Back to results
US 12,699,047 B2Granted
System and method for detecting and controlling a spectrum of a light source of a hyperspectral imaging system
AssigneeNeolithics Ltd.
InventorsEliyahu Osherovich, Timea Ignat, Ze'ev Schmilovitch
Life of this patent
Estimating the term…
Abstract
There is provided a system and method for determining external and/or internal attributes of an object using hyperspectral imaging, while taking into consideration changes in the spectral emission profile of the light source used for the imaging.
Claims9
A system for determining external and/or internal attributes of a produce, the system comprising:
- a halogen light source configured to illuminate the produce;
- a light source sensor configured to generate a signal indicative of a spectral emission profile of the halogen light source, wherein the light source sensor is a temperature sensor or a current and/or voltage monitor;
- a power supply coupled to the halogen light source and configured to supply power to the halogen light source;
- a control unit capable of adjusting a frequency, a current, and/or a voltage of the power supply;
- one or more optical sensors operating in visual and/or non-visual spectra and configured to capture images of the illuminated produce;
- and
- a processing unit configured to:
- receive the signal from the light source sensor and to compute a spectral emission profile of the halogen light source, based thereon;
- dynamically trigger the control unit to adjust a frequency, a current, and/or a voltage of the power supply, based on the computed spectral emission profile, so as to maintain the spectral emission profile of the halogen light source within a predetermined range;
- receive spectral data from the one or more optical sensors after adjustment of the power supply;
- and
- derive an internal and/or external quality attribute of the produce, based on the spectral data, based on the spectral data received from the one or more optical sensors.
9 more elements
A system for determining external and/or internal attributes of a produce, the system comprising:
- a halogen light source configured to illuminate the produce;
- a light source sensor configured to generate a signal indicative of a spectral emission profile of the halogen light source, wherein the light source sensor is a temperature sensor or a current and/or voltage monitor;
- one or more optical sensors operating in visual and/or non-visual spectra and configured to capture images of the illuminated produce;
- and
- a processing unit programmed with a machine learning model configured to:
- receive as an input the sensor signals or the spectral emission profile derived therefrom and output an optimal output voltage and/or current, based thereon:
- receive spectral data from the one or more optical sensors;
- and
- output an internal and/or external quality attribute of the produce based on the received sensor signals or the spectral emission profile derived therefrom and the received spectral data.
6 more elements
Dependencies are inferred from the claim text.