• Joe Young's avatar
    [intra-edge] Use 5-tap filter · 3be70f72
    Joe Young authored
    For intra edge filtering experiment, replace the 2x iteration
    (5-6-5) filter with a 5-tap filter (2-4-4-4-2).
    
    BDrate (1 key-frame) for this change:
    cif:    +0.02%
    midres: +0.04
    720p:   -0.01
    1080p:  -0.03
    4k:     -0.01
    
    BDrate (1 key-frame) for intra-edge experiment:
    (05/31, disable rect-tx, ext-tx, delta-q, ext-delta-q)
    
              1 key-frame     60 frames
             PSNR   SSIM     PSNR  SSIM
    cif:    -0.02   -0.01   -0.03  -0.01
    midres: -0.02   -0.02   -0.05  -0.10
    720p:   -0.36   -0.39   -0.05  -0.06
    1080p:  -0.75   -0.88   -0.22  -0.27
    4k:     -0.91   -1.12   -0.45  -0.54
    
    Change-Id: I834037e662b4483d4d6bdceb1c1624d56ba293a4
    3be70f72
reconintra.c 97.8 KB