光学学报, 2019, 39 (5): 0515003, 网络出版: 2019-05-10
基于深度信息的大豆株高计算方法 
下载： 1544次
Calculation Method of Soybean Plant Height Based on Depth Information
图 & 表
图 2. 具有颜色信息的大豆冠层三维(3D)重建流程图。(a)图像同步采集系统;(b) 深度图像;(c) 彩色图像;(d)原始三维点云;(e) 彩色图像灰度直方图;(f) 原始点云距离图;(g) 具有颜色信息的原始点云距离图;(h) 分割后大豆冠层距离图;(i) 分割后具有颜色信息的大豆冠层距离图
Fig. 2. Flow chart of three dimensional (3D) reconstruction of soybean canopy with color information. (a) Synchronous acquisition system; (b) depth image; (c) color image; (d) raw 3D point cloud; (e) gray histogram of color image; (f) distance image of raw data; (g) distance image of raw data with color information; (h) distance image of canopy after segmentation; (i) distance image of canopy with color information after segmentation
图 4. 棋盘格与相机的相对位置关系。(a) 彩色相机拍摄的棋盘格角点检测;(b) 深度相机拍摄的棋盘格角点检测
Fig. 4. Relative position relationship between checkerboard and camera. (a) Corner detection of checkerboard by color camera; (b) corner detection of checkerboard by depth camera
图 5. 具有颜色信息的大豆冠层三维重建。(a)原始三维点云;(b)具有颜色信息的原始三维点云;(c)分割后大豆冠层三维点云距离正视图;(d)分割后大豆冠层三维点云距离侧视图;(e)具有颜色信息的大豆冠层三维点云正视图;(f)具有颜色信息的大豆冠层三维点云俯视图
Fig. 5. 3D reconstruction of soybean canopy with color information. (a) Raw 3D point cloud; (b) raw 3D point cloud with color information; (c) 3D point cloud distance image of soybean canopy after segmentation under front view; (d) 3D point cloud distance image of soybean canopy after segmentation under side view; (e) 3D reconstruction of soybean canopy with color information under front view; (f) 3D reconstruction of soybean canopy with color information under top view
图 9. 2018年7月19日获得的大豆冠层三维重建效果。(a)单盆重建;(b)群体重建
Fig. 9. 3D reconstruction effect of soybean canopy on July 19, 2018. (a) 3D reconstruction of individual soybean plant; (b) 3D reconstruction of grouped soybean plants
图 10. 大豆9-5号的2018年6月19日(0619)—2018年9月5日(0905)生殖生长期的冠层3D重建效果
Fig. 10. 3D reconstruction of 9-5 soybean canopy in reproductive period from June 19, 2018 (0619) to September 5, 2018 (0905)
图 11. 三个品种大豆株高的测量值与计算值的比较。(a)抗线9号的对比结果;(b)抗线13号的对比结果;(c)富豆6号的对比结果
Fig. 11. Comparison of manual measurement values and sensor measurement values of plant height for three soybean varieties. (a) Comparison result of Kangxian-9; (b) comparison result of Kangxian-13; (c) comparison result of Fudou-6
冯佳睿, 马晓丹, 关海鸥, 朱可心, 于菘. 基于深度信息的大豆株高计算方法[J]. 光学学报, 2019, 39(5): 0515003. Jiarui Feng, Xiaodan Ma, Haiou Guan, Kexin Zhu, Song Yu. Calculation Method of Soybean Plant Height Based on Depth Information[J]. Acta Optica Sinica, 2019, 39(5): 0515003.
PDF全文
