Concept for picture/video data streams allowing efficient reducibility or efficient random access

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United States of America Patent

PATENT NO 11770546
SERIAL NO

17122753

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Abstract

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A video data stream is rendered reducible in a manner so that the reduction leads to a restriction of pictures of the reduced video data stream to merely a predetermined subarea of the pictures of the original video data stream and in a manner so that transcoding, such as re-quantization, may be avoided and a conformance of the reduced video data stream relative to the codec underlying the original video data stream be maintained. This is achieved by providing the video data stream with information including an indication of the predetermined subarea and replacement indices for redirecting the indices included by the payload portion so as to refer to, and/or replacement parameters for adjusting the first set of coding parameter settings so as to result in, a second set of coding parameter settings.

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Patent Owner(s)

  • FRAUNHOFER - GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grüneberg, Karsten Berlin, DE 15 104
Hellge, Cornelius Berlin, DE 214 738
Sánchez, De La Fuente Yago Berlin, DE 97 144
Schierl, Thomas Berlin, DE 285 1457
Skupin, Robert Berlin, DE 140 637
Wiegand, Thomas Berlin, DE 552 8766

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