Shaochen Li, Aiwu Zhang, Xizhen Zhang, Zhiqiang Yang, Mengnan Li. 3D Phenotypic Information Extraction Method of Maize Seedlings at Leaf Scale[J]. Laser & Optoelectronics Progress, 2023, 60(2): 0210002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 2, 0210002 (2023)
Fig. 1. Parts of original mobile phone images
Fig. 2. Location of mobile phone camera
Fig. 3. Experimental process
Fig. 4. Extraction process of maize seedlings. (a) ExGR index extraction; (b) through filtering; (c) conditional Euclidean clustering; (d) extracted single seedlings
Fig. 5. Flowchart of regional growth algorithm based on curvature
Fig. 6. Result of leaf segmentation of maize seedlings
Fig. 7. Three-dimensional volume visualization of plant. (a) Convex hull volume; (b) voxelization volume
Fig. 8. Comparison of true values and calculated values of maize seedlings' phenotypic information. (a) Plant height; (b) leaf area; (c) leaf circumference
Fig. 9. Fingerprint of phenotypic changes
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Table 1. Common vegetation index
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Table 2. Comparison of multi-source data results
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