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25 October 1993 Optimal correlation with ternary phase-amplitude filters in a binary discrimination tree
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Abstract
Ternary Phase-Amplitude Filters (TPAFs) have several advantages in optical pattern recognition applications. These advantages include effective signal-to-noise and signal-to- clutter translation-invariant discrimination ability, relatively high optical efficiency, and implicitly efficient storage of the filters. However, TPAFs are sensitive to changes in scale and rotation. Thus, relatively large numbers of filters must be applied to uniquely identify a particular target image. This paper proposes the use of binary discrimination tree to significantly reduce the number of filter applications required to identify a target image in a real-time target recognition environment.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
David L. Calloway "Optimal correlation with ternary phase-amplitude filters in a binary discrimination tree", Proc. SPIE 1959, Optical Pattern Recognition IV, (25 October 1993); https://doi.org/10.1117/12.160287
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