US 11,867,564 B2
Divided-aperture infra-red spectral imaging system
Robert Timothy Kester, Friendswood, TX (US); and Nathan Adrian Hagen, Utsunomiya (JP)
Assigned to Rebellion Photonics, Inc., Houston, TX (US)
Filed by Rebellion Photonics, Inc., Houston, TX (US)
Filed on Apr. 8, 2022, as Appl. No. 17/658,567.
Application 17/658,567 is a continuation of application No. 17/247,382, filed on Dec. 9, 2020, granted, now 11,326,957.
Application 17/247,382 is a continuation of application No. 16/388,010, filed on Apr. 18, 2019, granted, now 10,914,639, issued on Feb. 9, 2021.
Application 16/388,010 is a continuation of application No. 15/418,532, filed on Jan. 27, 2017, granted, now 10,267,686, issued on Apr. 23, 2019.
Application 15/418,532 is a continuation of application No. 14/538,827, filed on Nov. 12, 2014, granted, now 9,562,849, issued on Feb. 7, 2017.
Claims priority of provisional application 61/903,075, filed on Nov. 12, 2013.
Prior Publication US 2022/0228922 A1, Jul. 21, 2022
Int. Cl. G01J 5/53 (2022.01); H04N 5/33 (2023.01); H04N 3/09 (2006.01); G01J 3/02 (2006.01); G01J 3/36 (2006.01); G01J 5/00 (2022.01); G01J 3/26 (2006.01); G01J 3/28 (2006.01); G01J 5/20 (2006.01); G01J 5/0806 (2022.01); G01J 5/0802 (2022.01); G01J 5/0804 (2022.01); H04N 23/11 (2023.01); H04N 25/67 (2023.01); H04N 25/671 (2023.01); H04N 25/673 (2023.01); G01N 21/3504 (2014.01); G01J 3/12 (2006.01); G01N 21/17 (2006.01); G01J 5/80 (2022.01)
CPC G01J 5/53 (2022.01) [G01J 3/0208 (2013.01); G01J 3/0232 (2013.01); G01J 3/0256 (2013.01); G01J 3/0297 (2013.01); G01J 3/12 (2013.01); G01J 3/26 (2013.01); G01J 3/28 (2013.01); G01J 3/2823 (2013.01); G01J 3/36 (2013.01); G01J 5/0014 (2013.01); G01J 5/0802 (2022.01); G01J 5/0804 (2022.01); G01J 5/0806 (2013.01); G01J 5/20 (2013.01); G01N 21/3504 (2013.01); H04N 3/09 (2013.01); H04N 5/33 (2013.01); H04N 23/11 (2023.01); H04N 25/67 (2023.01); H04N 25/671 (2023.01); H04N 25/673 (2023.01); G01J 5/80 (2022.01); G01J 2003/283 (2013.01); G01J 2003/2826 (2013.01); G01J 2005/0077 (2013.01); G01N 2021/1793 (2013.01); G01N 2021/3531 (2013.01); G01N 2201/068 (2013.01); G01N 2201/06106 (2013.01); G01N 2201/127 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An infrared (IR) imaging system comprising:
at least two spatially and spectrally different optical channels;
a plurality of cameras;
a first temperature-controlled reference source imaged by the plurality of cameras;
a second temperature-controlled reference source imaged by the plurality of cameras;
a first temperature-controlled shutter and a second temperature-controlled shutter removably positioned to block IR radiation incident on the IR imaging system from reaching the plurality of cameras; and
a data-processing unit comprising a processor, said data-processing unit configured to:
dynamically calibrate the plurality of cameras so that the plurality of cameras imaging a scene generate matching temperature estimates of the first temperature-controlled reference source or the second temperature-controlled reference source.