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Luc Trudeau authored
When computing alpha, multiple averages are computed, one for each transform block. The CfL prediction now uses the transform block average instead of partition block average. This allows the decoder to build the CfL prediction by using only the collocated reconstructed luma values for the current transform size and not the entire partition. Results on Subset 1 (Compared to 0e81b97c with CfL) PSNR | PSNR Cb | PSNR Cr | PSNR HVS | SSIM | MS SSIM | CIEDE 2000 0.0180 | 0.2627 | 0.2274 | 0.0233 | 0.0301 | 0.0312 | 0.1506 A small regression is expected, this change was made to simplify hardware implementations. Change-Id: Ib2ce2a3053b85300c5c62ef0e3270af489568a38
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