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:
May. 05, 2015
Filed:
Oct. 07, 2011
Frederic Garcia Becerro, Palafrugell, ES;
Bruno Mirbach, Konz, DE;
Frederic Garcia Becerro, Palafrugell, ES;
Bruno Mirbach, Konz, DE;
IEE International Electronics & Engineering S.A., Luxembourg, LU;
Abstract
A method for matching the pixels (--) of a first range image of a scene () as seen from a first point of sight () with pixels (--) of a second range image of the scene as seen from a second point of sight () comprises the following steps: providing the first range image as a grid of source pixels (), on which the scene is mapped in accordance with a first projection associated with the first point of sight, wherein each source pixel has a point in the scene projected thereon in accordance with the first projection and has associated therewith a range value determined for that point in the scene; providing a grid of target pixels () for the second range image and a second projection associated with the second point of sight; and for each one of the target pixels, a) determining which source pixel would have the same point (P, P) in the scene projected thereon in accordance with the first projection as the target pixel would have projected thereon in accordance with the second projection if the imaged scene were a planar surface at a certain surface distance from the first point of sight; b) determining a depth coordinate of the point in the scene that the source pixel determined in step a) actually has projected thereon in accordance with the first projection; c) if the depth coordinate is greater than a threshold, which is itself greater than the surface distance, repeating steps a), b) and c) with an increased surface distance at step a) and an increased threshold at step c), and else associating the target pixel with the source pixel determined in step a).