Depth mapping using spatial multiplexing of illumination phase

BS Medower, B Buettgen - US Patent 11,906,628, 2024 - Google Patents
Apparatus for optical sensing includes an illumination assembly, which is configured to
direct a first array of beams of optical radiation toward different, respective areas in a target …

System and method for camera calibration

J Devitt, H Wang, H Wadleigh, Z Flom - US Patent 11,270,467, 2022 - Google Patents
Imaging systems are calibrated at dedicated calibration facilities. Any changes to the
imaging system arrangement (eg, changes in alignment between two or more cameras or …

System and method for correspondence map determination

J Devitt, H Wang, K Azarov - US Patent 11,030,478, 2021 - Google Patents
A system and method for determining a correspondence map between a first and second
image by determining a set of correspondence vectors for each pixel in the first image and …

Depth sensor with interlaced sampling structure

T Oggier, AT Herrington, B Buettgen - US Patent App. 16/914,513, 2021 - Google Patents
BACKGROUND [0003] Various methods are known in the art for optical depth mapping, ie,
generating a three-dimensional (3D) profile of the surface of an object by processing an …

Depth mapping with MPI mitigation using reference illumination pattern

YZ Alnahhas, H Venkataraman - US Patent 11,763,472, 2023 - Google Patents
Apparatus for optical sensing includes an illumination assembly, which directs first optical
radiation toward a target scene over a first range of angles and second optical radiation over …

Global-shutter image sensor with time-of-flight sensing capability

G Agranov, T Oggier - US Patent 11,558,569, 2023 - Google Patents
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR
VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE …

System and method for correspondence map determination

J Devitt, H Wang, K Azarov - US Patent 11,651,581, 2023 - Google Patents
US11651581B2 - System and method for correspondence map determination - Google
Patents US11651581B2 - System and method for correspondence map determination …

System and method for camera calibration using an epipolar constraint

J Devitt, H Wang, H Wadleigh, Z Flom - US Patent 12,106,522, 2024 - Google Patents
A system and/or method for imaging system calibration, including: determining a dense
correspondence map matching features in a first image to features in a second image, and …

System to determine floor or obstacle by autonomous mobile device

M Adcock, S Edwards-parton - US Patent 11,460,854, 2022 - Google Patents
An autonomous mobile device (AMD) moving in a physical space determines the presence
of obstacles using images acquired by a stereocamera and avoids those obstacles. A floor …

System and method for camera calibration

J Devitt, H Wang, H Wadleigh, Z Flom - US Patent 11,869,218, 2024 - Google Patents
A system and/or method for imaging system calibration, including: determining a dense
correspondence map matching features in a first image to features in a second image, and …