International Journal of Digital Multimedia Broadcasting / 2012 / Article / Tab 1

Research Article

Towards an Automatic Parameter-Tuning Framework for Cost Optimization on Video Encoding Cloud

Table 1

PSNR versus CRF (foreman).

Foreman crf = 20 crf = 23 crf = 26
PSNR mean Deviation (%) PSNR mean Deviation (%) PSRN mean Deviation (%)

B-frame 40.38 0.51 38.60 0.09 36.88 0.33
Ref 40.45 0.79 38.73 1.08 37.03 1.21
Subme 40.05 2.6 38.25 3.01 36.49 3.26
Trellis 40.22 0.73 38.46 0.71 36.74 0.77

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