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Optical Fourier processor and point-diffraction interferometer for moving-object trajectory estimation
1999
Applied Optics
A hybrid optical-digital signal processing system that estimates the trajectory of moving targets in a two-dimensional field at video frame rates was developed and constructed. The hybrid system is particularly well suited to the trajectory estimation of small, barely discernable, moving objects of unknown position and velocity in high-resolution image sequences. The system uses an optical Fourier processor and a point-diffraction interferometer to calculate the frequency-domain representation
doi:10.1364/ao.38.004306
pmid:18323916
fatcat:ibdwxi6xbfbkvp3otvmixicybq