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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Signal Process Image Commun. 2020 Feb 20;84:115812. doi: 10.1016/j.image.2020.115812

Table 4:

Bitrate and PSNR Statistics - Grayscale Images.

Bitrate (bpp)
Encoder Mean Maximum Minimum
Lossless Encoding + RCT + Reversible 5/3 3.51 5.15 1.80
VT Encoding + RCT + Reversible 5/3 1.12 1.98 0.36
VT Encoding + ICT + Irreversible 9/7 0.92 2.03 0.13
VT Encoding + ICT + Irreversible 5/3 0.87 1.99 0.12
PSNR (dB)
Encoder Mean Maximum Minimum
Lossless Encoding + RCT + reversible 5/3 ∞ ∞ ∞
VT Encoding + RCT + reversible 5/3 40.39 45.39 35.92
VT Encoding + ICT + irreversible 9/7 42.56 47.20 40.47
VT Encoding + ICT + irreversible 5/3 41.72 46.64 39.16