System and method for the collection of spectral image data
First Claim
1. A push-broom scanning spectrometer, comprising:
- an imager adapted to simultaneously acquire a line of image pixel from a moving package, wherein the image pixel line comprises a plurality of contiguou spectral bands, wherein the image pixel line is oriented perpendicular to the direction of motion of the package, wherein the package includes a plurality of items;
a conveyer system adapted to move the package through field of view corresponding to the imager; and
a processor capable of being programmed to compare the line of image pixels with a references signal and to determine the location of the plurality of items within the package based on the comparison of the line of image pixels to the reference signal.
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Abstract
A method of verifying the contents of a package comprising obtaining a spectral image of a first package, the first package having a plurality of receptacles configured to receive an item, wherein the plurality of first package receptacles do not contain any items, acquiring a spectral image of a second package, the second package having a plurality of receptacles configured to receive an item, wherein the plurality of second package receptacles each contain an item, and comparing the spectral image of the first package with the spectral image of the second package wherein acquiring a spectral image of a second package comprises acquiring a plurality of spectral image lines and wherein each of the spectral image lines comprises a plurality of image pixels.
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Citations
14 Claims
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1. A push-broom scanning spectrometer, comprising:
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an imager adapted to simultaneously acquire a line of image pixel from a moving package, wherein the image pixel line comprises a plurality of contiguou spectral bands, wherein the image pixel line is oriented perpendicular to the direction of motion of the package, wherein the package includes a plurality of items;
a conveyer system adapted to move the package through field of view corresponding to the imager; and
a processor capable of being programmed to compare the line of image pixels with a references signal and to determine the location of the plurality of items within the package based on the comparison of the line of image pixels to the reference signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A push-broom scanning spectrometer, comprising:
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an imager adapted to simultaneously acquire line of image pixels from a moving package, wherein the image pixel line comprises a plurality of contiguous spectral bands, wherein the image pixel line is oriented perpendicular to the direction of motion of the package, wherein the package includes a plurality of items having a chemical composition, and wherein the plurality of contiguous spectral bands corresponds to the chemical composition of the plurality of items;
a conveyer system adapted to move the through a field of view corresponding to the imager; and
a processor capable of being programmed to compare the line of image pixels with a references signal and to determine the location of the plurality of items within the package based on the comparison of the line of image pixels to the reference signal. - View Dependent Claims (8)
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9. A method of determining the location of a plurality of items within a package using a scanning spectrometer, comprising:
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acquiring a line of image pixels from a moving package through an imager, wherein the image pixel line comprises a plurality of contiguous spectral bands, wherein the image pixel line is oriented perpendicular to the direction of motion of the package and wherein the package includes a plurality of items having a chemical composition and wherein the plurality of contiguous spectral bands corresponds to the chemical composition of the plurality of items;
moving the package through a field of view of the imager;
comparing the line of image pixels with a reference signal; and
determining the location of the plurality of items within the package based on the comparison of the line of image pixels to the reference signal. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification