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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
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