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Yunqing Wang authored
This CL follows the original one"Sample selection in warped motion", and aims to reduce the number of samples gathered. We only search 1 above row and 1 left column instead of 1/2 bsize range in each direction. The gain is a little less, but not much. Borg test result: avg_psnr ovr_psnr ssim cam_lowres: -0.225 -0.228 -0.231 lowres: -0.081 -0.075 -0.114 The changes are wrapped in WARPED_MOTION_SORT_SAMPLES macro. Change-Id: Ifb499c80470b2ffe7a40f68fc401589faada7730
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