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Further information relating to examination of SPD Curves
National Gallery: Spectral Power Distribution (SPD) Curves by
Joseph Padfield is licensed under:
The average CIE Lab ΔE has been calculated to be: 7.25 | (CIE Lab values calculated using each lights own white point as a reference). |
| Endura OT16-3101-WT MR16: LED - 6336K - 76.00 CRI |
|---|
L: 42.5
a: 10.34
b: 3.35
| L: 67.64
a: 10.12
b: 12.5
| L: 53.77
a: 5.02
b: -25.26
| L: 48.38
a: -10.41
b: 11.41
| L: 58.71
a: 13.5
b: -27.99
| L: 73.09
a: -24.1
b: 1.04
| L: 63.78
a: 23.14
b: 40.32
| L: 45.97
a: 20.55
b: -44.66
| L: 52.67
a: 34.76
b: 3.46
| L: 36.55
a: 19.21
b: -25.63
| L: 75.56
a: -25.6
b: 51.47
| L: 73.08
a: 10.48
b: 52.74
| L: 35.94
a: 29.95
b: -50.8
| L: 58.84
a: -30.75
b: 26.35
| L: 41.77
a: 35.83
b: 5.44
| L: 83.54
a: -6.55
b: 69.22
| L: 51.37
a: 40.93
b: -23.92
| L: 53.6
a: -11.42
b: -28.14
| L: 97.54
a: -0.11
b: 0.04
| L: 82.92
a: 0.22
b: -1.84
| L: 69.33
a: 1.2
b: -2.79
| L: 56.33
a: 1.3
b: -4.29
| L: 42.86
a: 2.51
b: -6.45
| L: 31.7
a: 4.38
b: -9.02
|
| | GE Standard Tungsten: TH |
|---|
L: 44.79
a: 13.51
b: 8.39
| L: 70.87
a: 18.24
b: 16.99
| L: 52.27
a: -6.77
b: -25.65
| L: 47.33
a: -7.51
b: 9.66
| L: 58.74
a: 4.06
b: -24.57
| L: 69.18
a: -29.16
b: -8.79
| L: 69.86
a: 31.57
b: 50.59
| L: 44.3
a: -3.28
b: -42.22
| L: 60.68
a: 41.96
b: 19.15
| L: 38.05
a: 12.85
b: -17.79
| L: 74.01
a: -14.53
b: 41.24
| L: 76.94
a: 19.8
b: 58.04
| L: 34.41
a: 0.84
b: -46.86
| L: 55.57
a: -27.43
b: 14.6
| L: 52.12
a: 50
b: 24.9
| L: 85.79
a: 10.16
b: 65.81
| L: 59.02
a: 42.81
b: -5.33
| L: 49.53
a: -27.97
b: -37.7
| L: 97.53
a: -0.08
b: 0.18
| L: 82.78
a: -0.68
b: -1.68
| L: 69.25
a: -0.14
b: -2.29
| L: 56.14
a: -0.74
b: -3.76
| L: 42.7
a: -0.23
b: -5.48
| L: 31.65
a: 0.91
b: -7.47
|
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P01 |
P02 |
P03 |
P04 |
P05 |
P06 |
P07 |
P08 |
P09 |
P10 |
P11 |
P12 |
P13 |
P14 |
P15 |
P16 |
P17 |
P18 |
P19 |
P20 |
P21 |
P22 |
P23 |
P24 |
Ave. ΔE |
| CIE ΔE 2000 |
4.69 | 6.37 | 10.42 | 2.85 | 6.16 | 7.61 | 6.38 | 15.79 | 11.6 | 4.79 | 5.64 | 6.17 | 18.05 | 6.45 | 14.51 | 10.5 | 11.79 | 9.4 | 0.14 | 1.31 | 1.99 | 2.96 | 3.88 | 4.56 | 7.25 |
|
This web-page is designed to display example spectral distribution curves for tested light sources. For more information relating to the graphing library used in this page see the dygraphs website. For more information about the project in general contact Joseph Padfield.
Calculating Average CIE ΔE 2000 between the calculated CIELAB values of a Macbeth ColorChecker under two different light sources.