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:
Mar. 20, 2018

Filed:

Aug. 29, 2016
Applicant:

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

Inventors:

Arnold Irschara, Graz, AT;

Gerald Schweighofer, GrossSteinbach, AT;

Konrad Karner, Raaba, AT;

Richard Ladstädter, Graz, AT;

Martin Ponticelli, Graz, AT;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2017.01); G01S 17/02 (2006.01); G01S 7/497 (2006.01); H04N 13/00 (2006.01); H04N 5/232 (2006.01); G06T 3/00 (2006.01); G01S 17/42 (2006.01);
U.S. Cl.
CPC ...
G06T 7/0018 (2013.01); G01S 7/4972 (2013.01); G01S 17/023 (2013.01); G01S 17/42 (2013.01); G06T 3/00 (2013.01); G06T 7/00 (2013.01); H04N 5/23238 (2013.01); H04N 13/004 (2013.01);
Abstract

Mobile platforms are used to capture an area using a variety of sensors (e.g., cameras and laser scanners) while traveling through the area, in order to create a representation (e.g., a navigable set of panoramic images, or a three-dimensional reconstruction). However, such sensors are often precisely calibrated in a controlled setting, and miscalibration during travel (e.g., due to a physical jolt) may result in a corruption of data and/or a recalibration that leaves the platform out of service for an extended duration. Presented herein are techniques for verifying sensor calibration during travel. Such techniques involve the identification of a sensor path for each sensor over time (e.g., a laser scanner path, a camera path, and a location sensor path) and a comparison of the paths, optionally after registration with a static coordinate system, to verify that the continued calibration of the sensors during the mobile operation of the platform.


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