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4th Meeting: Chengdu, October 2016 2016-10-17 14:21
Cross-check of JVET-D0098 Decoupling decoder-side intra mode derivation from entropy decoding
Abstract
This contribution reports an evaluation of JVET-D0098 (EE8-related: Decoupling decoder-side intra mode derivation from entropy decoding). The performance of the proposal is assessed in terms of runtime and BD-rate. In addition, the source code is analyzed to highlight the proposed changes. The evaluation results presented in this contribution are reported to match those of the proponent.
JVET-D0165 Cross-check of JVET-D0098 Decoupling decoder-side intra mode derivation from entropy decoding [Alexey Filippov, Vasily Rufitskiy, Haitao Yang (Huawei)] [late]

EE9: Adaptive Scaling for Extended Colour Volume (2)

Primary (2)

From summary report JVET-D0010:

This experiment studies an alternative to the residual scaling proposed in JVET-B0054. The motivation in JVET-B0054 is to remove the overhead of delta QP that is signalled by the encoder to compensate for the reshaping of quantization noise as a function of brightness in next generation containers such as ST 2084.

Questions recommended to be answered during EE tests:

[Q]: What is performance of JVET-C0066, JVET-C0095 and JVET-C0102 using the content and test conditions provided by the AhG 7 on JEM coding of extended colour material with:

  • Results reported with the weighted BD-Rate and BD-PSNR metrics, where the weighting corresponds to the target luma-to-QP mapping function.
  • Results reported with BD-Rate and BD-PSNR for the tPNSRY and deltaE metrics, where the metrics are computed from linear RGB
  • Results reported for visual quality assessment

[A]: Only partial data available.

[Q]: What is the benefit of combining different aspects of the JVET-C0066, JVET-C0095 and JVET-C0102?

[A]: Not answered yet.

Conclusion from EE summary: The test procedure should be agreed first. AhG7 was discussing testing procedure.

BoG (coordinated by A. Segall) recommendation: Review EE results, and agree conversion method and test procedure

See further discussion under JVET-D0192: Both proposals are to be further investigated in new EE6.

Decisions
See further discussion under JVET-D0192: Both proposals are to be further investigated in new EE6.
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