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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.:

US 9686515 B1

PDFFull Text
Date of Patent:
Jun. 20, 2017

Filed:

Dec. 09, 2011

Method and apparatus for detecting quality defects in a video bitstream

Applicants:

Martin Pettersson, Vallentuna, SE;

Savvas Argyropoulos, Bonn, DE;

Inventors:

Martin Pettersson, Vallentuna, SE;

Savvas Argyropoulos, Bonn, DE;

Assignee:

TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;

Attorney:

Rothwell, Figg, Ernst & Manbeck, P.C.

Primary Examiner:

Hung Dang

Int. Cl.
CPC ...
H04N 5/94 (2006.01); H04N 9/88 (2006.01); H04N 9/80 (2006.01); H04N 7/64 (2006.01); H04N 17/00 (2006.01); H04N 21/44 (2011.01); H04N 19/89 (2014.01);
U.S. Cl.
CPC ...
H04N 7/64 (2013.01); H04N 17/004 (2013.01); H04N 19/89 (2014.11); H04N 21/44008 (2013.01);
Abstract

There is provided an apparatus for detecting a quality defect in a video sequence, the apparatus comprising: a receiver arranged to receive a video bitstream representing a video sequence; and a defect module arranged to determine a measure of quantization parameter for each picture of the video sequence, the defect module further arranged to identify a quality defect when an abrupt change in the measure of quantization parameter occurs.

Find Patent Forward Citations

Pettersson, Martin. (2017). Method and apparatus for detecting quality defects in a video bitstream (U.S. Patent No. 9686515). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9686515

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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