• Jean-Marc Valin's avatar
    Adds the Daala deringing filter as experimental · 51b7a998
    Jean-Marc Valin authored
    The deringing filter documentation is in:
    J.-M. Valin, The Daala Directional Deringing Filter, arXiv:1602.05975 [cs.MM],
    2016.
    http://arxiv.org/pdf/1602.05975.pdf
    
    ntt-short1 results:
              MEDIUM (%) HIGH (%)
        PSNR  -2.488088 -2.003235
     PSNRHVS  -1.588932 -0.797850
        SSIM  -1.522767 -1.287861
    FASTSSIM   4.307822  3.983496
    
    subset1 improvement is around 2-3% on PSNR (but the rate is mostly outside
    the AWCY testing range)
    
    Change-Id: Ic02344ce9faa509f5c3a50a0fb7a7b84a7977e72
    51b7a998