Patent ID: 11953700
Assignee: INTRINSIC INNOVATION LLC
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G

Claim 0:
1. An optical system comprising:
a beam splitter system configured to split an input beam into a plurality of output beams comprising a first output beam, a second output beam, and a third output beam;
a first polarizing filter having a first angle of polarization and configured to filter the first output beam to produce a first filtered output beam having the first angle of polarization;
a second polarizing filter having a second angle of polarization and configured to filter the second output beam to produce a second filtered output beam having the second angle of polarization; and
a third polarizing filter having a third angle of polarization and configured to filter the third output beam to produce a third filtered output beam having the third angle of polarization, the first, second, and third angles of polarization being different from one another;
a plurality of image sensors configured respectively capture a first polarization image from the first filtered output beam, a second polarization image from the second filtered output beam, and a third polarization image from the third filtered output beam; and
a processing system comprising one or more processors and one or more computer-readable storage devices storing instructions that are operable, when executed by the one or more processors, to cause the one or more processors to perform operations comprising:
computing pixel-level correspondences between the first polarization image, the second polarization image, and the third polarization image, and
computing an angle of linear polarization (AOLP) image and a degree of linear polarization (DOLP) image from the computed pixel-level correspondences between the first polarization image, the second polarization image, and the third polarization image.