21 September 2004 Real-time multispectral video registration
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Abstract
Registering video imagery in real-time is a demanding process. Multispectral imagery adds complexity due to the variances between different bands. This paper demonstrates a process that registers airborne multispectral imagery at a rate of thirty frames per second. It can create both mosaics and multispectral sets from a camera that captures a cycle of spectral bands with each spectral band in a separate video frame. A series of phase correlation measurements provides subpixel accuracy. Roll, pitch and yaw variances are corrected with complex polynomial interpolation.
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Frank J. Crosby, "Real-time multispectral video registration", Proc. SPIE 5415, Detection and Remediation Technologies for Mines and Minelike Targets IX, (21 September 2004); doi: 10.1117/12.537233; https://doi.org/10.1117/12.537233
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