Patents Assigned to Deutsche Telekom AB
  • METHOD AND APPARATUS FOR DETECTING QUALITY DEFECTS IN A VIDEO BITSTREAM
    Publication number: 20180020242
    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.
    Type: Application
    Filed: May 31, 2017
    Publication date: January 18, 2018
    Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Deutsche Telekom AB
    Inventors: Martin PETTERSSON, Savvas ARGYROPOULOS
  • METHOD AND APPARATUS FOR DETECTING QUALITY DEFECTS IN A VIDEO BITSTREAM
    Publication number: 20140294362
    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.
    Type: Application
    Filed: December 9, 2011
    Publication date: October 2, 2014
    Applicants: Telefonaktiebolaget L M Ericsson (PUBL), Deutsche Telekom AB
    Inventors: Martin Pettersson, Savvas Argyropoulos