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  • Jingning Han's avatar
    Rework base range entropy coding in level map system · 87b01b5a
    Jingning Han authored
    Replace the truncated geometric distribution model with the grouped
    leaves structure for more efficient probability modeling.
    Each group has its own Geometric distribution
    This give us 0.2% gain on lowres
    Change-Id: If5c73dd429bd5183a8aa81042f8f56937b1d8a6a