14 November 1996 Infrared stereo imaging for 3D tracking of point targets
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We describe an infrared stereo imaging method for the 3D target tracking of distant moving point sources. In scenes which are typically lacking in significant features, correspondence between the two camera images is simplified by the application of a triple temporal filter to consecutive frames of data. This filter simultaneously accentuates the target and suppresses background clutter. We apply this stereo tracking technique to experimental range measurements in which the target is tracked with sub-pixel precision.
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Elaine R. Parshall, Jonathan Martin Mooney, Andrew Anselmo, "Infrared stereo imaging for 3D tracking of point targets", Proc. SPIE 2847, Applications of Digital Image Processing XIX, (14 November 1996); doi: 10.1117/12.258218; https://doi.org/10.1117/12.258218

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