Method and system for picture segmentation using columns

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United States of America Patent

PATENT NO 11949878
APP PUB NO 20230242954A1
SERIAL NO

18097019

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Abstract

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Described is picture segmentation through columns and slices in video encoding and decoding. A video picture is divided into a plurality of columns, each column covering only a part of the video picture in a horizontal dimension. All coded tree blocks (“CTBs”) belonging to a slice may belong to one or more columns. The columns may be used to break the same or different prediction or in-loop filtering mechanisms of the video coding, and the CTB scan order used for encoding and/or decoding may be local to a column. Column widths may be indicated in a parameter set and/or may be adjusted at the slice level. At the decoder, column width may be parsed from the bitstream, and slice decoding may occur in one or more columns.

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Patent Owner(s)

  • DOLBY LABORATORIES LICENSING CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horowitz, Michael Austin, US 80 1142

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