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4 September 1979 Map-Matching Techniques For Terminal Guidance Using Fourier Phase Information
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Proceedings Volume 0186, Digital Processing of Aerial Images; (1979) https://doi.org/10.1117/12.957495
Event: 1979 Huntsville Technical Symposium, 1979, Huntsville, United States
Abstract
The application of Lockheed's phase correlation image matching technique to missile guidance has been sys-tematically investigated during the past several years. An effective approach to the scene distortion problem has been developed and verified for a variety of sensor types by computer simulation. The method involves the computation of a full bandwidth Fourier phase difference matrix for the reference and sensed scenes to be matched, followed by the application of the inverse Fourier transform to the phase matrix modified by a series of bandwidth-reducing filters to produce a set of trial correlation functions. The "best" matchpoint is then selected using parameters derived from each correlation function. A novel method for onboard reference map storage has been developed using quantized Fourier phase angles.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. D. Kuglin, A. F. Blumenthal, and J. J. Pearson "Map-Matching Techniques For Terminal Guidance Using Fourier Phase Information", Proc. SPIE 0186, Digital Processing of Aerial Images, (4 September 1979); https://doi.org/10.1117/12.957495
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