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13th Meeting: Marrakech, January 2019 2019-01-18 11:14
CE7-related: Modified dequantization scaling
Authors: Karl Sharman Sony Steve Keating Sony
Abstract
In VVC WD3, when the size of a transform block is not a power of 4, the transform coefficients are modified by a √2 factor, to compensate for an implicit scaling by the transform process.
Meeting Notes
JVET-M0119 CE7-related: Modified dequantization scaling [K. Sharman, S. Keating (Sony)]
References:
JVET-K1010 JVET-L0095
Cited:
JVET-M0027 X JVET-M1001 JVET-N0002 JVET-N0003 JVET-N0075 JVET-N0076 JVET-N0077 JVET-N0078 JVET-N0079 JVET-N0081 JVET-N0085 JVET-N0086 JVET-N0088 JVET-N0097 JVET-N0116 JVET-N0121 JVET-N0123 JVET-N0127 JVET-N0129 JVET-N0134 more than 20
PATENTS:
KR101817272B1 0.34 2018-01-10 TWI479895B 0.32 2015-04-01 JP5206706B2 0.30 2013-06-12 CN107105239A 0.28 2017-08-29 CN111901603B 0.26 2023-06-02 CN113973207A 0.24 2022-01-25 KR101054644B1 0.22 2011-08-08 JP3380981B2 0.20 2003-02-24
ARCHIVE v2 :
JVET-M0119.docx JVET-M0119.pptx JVET-M0119_DraftText_TransformSkipModOnly.docx JVET-M0119_TransformSkipModOnly_on_VTM3p0.patch qpmod_vtm3.0.patch Spreadsheet_VTM3.0_QPAdjustForNonSqBlocks_vs_VTM3.0_VTM-JVET-K1010_Benchmark.xlsm Spreadsheet_VTM3.0_TransformSkipModOnly_vs_VTM3.0_VTM-JVET-K1010_Benchmark.xlsm
Decisions
JVET-M0119 CE7-related: Modified dequantization scaling [K. Sharman, S. Keating (Sony)]
Citation