Opened 10 years ago

Closed 10 years ago

#1218 closed defect (fixed)

Redundant inverse transform in Intra blocks

Reported by: lenchik Owned by:
Priority: minor Milestone: HM+RExt-4.2
Component: HM RExt Version: RExt-4.1 (HM-12.0)
Keywords: invtransformNxN Cc: davidf, karlsharman, jct-vc@…


In Intra blocks decoder executes redundant inverse transform when cbf is 0.
Decoder run time for HM-12.1+RExt-5.0.1 reduces by 15% in all-intra lossy test if redundant inverse transform is skipped.

Attachments (1)

Skip_invTransformNxN_if_cbf_0_in_Intra_blocks_HM12.1_RExt_5.0.1 (641 bytes) - added by lenchik 10 years ago.

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Change History (3)

comment:1 Changed 10 years ago by DefaultCC Plugin

  • Cc davidf karlsharman jct-vc@… added

comment:2 Changed 10 years ago by karlsharman

  • Resolution set to fixed
  • Status changed from new to closed

Fixed in #3803 due to fix in HM.

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  • David Flynn(Subscriber)
  • Elena Alshina(Reporter)
  • jct-vc@…(Subscriber)
  • Karl Sharman(Subscriber, Participant)
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  • Karsten Suehring(Always)