Transposing a block of transform coefficients, based upon an intra-prediction mode

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United States of America Patent

PATENT NO 9813737
SERIAL NO

14031436

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Abstract

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Methods and devices for video coding are described. If an intra-prediction mode to be used in encoding a block of residual data is in a specific predetermined class, e.g., the horizontal class, then at least a portion of a quantized transformed block of residual data is transposed during encoding. Likewise, if an intra-prediction mode that was used to generate an encoded block of residual data is in such a class, then at least a portion of an entropy-decoded block of residual data is transposed during decoding.

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Patent Owner(s)

  • BLACKBERRY LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
He, Dake Waterloo, CA 210 2164
Ji, Tianying Toronto, CA 32 297
Wang, Jing Waterloo, CA 1500 11205
Wang, Xiaofeng Markham, CA 171 928

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