Research Article
Color Calibration for Colorized Vision System with Digital Sensor and LED Array Illuminator
Table 4
The comparison of
(Image),
C between captured images and theoretical images before and after calibration.
| Serial number | 368 M | 225 M | Standard chromaticity coordinate | | | Illuminate | D65 | LED | D65 | LED | Precalibration (Image) | 13.73 | 18.54 | 31.59 | 50.96 | Postcalibration (Image) | 1.42 | 0.74 | 1.76 | 1.55 | Precalibration | 0.0539 | 0.0501 | 0.1558 | 0.0954 | Postcalibration | 0.0098 | 0.0105 | 0.0135 | 0.0044 | Improved ratio | 81.82% | 79.04% | 91.33% | 95.39% |
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