Research Article
2D In Situ Method for Measuring Plant Leaf Area with Camera Correction and Background Color Calibration
Table 3
Comparison of leaf area measurement for Ligustrum lucidum.
| | Angle | Measurement area (mm2) | Absolute errors (mm2) | Relative errors (%) | | BCC | LAS | BCC | LAS | BCC | LAS |
| | 0° | 1530.0213 | 1506.0943 | 9.6977 | −14.2293 | 0.64% | −0.94% | | 45° | 1528.2612 | 1508.6783 | 7.9376 | −11.6453 | 0.52% | −0.77% | | 90° | 1517.3811 | 1508.3453 | −2.9425 | −11.9783 | −0.19% | −0.79% | | 135° | 1486.5007 | 1513.9928 | −33.8229 | −6.3308 | −2.22% | −0.42% | | 180° | 1521.5412 | 1525.3945 | 1.2176 | 5.0709 | 0.08% | 0.33% | | 225° | 1546.9817 | 1521.6383 | 26.6581 | 1.3147 | 1.75% | 0.09% | | 270° | 1531.6213 | 1516.8566 | 11.2977 | −3.467 | 0.74% | −0.23% | | 315° | 1483.9407 | 1513.6598 | −36.3829 | −6.6638 | −2.39% | −0.44% | | 360° | 1519.3011 | 1514.9119 | −1.0225 | −5.4117 | −0.067% | −0.36% | | Average value | 1518.3945 | 1514.3969 | −1.9291 | −5.9267 | −0.13% | −0.39% |
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