct iteration of binary phase states to approach the goal of correlation response uniformity across an arbitrary training set are reported. The approach is applied to a real-world filter design case involving 180 training set images and is compared to other methods (e.g., the Jared-and-Ennis approach) in terms of both effectiveness and computational demands. Concepts to improve and extend the approach and to integrate it with other BPOF (TPAF) optimization techniques that adjust the region of support are suggested.

Citation Download Citation

David L. Flannery "Improving binary phase-only filter distortion invariance by direct phase iterations", Proc. SPIE 1959, Optical Pattern Recognition IV, (25 October 1993); https://doi.org/10.1117/12.160286

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