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:
Dec. 02, 2025
Filed:
Apr. 01, 2025
Applicant:
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Jonathan Pfaff, Berlin, DE;
Tobias Hinz, Berlin, DE;
Karsten Suehring, Berlin, DE;
Heiko Schwarz, Berlin, DE;
Detlev Marpe, Berlin, DE;
Thomas Wiegand, Berlin, DE;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/70 (2014.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04N 19/13 (2014.01); H04N 19/18 (2014.01);
U.S. Cl.
CPC ...
H04N 19/70 (2014.11); H04L 9/0825 (2013.01); H04L 9/3236 (2013.01); H04L 9/3247 (2013.01); H04N 19/13 (2014.11); H04N 19/18 (2014.11);
Abstract
A method for checking a video data stream having a video encoded thereinto on trustworthiness comprises: subjecting a predetermined portion of the video data stream, or data derived therefrom, to a hash function to obtain a hash value; deriving a digital signature from the video data stream; and checking whether the hash value fits to the digital signature to determine whether the video data stream is trustworthy.