Method and apparatus for detecting quality defects in a video bitstream

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United States of America Patent

PATENT NO 9686515
SERIAL NO

14363607

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

  • DEUTSCHE TELEKOM AG;TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Argyropoulos, Savvas Bonn, DE 11 91
Pettersson, Martin Vallentuna, SE 104 537

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