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:
Mar. 28, 2023
Filed:
Dec. 21, 2018
SR Labs S.r.l., Milan, IT;
Gianluca Dal Lago, Milan, IT;
Roberto Delfiore, Milan, IT;
SR LABS S.R.L., Milan, IT;
Abstract
A mapping method is disclosed that includes (i) memorizing at least one reference image of an environment to be mapped containing a specific arrangement of a plurality of markers organized in cells; wherein each cell is identified by a marker or by a combination of markers; the plurality of markers comprising at least a number of different types of markers equal to a type-number; (ii) detecting, by a moving video camera, a video sequence wherein the environment to be mapped is, at least in part, framed; (iii) identifying in at least one frame of the video sequence one or more cells being part of the specific arrangement of markers of the reference image; and (iv) calculating, on the basis of the data regarding the identified cells, at least one homography for the perspective transformation of the coordinates acquired in the video sequence into coordinates in the reference image and vice versa.