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Table 2 Y-rate-distortion gains of three coding methods over HEVC

From: Scalable kernel-based minimum mean square error estimate for light-field image compression

Images HEVC-SCC K-MMSE SK-MMSE
BD-PSNR
(dB)
BD rate
(%)
BD-PSNR
(dB)
BD rate
(%)
BD-PSNR
(dB)
BD rate
(%)
Fredo 2.73 − 40.40 3.11 − 43.07 3.52 −  48.59
Jeff 1.58 − 24.22 2.31 − 32.92 2.47 − 35.76
Sergio 2.36 − 32.99 2.94 − 38.61 3.18 − 41.99
Zhengyun1 1.70 − 29.56 2.24 − 36.24 2.41 − 39.63
I01_LF 0.47 − 10.34 0.64 − 13.94 0.77 − 16.60
I02_LF 0.36 − 8.56 0.43 − 10.07 0.59 − 13.56
I03_LF 0.13 − 3.02 0.17 − 4.04 0.23 − 5.42
I05_LF 0.55 − 16.41 0.89 − 26.03 1.00 − 29.72
I07_LF 0.65 − 17.07 0.64 − 17.07 0.83 − 21.72
I09_LF 1.26 − 24.30 2.03 − 36.63 2.13 − 38.40
I10_LF 0.17 − 5.92 0.28 − 9.90 0.31 − 10.73
I12_LF 0.97 − 26.52 1.55 − 40.00 1.72 − 44.14
Average 1.08 − 19.94 1.44 − 25.71 1.61 − 28.85