Signalling of metadata for volumetric video

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United States of America Patent

PATENT NO 11823421
APP PUB NO 20200294271A1
SERIAL NO

16815976

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Abstract

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A method, apparatus, and computer program product provide for compression of volumetric video in a manner that is more efficient and requires less metadata updates. A method can include converting a volumetric video scene into a canonical representation comprising a plurality of frames comprising a video atlas and corresponding metadata. Each frame can be divided into a plurality of tiles based on different tile characteristics, which can be used to analyze and characterize the different tiles for atlas packing purposes. Tiles can be clipped or merged or otherwise edited in the atlas. Tiles can be decomposed to metadata suitable for later rendering of the tile. Tiles having a similar enough color attribute or depth attribute during the entire group of photos can be rendered as a single instance, clipped entirely, and rendered based upon a reference tile and the stored metadata.

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Patent Owner(s)

  • NOKIA TECHNOLOGIES OY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iiola, Lauri Tampere, FI 1 0
Keränen, Jaakko Helsinki, FI 8 504
Malamal, Vadakital Vinod Kumar Tampere, FI 22 229
Pesonen, Mika Tampere, FI 24 289
Roimela, Kimmo Tampere, FI 31 323

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