Commit dc857d1b authored by Committed by Tim Terriberry
daala_tx: New flattened 4-point Type-IV asym DST.
This 4-point Type-IV asymmetric DST uses the same computation graph as the 4-point Type-IV DST. This change improves the accuracy of the 8-point Type-II DCT: Old MSE: 1.8927096972341813413041010372151e-06 New MSE: 1.7946367518072710517065436117146e-06 subset-1: new_dst4@2017-12-04T06:31:41.096Z -> new_dst4a@2017-12-04T06:32:22.698Z PSNR | PSNR Cb | PSNR Cr | PSNR HVS | SSIM | MS SSIM | CIEDE 2000 -0.0143 | 0.0410 | -0.2166 | -0.0556 | -0.0379 | -0.0461 | -0.0002 Change-Id: Ifde11fca987220130c1657306b0df34ec2f3fe25
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