This paper proposes a method for automatic 3D point cloud segmentation of leaves on individual potato (Solanum tubero-sum) plants from DAV-based images. Conventional methods based on visual inspection require significant field work and human effort. The proposed approach uses remote sensing techniques as well as the Voxel Cloud Connectivity Segmentation (VCCS) technique to identify geometrical features and calculate structural attributes. The main component of the method is the SuperVoxel-based leaves segmentation from the tridimensional photogrametric point cloud. The approach is tested using DAV data from an experimental plot. Super-voxel segments are compared with a manual segmentation conducted by experts. The results show that the proposed method allows an accurate leaves segmentation, i.e. it is as good as conventional methods, but much more economic and timely.
Tópico:
Remote Sensing and LiDAR Applications
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FuenteIGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium