Opened 9 years ago

Closed 9 years ago

#309 closed defect (fixed)

Typo in weighted prediction

Reported by: bbross Owned by: bbross
Priority: minor Milestone: WD6
Component: Text Version: WD5 (G1103) d9
Keywords: Cc: bbross, wjhan, jct-vc@…

Description

8.4.2.2.3.2 Weighted sample prediction process

– Otherwise (C is equal to Cb or Cr for chroma samples, with iCbCr = 0 for Cb, iCbCr = 1 for Cr),
logWDc = ChromaLog2WeightDenom + shift1 (8‑209)
w0C = ChromaWeightL0[refIdxL0][ iCbCr ] (8‑210)
w1C = ChromaWeightL1[refIdxL1][ iCbCr ] (8‑211)
o0C = ChromaWeightL0[refIdxL0][ iCbCr ] * ( 1 << ( BitDepthC – 8 ) ) (8‑212)
o1C = ChromaOffsetL1[refIdxL1][ iCbCr ] * ( 1 << ( BitDepthC – 8 ) ) (8‑213)

This should be modified as follows:
– Otherwise (C is equal to Cb or Cr for chroma samples, with iCbCr = 0 for Cb, iCbCr = 1 for Cr),
logWDc = ChromaLog2WeightDenom + shift1 (8‑209)
w0C = ChromaWeightL0[refIdxL0][ iCbCr ] (8‑210)
w1C = ChromaWeightL1[refIdxL1][ iCbCr ] (8‑211)
o0C = ChromaOffsetL0[refIdxL0][ iCbCr ] * ( 1 << ( BitDepthC – 8 ) ) (8‑212)
o1C = ChromaOffsetL1[refIdxL1][ iCbCr ] * ( 1 << ( BitDepthC – 8 ) ) (8‑213)

Change History (2)

comment:1 Changed 9 years ago by DefaultCC Plugin

  • Cc bbross wjhan jct-vc@… added

comment:2 Changed 9 years ago by wjhan

  • Resolution set to fixed
  • Status changed from new to closed
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  • Benjamin Bross(Reporter, Owner, Subscriber)
  • jct-vc@…(Subscriber)
  • karl.sharman@…(Always)
  • Karsten Suehring(Always)
  • Woo-Jin Han(Subscriber, Participant)