Specifications

Submitted to Studies in Conservation, March 2006
18
Table 3. Colorimetric performance summary for the three camera systems and a best-case computation where the
same target was used for both calibration and verification.
Matched
Calibration and
Verification
ColorChecker DC
and Blues
Calibration
ColorChecker DC
and Blues
Calibration
ColorChecker
SG Calibration
Best Case
MCSL-Sinar
Quantix-LCTF
MCSL-Sinar
NGA-Sinar
∆E
00
∆E*
ab
∆E
00
∆E*
ab
∆E
00
∆E*
ab
∆E
00
∆E*
ab
ColorChecker DC
Average
0.7
1.2
1.0
1.5
0.8
1.2
2.7
4.2
Maximum
5.3
15.2
5.4
6.7
4.1
13.8
10.1
33.1
Std. Dev.
0.6
1.4
0.8
1.3
0.5
1.3
1.3
3.1
90Prctile
1.3
2.3
2.2
3.1
1.3
2.3
4.2
7.4
ColorChecker
Average
0.8
1.3
1.4
2.1
1.1
1.8
2.0
3.3
Maximum
2.2
4.9
4.8
7.8
2.4
5.5
5.0
8.1
Std. Dev.
0.6
1.2
0.9
1.4
0.6
1.3
1.2
2.2
90Prctile
1.5
3.0
2.6
3.1
1.9
3.6
3.6
7.3
Blue Pigments
Average
0.6
1.1
1.4
2.1
1.3
2.6
4.0
6.8
Maximum
1.7
4.3
4.4
6.1
4.3
7.5
7.0
14.0
Std. Dev.
0.4
0.9
1.0
1.5
1.1
1.8
1.5
2.5
90Prctile
1.3
2.2
2.9
4.8
3.1
5.4
6.0
9.8
Gamblin Pigments
Average
0.8
1.4
1.7
2.9
1.1
1.9
2.9
5.1
Maximum
2.6
4.6
6.9
11.9
2.3
4.9
6.4
14.1
Std. Dev.
0.4
0.9
1.2
2.3
0.4
1.1
1.4
3.0
90Prctile
1.3
2.8
2.9
5.7
1.6
3.5
4.9
8.5