• Yunqing Wang's avatar
    Do sub-pixel motion search in up-sampled reference frames · e02752b0
    Yunqing Wang authored
    Up-sampled the reference frames to 8 times in each dimension using the
    8-tap interpolation filter. In sub-pixel motion search, use the up-sampled
    reference frames to find the best matching blocks to increase the motion
    search precision. This is enabled as a speed feature for speed 0 and
    speed 1, and this is encoder-only improvement.
    
    Overall PSNR: -1.456%(lowres); -0.430(hdres)
    SSIM: -1.687(lowres); -0.551(hdres)
    
    Change-Id: I2085d87e41f6b91d0221dc11dc7ffd003075ba2e
    e02752b0
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