Journal of Remote Sensing / 2021 / Article / Fig 3

Research Article

Quantitative Evaluation of Leaf Inclination Angle Distribution on Leaf Area Index Retrieval of Coniferous Canopies

Figure 3

Data processing flow chart for calculating the leaf inclination angle distribution (LAD). (a) Example stereo images of a needle branch sample. (b) Line segments detection using LSD algorithm. (c) Three-dimensional (3D) lines reconstruction using Line3D++ algorithm. (d) The calculation of LAD.