The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 25, 2020
Filed:
Jan. 10, 2019
Applicant:
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Inventor:
Zhanping Xu, Sunnyvale, CA (US);
Assignee:
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 17/36 (2006.01); G01S 17/89 (2006.01); H04N 5/225 (2006.01); G01S 7/497 (2006.01); H04N 5/235 (2006.01); G01S 7/491 (2006.01); G01S 7/493 (2006.01); G01S 7/4915 (2020.01); G01S 7/4911 (2020.01);
U.S. Cl.
CPC ...
G01S 17/36 (2013.01); G01S 7/493 (2013.01); G01S 7/497 (2013.01); G01S 7/4911 (2013.01); G01S 7/4915 (2013.01); G01S 17/89 (2013.01); H04N 5/2256 (2013.01); H04N 5/2354 (2013.01);
Abstract
A method for determining whether a distance that a CW-TOF range camera provides for a scene is degraded by multipath interference (MPI) comprising operating the camera to determine a propagation phase delay and a phase delay coefficient for each of a plurality of modulation frequencies of light that illuminates the scene and using the phase delay coefficient and/or the phase delay to determine whether a distance provided by the camera is compromised by MPI.