Method and Apparatus for Hyperspectral Imaging
OwnerMichael John Darwininventor
Life of this patent
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Abstract
A method and apparatus for the generation of hyperspectral images for an object consisting of a broad band light projection systems, a means of modulating the wavelength of the light, one or more sensors for observing the reflected light, one or more electronic means of synchronizing and extracting data from the sensor, one or more sensors for registering position, one or more calibration methods for rationalizing the data, and one or more algorithms for analyzing the data to produce the hyperspectral image.
Claims5
1) A method for hyperspectral imaging of an object or objects using a “CHIRP” modulation, the method comprising a light source of sufficient bandwidth and brightness, a tunable optical filter, such as an acousto-optic-transmission filter, with driver capable of “CHIRPING,” brightfield or darkfield illumination optics, lens of sufficient resolution to measure the samples, imaging optics, one or more sensor(s) of sufficient sensitivity and readout rate to enable sampling of the “CHIRP” signal, hardware and software to enable the creation of the “CHIRP” source and demodulation of the “CHIRP” signal, calibration method for normalizing the spectroscopic response, and hardware and software required for synchronizing data sampling with location of sample.
2) A method for hyperspectral imaging of an object or objects using a “CHIRP” modulation, the method comprising a light source of sufficient bandwidth and brightness, a tunable optical filter, such as an acousto-optic-transmission filter, with driver capable of “CHIRPING,” brightfield or darkfield illumination optics, lens of sufficient resolution to measure the sample, galvanometric scanner(s) with mirrors and programmable driver capable of scanning entire field of view, imaging optics, one or more sensor(s) of sufficient sensitivity and readout rate to enable sampling of the “CHIRP” signal, hardware and software to enable the creation of the “CHIRP” source and demodulation of the “CHIRP” signal, calibration method for normalizing the spectroscopic response, and hardware and software required for synchronizing data sampling with location of sample.
3) A method for hyperspectral imaging of an object or objects using a “CHIRP” modulation, the method comprising a light source of sufficient bandwidth and brightness, a tunable optical filter, such as an acousto-optic-transmission filter, with driver capable of “CHIRPING,” brightfield or darkfield illumination optics, lens of sufficient resolution to measure the sample, combination of rotating polygon scanner(s) with galvanometric mirror(s) and programmable driver capable of scanning entire field of view, imaging optics, one or more sensor(s) of sufficient sensitivity and readout rate to enable sampling of the “CHIRP” signal, hardware and software to enable the creation of the “CHIRP” source and demodulation of the “CHIRP” signal, calibration method for normalizing the spectroscopic response, and hardware and software required for synchronizing data sampling with location of sample.
4) A method for hyperspectral imaging of an object or objects using a “CHIRP” modulation, the method comprising a light source of sufficient bandwidth and brightness, a tunable optical filter, such as an acousto-optic-transmission filter, with driver capable of “CHIRPING,” brightfield or darkfield illumination optics, lens of sufficient resolution to measure the sample, combination of rotating polygon scanner(s) with galvanometric mirror(s) and scanning stage(s) and programmable driver capable of scanning entire field of view, imaging optics, one or more sensor(s) of sufficient sensitivity and readout rate to enable sampling of the “CHIRP” signal, hardware and software to enable the creation of the “CHIRP” source and demodulation of the “CHIRP” signal, calibration method for normalizing the spectroscopic response, and hardware and software required for synchronizing data sampling with location of sample.
5) A method for hyperspectral imaging of an object or objects using a “CHIRP” modulation, the method comprising a light source of sufficient bandwidth and brightness, a tunable optical filter, such as an acousto-optic-transmission filter, with driver capable of “CHIRPING,” brightfield or darkfield illumination optics, lens of sufficient resolution to measure the sample, combination of rotating polygon scanner(s) with galvanometric mirror(s) and scanning stage(s) and programmable driver capable of scanning entire field of view, imaging optics, one or more sensor(s) of sufficient sensitivity and readout rate to enable sampling of the “CHIRP” signal, hardware and software to enable the creation of the “CHIRP” source and demodulation of the “CHIRP” signal, calibration method for normalizing the spectroscopic response, hardware and software required for synchronizing data sampling with location of sample, and programmable sampling methodology to enable variable density sampling, area reconstruction of spectrally sampled areas, and optimized sampling speed.
Dependencies are inferred from the claim text.