Research Article
2D In Situ Method for Measuring Plant Leaf Area with Camera Correction and Background Color Calibration
Table 2
Comparison of leaf area measurement for Platanus orientalis.
| | Angle | Measurement area (mm2) | Absolute errors (mm2) | Relative errors (%) | | BCC | LAS | BCC | LAS | BCC | LAS |
| | 0° | 5933.5201 | 6095.6936 | −13.1663 | 149.0072 | −0.22% | 2.51% | | 45° | 5889.6795 | 6082.6137 | −57.0069 | 135.9273 | −0.96% | 2.29% | | 90° | 5890.3195 | 6053.2305 | −56.3669 | 106.5441 | −0.95% | 1.79% | | 135° | 5869.9993 | 6057.6393 | −76.6871 | 110.9529 | −1.29% | 1.87% | | 180° | 5921.8400 | 6047.7561 | −24.8464 | 101.0697 | −0.42% | 1.70% | | 225° | 5874.9593 | 6058.8115 | −71.7271 | 112.1251 | −1.21% | 1.89% | | 270° | 5849.0390 | 6065.6844 | −97.6474 | 118.998 | −1.64% | 2.00% | | 315° | 5877.6794 | 6065.6045 | −69.007 | 118.9181 | −1.16% | 2.00% | | 360° | 5900.8797 | 6065.8443 | −45.8067 | 119.1579 | −0.77% | 2.00% | | Average value | 5889.7684 | 6065.8753 | −56.918 | 119.1889 | −0.96% | 2.00% |
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