Hyperspectral target identification
AssigneeBAE Systems Information and Electronic Systems Integration Inc.
InventorMichael J. CHOINIERE
Life of this patent
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Abstract
The system and method for hyperspectral target identification provides for sue of a sensor array such that for a 2 by 2 pixel, each pixel is set to a different wavelength by employing a band pass filter, so that one can determine whether a cluster set is of a natural object or a man-made object. Using ratios of the collected energy within the partitioned sub-bands one can make near real-time declarations about targets and in some cases, friend or foe determinations.
Claims18
A method for hyperspectral target identification, comprising:
- mapping specific wavelengths and bandwidths to each of a plurality of pixels in a cluster within a sensor array using a series optical filters for the specific clutter signatures;
- calculating ratios between pixel pairs from the plurality of pixels on the sensor array, wherein at least four pixels are used for calculating ratios and one of the four pixels is used as a reference pixel;
- and
- eliminating clutter from an image comprising the plurality of pixels on the sensor array based on the calculated ratios using a programmable logic device having contrast spatial filters.
A method for hyperspectral target identification, comprising:
- mapping specific wavelengths and bandwidths to each of a plurality of pixels on an FPGA sensor array;
- calculating ratios between pixel pairs from the plurality of pixels on an FPGA sensor array, wherein at least four pixels (2×2) are used for calculating ratios and one of the four pixels is used as a reference pixel;
- and
- eliminating clutter from an image comprising the plurality of pixels on an FPGA sensor array based on the calculated ratios using contrast spatial filters to provide real-time processing.
A computer program product comprising one or more non-transitory machine-readable mediums encoded with instructions that when executed by one or more processors cause a process to be carried out for hyperspectral target identification, the process comprising:
- mapping specific wavelengths and bandwidths to each of a plurality of pixels on an FPGA sensor array;
- calculating ratios between pixel pairs from the plurality of pixels on an FPGA sensor array, wherein at least four pixels (2×2) are used for calculating ratios and one of the four pixels is used as a reference pixel;
- and
- eliminating clutter from an image comprising the plurality of pixels on an FPGA sensor array based on the calculated ratios using contrast spatial filters to provide real-time processing.
Dependencies are inferred from the claim text.