Characterization of the chromatic and achromatic papers
| . | . | Quantum catch . | . | . | ||
|---|---|---|---|---|---|---|
| Paper ID . | Subjective brightness . | B . | G . | R . | ||
| Blue | 5.2 | 7.5 | 3.5 | 1.9 | ||
| Gr-B-s | 5.5 | 5.6 | 5.4 | 5.5 | ||
| Gr-B-b | 7.3 | 7.4 | 7.1 | 7.2 | ||
| Gr-B-g | 4.0 | 4.0 | 3.8 | 3.9 | ||
| Gr-B-r | 2.0 | 1.9 | 1.9 | 2.0 | ||
| Green | 6.9 | 5.8 | 10.5 | 6.5 | ||
| Gr-G-s | 6.6 | 6.7 | 6.4 | 6.5 | ||
| Gr-G-b | 5.5 | 5.6 | 5.4 | 5.4 | ||
| Gr-G-g | 10.4 | 10.7 | 10.2 | 10.1 | ||
| Gr-G-r | 6.5 | 6.6 | 6.4 | 6.5 | ||
| Red | 6.4 | 2.9 | 5.1 | 16.1 | ||
| Gr-R-s | 6.4 | 6.5 | 6.2 | 6.3 | ||
| Gr-R-b | 3.0 | 3.0 | 2.9 | 3.0 | ||
| Gr-R-g | 5.5 | 5.6 | 5.4 | 5.5 | ||
| Gr-R-r | 16.6 | 17.2 | 16.5 | 16.0 | ||
| . | . | Quantum catch . | . | . | ||
|---|---|---|---|---|---|---|
| Paper ID . | Subjective brightness . | B . | G . | R . | ||
| Blue | 5.2 | 7.5 | 3.5 | 1.9 | ||
| Gr-B-s | 5.5 | 5.6 | 5.4 | 5.5 | ||
| Gr-B-b | 7.3 | 7.4 | 7.1 | 7.2 | ||
| Gr-B-g | 4.0 | 4.0 | 3.8 | 3.9 | ||
| Gr-B-r | 2.0 | 1.9 | 1.9 | 2.0 | ||
| Green | 6.9 | 5.8 | 10.5 | 6.5 | ||
| Gr-G-s | 6.6 | 6.7 | 6.4 | 6.5 | ||
| Gr-G-b | 5.5 | 5.6 | 5.4 | 5.4 | ||
| Gr-G-g | 10.4 | 10.7 | 10.2 | 10.1 | ||
| Gr-G-r | 6.5 | 6.6 | 6.4 | 6.5 | ||
| Red | 6.4 | 2.9 | 5.1 | 16.1 | ||
| Gr-R-s | 6.4 | 6.5 | 6.2 | 6.3 | ||
| Gr-R-b | 3.0 | 3.0 | 2.9 | 3.0 | ||
| Gr-R-g | 5.5 | 5.6 | 5.4 | 5.5 | ||
| Gr-R-r | 16.6 | 17.2 | 16.5 | 16.0 | ||
Subjective brightness and quantum catch were calculated using Eqn 1-4. For example, Gr-B-s is Grey paper with equal subjective brightness to the Blue paper; Gr-B-b is Grey paper with quantum catch equal to that of blue receptors with the Blue paper (underlined numbers).