Video encoding and decoding using transforms

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United States of America Patent

PATENT NO 8923406
SERIAL NO

14070804

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Abstract

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Video encoding or decoding utilizing a spatial transform operating on rows and columns of a block, with a set of transform skip modes including: transform on rows and columns; transform on rows only; transform on columns only; no transform. An indication of the selected mode is provided to the decoder. Coefficients are scaled by a factor dependent upon the norm of the transform vector of the skipped transform to bring the untransformed image values to the same level as transformed coefficients.

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Patent Owner(s)

Patent OwnerAddress
BRITISH BROADCASTING CORPORATIONLONDON W1A 1AA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Flynn, David Croydon, GB 224 12159
Gabriellini, Andrea Guilford, GB 5 61
Mrak, Marta London, GB 14 102
Sprljan, Nikola London, GB 3 67

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