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.

Date of Patent:
Aug. 01, 2017

Filed:

Nov. 24, 2014
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Jörgen Gustafsson, Luleå, SE;

David Lindegren, Luleå, SE;

Martin Pettersson, Vallentuna, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/12 (2006.01); H04N 11/02 (2006.01); H04N 11/04 (2006.01); H04N 19/66 (2014.01); H04N 17/00 (2006.01); H04N 19/159 (2014.01); H04N 19/46 (2014.01); H04N 19/154 (2014.01); H04N 19/89 (2014.01); H04N 19/513 (2014.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04N 19/66 (2014.11); H04L 43/0835 (2013.01); H04N 17/004 (2013.01); H04N 19/154 (2014.11); H04N 19/159 (2014.11); H04N 19/46 (2014.11); H04N 19/521 (2014.11); H04N 19/89 (2014.11);
Abstract

Hence a method is provided for determining a quality value of a video stream, comprising the steps of: identifying lost data packets of the video stream; identifying at least two intra coded frames of the video stream; determining intra coded frames having a maintained image quality, based on estimating if a lost data packet is associated with an intra coded frame; estimating a distance between each one of the lost data packets and a next respective, subsequent intra coded frame having a maintained image quality; and generating the quality value, based on the distances. A system and a computer readable medium are also described.


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