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.

Date of Patent:
Feb. 21, 2017

Filed:

Oct. 22, 2014
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Michael Anthony Hall, Bellevue, WA (US);

Mirko Schmidt, San Francisco, CA (US);

Travis Perry, Menlo Park, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 13/02 (2006.01); G01S 17/10 (2006.01); G01S 17/36 (2006.01); G01S 17/89 (2006.01); G01S 7/491 (2006.01); G01S 7/497 (2006.01); G06F 3/01 (2006.01); G06T 7/00 (2006.01); H04N 5/225 (2006.01); G01S 7/00 (2006.01); G01S 7/481 (2006.01);
U.S. Cl.
CPC ...
H04N 13/0246 (2013.01); G01S 7/497 (2013.01); G01S 7/4915 (2013.01); G01S 17/10 (2013.01); G01S 17/36 (2013.01); G01S 17/89 (2013.01); G06F 3/017 (2013.01); G06T 7/002 (2013.01); H04N 5/2256 (2013.01); G01S 7/003 (2013.01); G01S 7/4815 (2013.01);
Abstract

A method for operating a time of flight (TOF) depth camera is provided. The method includes, using an image processing module, interpolating an updated timing delay calibration for each of a plurality of pixel sensors based at least on an updated set of modulation frequency and duty cycle calibration combinations received by the image processing module, the plurality of pixel sensors coupled to a timing clock, and receiving light generated by a light source and reflected in a 3-dimensional environment, the updated set of modulation frequency and duty cycle calibration combinations replacing the corresponding factory-preloaded timing delay calibrations. The method further includes applying the updated timing delay calibrations to pixel data corresponding to each of the plurality of the pixel sensors to generate a depth map of the 3-dimensional environment.


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