band / grain in L* (lower is better), each eye model; then in JND (the generous model in vis.py, and its dark variant): the grain, the shimmer at 60 fps and at 30 fps paint full, pixel ratio 2 scene dither one frame box 2 box 4 decay 40 ms decay 80 ms JND: grain shimmer 60 30 | dark: grain 60 30 glow still 0.006 0.013 0.006 0.013 0.006 0.013 0.006 0.013 0.006 0.013 2.88 0.00 0.00 | 2.88 0.00 0.00 glow half 0.007 0.013 0.005 0.009 0.005 0.009 0.005 0.010 0.005 0.009 1.97 0.40 1.78 | 1.97 0.05 0.84 glow golden 0.007 0.013 0.005 0.010 0.004 0.007 0.004 0.006 0.003 0.004 0.56 2.12 2.79 | 0.56 1.57 2.42 glow ign5588 0.007 0.013 0.005 0.009 0.004 0.006 0.004 0.006 0.003 0.004 0.56 2.16 2.78 | 0.56 1.50 2.43 faint still 0.004 0.008 0.004 0.008 0.004 0.008 0.004 0.008 0.004 0.008 5.58 0.00 0.00 | 5.58 0.00 0.00 faint half 0.005 0.008 0.003 0.006 0.003 0.006 0.003 0.006 0.003 0.006 4.04 0.73 3.27 | 4.04 0.09 1.53 faint golden 0.005 0.008 0.004 0.006 0.003 0.004 0.003 0.004 0.003 0.003 1.30 4.11 5.35 | 1.30 2.90 4.70 faint ign5588 0.005 0.008 0.004 0.006 0.003 0.004 0.003 0.004 0.003 0.003 1.30 4.27 5.35 | 1.30 2.90 4.77 stack still 0.012 0.020 0.012 0.020 0.012 0.020 0.012 0.020 0.012 0.020 2.08 0.00 0.00 | 2.08 0.00 0.00 stack half 0.012 0.020 0.009 0.014 0.009 0.014 0.009 0.014 0.009 0.014 1.53 0.27 1.19 | 1.53 0.03 0.56 stack golden 0.012 0.020 0.008 0.015 0.006 0.010 0.005 0.009 0.004 0.006 0.28 1.48 2.00 | 0.28 1.13 1.68 stack ign5588 0.012 0.020 0.008 0.014 0.005 0.009 0.005 0.008 0.004 0.006 0.28 1.50 2.01 | 0.28 1.06 1.71 ring still 0.012 0.037 0.012 0.037 0.012 0.037 0.012 0.037 0.012 0.037 7.09 0.00 0.00 | 7.09 0.00 0.00 ring half 0.011 0.037 0.006 0.021 0.006 0.021 0.006 0.022 0.006 0.021 5.13 0.92 4.11 | 5.13 0.12 1.93 ring golden 0.012 0.036 0.007 0.022 0.005 0.015 0.004 0.013 0.003 0.009 1.56 5.23 6.81 | 1.56 3.66 5.98 ring ign5588 0.011 0.036 0.007 0.021 0.004 0.013 0.004 0.013 0.003 0.009 1.57 5.41 6.80 | 1.57 3.66 6.05 paint off, pixel ratio 2 scene dither one frame box 2 box 4 decay 40 ms decay 80 ms JND: grain shimmer 60 30 | dark: grain 60 30 glow still 0.074 0.036 0.074 0.036 0.074 0.036 0.074 0.036 0.074 0.036 10.61 0.00 0.00 | 10.61 0.00 0.00 glow half 0.074 0.036 0.074 0.026 0.074 0.026 0.074 0.027 0.074 0.027 8.31 1.24 5.56 | 8.31 0.16 2.61 glow golden 0.074 0.036 0.073 0.028 0.073 0.021 0.073 0.018 0.073 0.014 5.55 6.91 8.87 | 5.55 5.11 7.80 glow ign5588 0.074 0.036 0.073 0.026 0.073 0.018 0.073 0.017 0.073 0.014 5.54 7.07 8.86 | 5.54 4.83 7.87 faint still 0.087 0.021 0.087 0.021 0.087 0.021 0.087 0.021 0.087 0.021 23.73 0.00 0.00 | 23.73 0.00 0.00 faint half 0.087 0.021 0.087 0.014 0.087 0.014 0.087 0.015 0.087 0.014 20.35 2.31 10.31 | 20.35 0.30 4.84 faint golden 0.087 0.020 0.087 0.016 0.087 0.012 0.087 0.011 0.087 0.009 17.11 12.28 16.09 | 17.11 8.93 14.00 faint ign5588 0.087 0.020 0.087 0.014 0.087 0.010 0.087 0.010 0.087 0.008 17.09 12.70 16.13 | 17.09 8.53 14.23 stack still 0.069 0.067 0.069 0.067 0.069 0.067 0.069 0.067 0.069 0.067 8.65 0.00 0.00 | 8.65 0.00 0.00 stack half 0.069 0.067 0.069 0.048 0.069 0.048 0.069 0.049 0.069 0.048 6.77 1.01 4.52 | 6.77 0.13 2.12 stack golden 0.069 0.067 0.069 0.053 0.068 0.038 0.068 0.032 0.068 0.022 2.27 5.60 7.95 | 2.27 4.26 6.46 stack ign5588 0.069 0.067 0.068 0.047 0.068 0.029 0.068 0.028 0.068 0.021 2.28 5.74 8.09 | 2.28 3.86 6.67 ring still 0.040 0.053 0.040 0.053 0.040 0.053 0.040 0.053 0.040 0.053 24.38 0.00 0.00 | 24.38 0.00 0.00 ring half 0.040 0.053 0.039 0.033 0.039 0.033 0.039 0.034 0.039 0.033 20.39 2.51 11.20 | 20.39 0.32 5.26 ring golden 0.040 0.053 0.039 0.035 0.039 0.027 0.039 0.026 0.039 0.022 16.68 13.10 17.31 | 16.68 9.51 14.98 ring ign5588 0.040 0.053 0.039 0.034 0.039 0.026 0.039 0.025 0.039 0.022 16.67 13.52 17.31 | 16.67 9.07 15.19