HEVC, SHVC and RExt use cases (requirements related) (3)
See also section 7.1.
14.1.97.1.1.1.1.1.111JCTVC-P0159 High Dynamic Range video coding [S. Lasserre, F. Le Leannec, E. François (Technicolor)] [late]
This contribution presents an HDR video coding scheme. The proposal aims at offering high compression performance while enabling re-using legacy lower bit-depth decoders (e.g. AVC 8-bit, HEVC 8- or 10-bit). It is reported that the design, while being fully generic, can be configured to guarantee backward compatibility with lower dynamic range devices (decoders and displays) and to be directly adapted to existing LCD-LED HDR display technologies. This adaptation is also presented. Finally preliminary coding results are provided, comparing performance of the proposed scheme to a coding chain based on prior global quantization of the HDR signal.
14.1.97.1.1.1.1.1.112JCTVC-P0080 HDR coding results for FruitStall and Oblivion [B. Mandel (Universal), C. Fogg (Harmonic), J. Helman (Movielabs)]
Various HEVC HM encoding parameters tuned for the High Dynamic Range (HDR) test content clips "FruitStall" (submitted by Sony at the previous JCT meeting) and Universal Picture's "Oblivion" are compared in this study. The "PQ" non-linear curve, now documented as SMPTE ST.2084, serves as the EOTF. Both YDzDx (SMPTE ST.2085) and YCC (ITU-R Rec. 2020) are tested at 12-bit precision. Results reportedly show that the R-D behaviour of both color spaces are very similar.
14.1.97.1.1.1.1.1.113JCTVC-P0162 On 16-bit coding [A. Aminlou, K. Ugur (Nokia)] [late]
This contribution proposes additional results on separating the 16-bit video into two lower bit depth sources (e.g. 8 bits) and coding those separately for lossless operation. It is asserted that this method improves the coding efficiency of 16-bit lossless operation and also provides backwards compatibility.
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