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:
Jan. 05, 2016
Filed:
Oct. 22, 2013
Thomson Licensing, Issy de Moulineaux, FR;
Yves Maetz, Melesse, FR;
Marc Eluard, Saint-Malo, FR;
THOMSON LICENSING, Issy les Moulineaux, FR;
Abstract
The graphical characteristics of 3D graphical objects encrypted using format-preserving encryption makes rendering of such objects quite inefficient by non-authorized devices. To optimize the rendering of a three-dimensional graphical object represented by a list of points and a list of surfaces defined by points in the list of points, a device receives the graphical object; encrypts the graphical object using a format-preserving encryption method to obtain an encrypted graphical object; encapsulates the encrypted graphical object to obtain an encapsulated graphical object by adding at least one encapsulation by adding for each encapsulation, to the list of surfaces, a plurality of surfaces that together enclose the encrypted graphical object and, in an embodiment, at least one point to the list of points; and outputs the encapsulated graphical object. Decryption is performed by essentially reversing the encryption.