基于三维点云和集成学习的大田烟草株型特征识别
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贾奥博,董天浩,张彦,朱冰琳,孙延国,吴元华,石屹,马韫韬,郭焱
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Recognition of field-grown tobacco plant type characteristics based on three-dimensional point cloud and ensemble learning
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Aobo JIA,Tianhao DONG,Yan ZHANG,Binglin ZHU,Yanguo SUN,Yuanhua WU,Yi SHI,Yuntao MA,Yan GUO
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| 表1 提取的烟草表型参数 |
| Table 1 Extracted phenotypic parameters of tobacco |
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表型参数 Phenotypic parameter | 符号 Symbol | 定义 Definition |
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| 株高 Plant height/cm | H | 植株最高点到基部的距离 | | 顶宽 Top width/cm | WT | 最上部有效叶片叶尖至茎的垂直距离的2倍 | | 底宽 Bottom width/cm | WB | 最下部有效叶片叶尖至茎的垂直距离的2倍 | 叶层最大宽 Maximum width of leaf layer/cm | Wmax | 叶片叶尖距茎秆垂直距离最大值的2倍 | 叶层最大宽在叶层高的位置 Maximum width of leaf layer at the height of the leaf layer/cm | HM | 叶层最大宽处端点到植株基部的垂直距离 | 最小包围盒体积 Minimum enclosing box volume/m3 | VB | 包围点云的最小立方体的体积 | | 凸包体积Convex hull volume/m3 | VC | 包含点云的最小凸多面体的体积 | | 冠层投影包围盒面积Canopy projected enclosing box area/m2 | S | 冠层在X-Y平面上投影的最小矩形框面积 | 投影后凸包的面积 Area of convex hull after projection/m2 | SC | 冠层在X-Y平面上投影后凸包的面积 | | 茎叶夹角Stem and leaf angle/(°) | α | 植株腰部叶片拟合平面与茎秆的夹角 |
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