INFRARED IMAGING-RELATED UNCERTAINTY GAUGING SYSTEMS AND METHODS
Techniques for facilitating uncertainty gauging for imaging systems and methods are provided. In one example, a method includes determining temperature data associated with infrared image data of a scene. The method further includes receiving at least one parameter associated with the infrared image data. The method further includes determining an uncertainty factor associated with the temperature data based on the at least one parameter. Related devices and systems are also provided.
1 . A method comprising:
determining temperature data associated with infrared image data of a scene;
receiving at least one parameter associated with the infrared image data; and
determining an uncertainty factor associated with the temperature data based on the at least one parameter.
2 . The method of claim 1 , wherein the uncertainty factor is based at least on comparing the at least one parameter with at least one corresponding threshold value.
3 . The method of claim 1 , wherein the at least one parameter is associated with a focal plane array (FPA) used to capture the infrared image data.
4 . The method of claim 3 , wherein the at least one parameter comprises a temperature of the FPA when the infrared image data is captured, a change in the temperature of the FPA over time, a temperature associated with a calibration of the FPA, a gain mode associated with the FPA, a time since a start-up of the FPA, and/or a distance from a predetermined location of a field of view of the FPA.
5 . The method of claim 3 , wherein the at least one parameter comprises a difference between a temperature of the FPA when the infrared image data is captured and a temperature associated with a calibration of the FPA.
6 . The method of claim 3 , further comprising:
capturing, by the FPA, infrared radiation; and
generating, by the FPA, the infrared image data based on the infrared radiation, wherein the infrared image data comprises, for each detector of the FPA, a corresponding data value of the infrared image data representing an intensity of infrared radiation captured by the detector,
wherein the temperature data comprises an object recognition result, a temperature prediction associated with an object, a mean temperature associated with the infrared image data, a standard deviation and/or variance associated with the infrared image data, a lowest temperature value associated with the infrared image data, and a highest temperature value associated with the infrared image data.
7 . The method of claim 3 , wherein the at least one parameter comprises a transmissivity associated with one or more objects between the scene and the FPA.
8 . The method of claim 1 , wherein the uncertainty factor is one of a plurality of predetermined uncertainty levels.
9 . The method of claim 8 , wherein:
the uncertainty factor is associated with a first predetermined uncertainty level of the plurality of predetermined uncertainty levels based at least on:
a temperature of a focal plane array (FPA) used to capture the infrared image data being between a first temperature range; and
a magnitude of a rate of a change in the temperature of the FPA over time being less than a threshold rate; and
the uncertainty factor is associated with a second predetermined uncertainty level of the plurality of predetermined uncertainty levels based at least on:
the temperature of the FPA being outside the first temperature range and between a second temperature range that encompasses the first temperature range; and
the magnitude of the rate of the change in the temperature of the FPA over time being less than the threshold rate.
10 . The method of claim 9 , wherein:
the uncertainty factor is associated with the first predetermined uncertainty level further based at least on a transmissivity associated with one or more objects between the scene and the FPA being greater than a transmissivity threshold; and
the uncertainty factor is associated with the second predetermined uncertainty level further based at least on the transmissivity being greater than the transmissivity threshold.
11 . The method of claim 1 , further comprising:
storing the uncertainty factor; and/or
displaying the uncertainty factor.
12 . The method of claim 11 , further comprising displaying a representation of the infrared image data, wherein the uncertainty factor is overlaid on the representation.
13 . An infrared imaging system comprising:
a processing circuit configured to:
determine temperature data associated with infrared image data of a scene;
receive at least one parameter associated with the infrared image data;
determine an uncertainty factor associated with the temperature data based on the at least one parameter.
14 . The infrared imaging system of claim 13 , wherein the uncertainty factor is based at least on comparing the at least one parameter with at least one corresponding threshold value.
15 . The infrared imaging system of claim 13 , wherein the processing circuit is configured to receive the at least one parameter in a header of an infrared image formed based on the infrared image data.
16 . The infrared imaging system of claim 13 , wherein the at least one parameter is associated with a focal plane array (FPA) used to capture the infrared image data, wherein the at least one parameter comprises a temperature of the FPA when the infrared image data is captured, a change in the temperature of the FPA over time, a temperature associated with a calibration of the FPA, a gain mode associated with the FPA, a time since a start-up of the FPA, a distance from a predetermined location of a field of view of the FPA, and/or a transmissivity associated with one or more objects between the scene and the FPA.
17 . The infrared imaging system of claim 13 , wherein the temperature data comprises an object recognition result, a temperature prediction associated with an object, a mean temperature associated with the infrared image data, a standard deviation and/or variance associated with the infrared image data, a lowest temperature value associated with the infrared image data, and a highest temperature value associated with the infrared image data.
18 . The infrared imaging system of claim 13 , further comprising a focal plane array (FPA) configured to:
capture infrared radiation; and
generate the infrared image data based on the infrared radiation, wherein the infrared image data comprises, for each detector of the FPA, a corresponding data value of the infrared image data representing an intensity of infrared radiation captured by the detector.
19 . The infrared imaging system of claim 13 , wherein the uncertainty factor is one of a plurality of predetermined uncertainty levels.
20 . The infrared imaging system of claim 19 , wherein:
the uncertainty factor is associated with a first predetermined uncertainty level of the plurality of predetermined uncertainty levels based at least on:
a temperature of a focal plane array (FPA) used to capture the infrared image data being between a first temperature range; and
a magnitude of a rate of a change in the temperature of the FPA over time being less than a threshold rate; and
the uncertainty factor is associated with a second predetermined uncertainty level of the plurality of predetermined uncertainty levels based at least on:
the temperature of the FPA being outside the first temperature range and between a second temperature range that encompasses the first temperature range; and
the magnitude of the rate of the change in the temperature of the FPA over time being less than the threshold rate.