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:
Apr. 25, 2017

Filed:

Sep. 25, 2015
Applicant:

Siemens Healthcare Gmbh, Erlangen, DE;

Inventors:

Kai Ma, Plainsboro, NJ (US);

Yao-jen Chang, Princeton, NJ (US);

Vivek Kumar Singh, Monmouth, NJ (US);

Thomas O'Donnell, New York, NY (US);

Michael Wels, Bamberg, DE;

Tobias Betz, Fuerth, DE;

Andreas Wimmer, Forchheim, DE;

Terrence Chen, Princeton, NJ (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06T 7/00 (2017.01); G06T 11/00 (2006.01);
U.S. Cl.
CPC ...
G06T 7/0018 (2013.01); G06T 11/005 (2013.01); G06T 2207/30208 (2013.01);
Abstract

A computer-implemented method for automatically calibrating an RGB-D sensor and an imaging device using a transformation matrix includes using a medical image scanner to acquire a first dataset representative of an apparatus attached to a downward facing surface of a patient table, wherein corners of the apparatus are located at a plurality of corner locations. The plurality of corner locations are identified based on the first dataset and the RGB-D sensor is used to acquire a second dataset representative of a plurality of calibration markers displayed on an upward facing surface of the patient table at the corner locations. A plurality of calibration marker locations are identified based on the second dataset and the transformation matrix is generated by aligning the first dataset and the second dataset using the plurality of corner locations and the plurality of calibration marker locations. Then, a translation is added to the transformation matrix corresponding to a maximum height associated with the apparatus.


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