Single camera color and infrared polarimetric imaging

D Twede - US Patent 8,411,146, 2013 - Google Patents
A single aperture polarimetric color imaging system includes a color filter array including a
plurality of RGB filter elements in a path of received radiation that includes color band and …

Method of apparatus for cross-modal face matching using polarimetric image data

NJ Short, S Hu, AL Chan, KP Gurton - US Patent 9,830,506, 2017 - Google Patents
A method and apparatus for cross-modal matching with polarimetric thermal image data is
provided. According to one embodiment, the method comprises receiving a plurality of …

Snapshot spatial heterodyne imaging polarimetry

MW Kudenov, MJ Escuti - US Patent 9,442,015, 2016 - Google Patents
Polarization based channeled images are optically demodu lated to produce directly
viewable images. A channeled image flux is converted to an unpolarized flux by a phosphor …

Polarization-based mapping and perception method and system

TM Aycock, DB Chenault, JB Hanks… - US Patent …, 2017 - Google Patents
(57) ABSTRACT A method using Long Wave Infrared Imaging Polarimetry for improved
mapping and perception of a roadway or path and for perceiving or detecting obstacles …

Electronically steered inter-satellite optical communication system with micro-electromechanical (MEM) micromirror array (MMA)

GP Uyeno, SD Keller, BH Gleason - US Patent 11,333,879, 2022 - Google Patents
Embodiments of a satellite transceiver configurable for inter-satellite communication and
configurable for satellite to ground communication are disclosed herein. In some …

Polarization imaging for facial recognition enhancement system and method

JL Pezzaniti, DB Chenault - US Patent 10,311,285, 2019 - Google Patents
A method for enhancing an image for facial recognition comprises capturing an image of the
face with a polarizer and correcting the polarized image for non-uniformity. Stokes …

Spectrographic polarimeter and method of recording state of polarity

WB Sparks - US Patent 9,097,585, 2015 - Google Patents
2. Description of the Background Electromagnetic radiation in the form of light is character
ized by various properties including intensity, direction of propagation, frequency or …

Position tracking system for head-mounted display systems that includes angle sensitive detectors

J Hudman, A Yates, GW Stoll, E Fletcher - US Patent 11,209,657, 2021 - Google Patents
Systems and methods for tracking the position of a head mounted display (HMD) system
component, such as a wearable HMD device or a hand-held controller. The HMD …

Method for identifying a scene from multiple wavelength polarized images

M Alouini, A Beniere, D Dolfi, G Berginc… - US Patent …, 2014 - Google Patents
Techniques for identifying images of a scene including illuminating the scene with a beam of
3 or more wavelengths, polarized according to a determined direction; simultaneously …

Multispectral and hyperspectral ocular surface evaluator

A Zhang - US Patent 11,253,151, 2022 - Google Patents
(57) ABSTRACT A multispectral or hyperspectral ocular surface evaluating device is
disclosed, comprising an illumination projector, which comprises a broadband illumination …