利用鱼眼影像技术反演不同株型水稻的冠层结构参数
胡凝
1
, 吕川根
2,
*
, 姚克敏
1
, 张晓翠
3
Inversion of Rice Canopy Construction Parameters from the Hemispherical Photograph
HU Ning
1
, L#cod#x000dc; Chuan-Gen
2,
*
, YAO Ke-Min
1
, ZHANG Xiao-Cui
3
图6 比较一阶阈值法与二阶阈值法提取冠层间隙度的效果
Fig. 6 Comparison in canopy gaps calculated by single threshold and double threshold