[2] Junttila S, Vastaranta M, Liang X L et al. Measuring leaf water content with dual-wavelength intensity data from terrestrial laser scanners[J]. Remote Sensing, 9, 8-27(2016).
[3] Kang Z, Li J, Zhang L et al. Automatic registration of terrestrial laser scanning point clouds using panoramic reflectance images[J]. Sensors, 9, 2621-2646(2009).
[5] Li Z, Jupp D L, Strahler A H et al. Radiometric calibration of a dual-wavelength, full-waveform terrestrial lidar[J]. Sensors, 16, 313-336(2016).
[7] Huang X M, Sun Y, Liu H Q et al. Resolving leaf area index of individual trees based on multi-return terrestrial laser point cloud data[J]. Journal of Remote Sensing, 22, 1042-1050(2018).
[8] Cao L, She G H, Dai J S et al. Status and prospects of the LiDAR-based forest biomass estimation[J]. Journal of Nanjing Forestry University (Natural Sciences Edition), 37, 163-169(2013).
[9] Fang W, Huang X F, Zhang F et al. Intensity correction of terrestrial laser scanning data by estimating laser transmission function[J]. IEEE Transactions on Geoscience and Remote Sensing, 53, 942-951(2015).
[10] Tan K, Cheng X J, Ding X L et al. Intensity data correction for the distance effect in terrestrial laser scanners[J]. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9, 304-312(2016).
[11] Xia G F, Hu C M, Cao B Z et al. Study on the influence of laser incident angle on the reflection intensity of the point cloud[J]. Laser Journal, 37, 11-13(2016).
[15] Calders K, Disney M I, Armston J et al. Evaluation of the range accuracy and the radiometric calibration of multiple terrestrial laser scanning instruments for data interoperability[J]. IEEE Transactions on Geoscience and Remote Sensing, 55, 2716-2724(2017).
[16] Pfeifer N, Dorninger P, Haring A et al. Investigating terrestrial laser scanning intensity data: quality and functional relations. [C]// International Conference on in Gruen(2006).
[17] Niu Y C. On the generalization of weierstrass approximation theorem[J]. Journal of Inner Mongolia University for Nationalities (Natural Sciences), 25, 614-616(2010).
[20] Béland M, Baldocchi D D, Widlowski J L et al. On seeing the wood from the leaves and the role of voxel size in determining leaf area distribution of forests with terrestrial LiDAR[J]. Agricultural and Forest Meteorology, 184, 82-97(2014).
[22] Junttila S, Sugano J, Vastaranta M et al. Can leaf water content be estimated using multispectral terrestrial laser scanning? A case study with Norway spruce seedlings[J]. Frontiers in Plant Science, 9, 299(2018).