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:
Sep. 12, 2017
Filed:
Nov. 25, 2013
Alcatel Lucent, Boulogne Billancourt, FR;
Mihai Fagadar-Cosma, Antwerp, BE;
Paul Henrys D'Aubigny D'Esmyards, Borgerhout, BE;
Alcatel Lucent, Boulogne-Billancourt, FR;
Abstract
A video conferencing server () receives and combines video streams captured by cameras of plural video clients () and generates immersive video streams () for delivery to and play-out by these video clients (). A cut-out module () in the video conferencing server () generates a foreground mask () for a video frame () received from a conferencing client (). A camera shake detector () determines a displacement vector () for a subset of features in the video frame (). The displacement vector () represents a two-dimensional motion of the subset of features between a background mask and a previous background mask for a previous video frame received from the same conferencing client (). A camera shake correcting module () applies a displacement opposite to the displacement vector () to the foreground mask () before use thereof in the immersive video streams () for conferencing clients (), and a signalling unit () generates a shake indication () into the immersive video stream () delivered to the conferencing client () whose camera is shaking.