[1] Zhou Y H, Qiu F. Fusion of high spatial resolution WorldView-2 imagery and LiDAR pseudo-waveform for object-based image analysis[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 101, 221-232(2015). http://www.sciencedirect.com/science/article/pii/S0924271614002883

[2] Cheng X J, Guo W, Li Q et al. Joint classification method for terrestrial LiDAR point cloud based on intensity and color information[J]. Chinese Journal of Lasers, 44, 1010007(2017).

[3] Wang D L, Li Y. Building edge extraction from LiDAR point cloud based on rotational difference kernel estimation[J]. Chinese Journal of Lasers, 46, 0104005(2019).

[4] Hui Z Y, Cheng P G, Guan Y L et al. Review on airborne LiDAR point cloud filtering[J]. Laser & Optoelectronics Progress, 55, 060001(2018).

[5] Man Q X. Fusion of hyperspectral and LiDAR data for urban land use classification[D](2015).

[6] Shan J, Li Z X, Zhang W Y. Recent progress in large-scale 3D city modeling[J]. Acta Geodaetica et Cartographica Sinica, 48, 1523-1541(2019).

[7] Brell M, Segl K, Guanter L et al. 3D hyperspectral point cloud generation: fusing airborne laser scanning and hyperspectral imaging sensors for improved object-based information extraction[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 149, 200-214(2019). http://www.sciencedirect.com/science/article/pii/S0924271619300309

[8] Feng L, Wei L D, Yang L et al. Design of double-channel hyperspectral imaging system based on curved prism[J]. Acta Optica Sinica, 39, 0511002(2019).

[9] Chen B W, Shi S, Sun J et al. Hyperspectral lidar point cloud segmentation based on geometric and spectral information[J]. Optics Express, 27, 24043-24059(2019). http://www.ncbi.nlm.nih.gov/pubmed/31510299

[10] Zhang Y, Zhao Y, Wu X M et al. Advancement on multi-spectrum detecting and laser multi-spectrum detecting technology[J]. Laser Technology, 31, 188-191(2007).

[11] Krzysztof B. Multispectral airborne laser scanning-a new trend in the development of lidar technology[J]. Archiwum Fotogrametrii, Kartografii i Teledetekcji, 27, 25-44(2015). http://adsabs.harvard.edu/abs/2015ArFKT..27...25B

[12] Song S L, Wang B H, Gong W et al. A new waveform decomposition method for multispectral LiDAR[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 149, 40-49(2019). http://www.sciencedirect.com/science/article/pii/S092427161930022X

[13] Wang B H, Song S L, Gong W et al. Color restoration for full-waveform multispectral LiDAR data[J]. Remote Sensing, 12, 593(2020).

[14] Höfle B, Pfeifer N. Correction of laser scanning intensity data: data and model-driven approaches[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 62, 415-433(2007). http://www.sciencedirect.com/science/article/pii/S0924271607000603

[15] Mat Isa N A, Lim W H. Saturation avoidance colorcorrection for digital color images[J]. Multimedia Tools and Applications, 76, 10279-10312(2017). http://link.springer.com/10.1007/s11042-016-3620-y

[16] Carrea D, Abellan A, Humair F et al. Correction of terrestrial LiDAR intensity channel using Oren-Nayar reflectance model: an application to lithological differentiation[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 113, 17-29(2016). http://www.sciencedirect.com/science/article/pii/S0924271615002658

[17] Ding Q, Chen W, King B et al. Combination of overlap-driven adjustment and Phong model for LiDAR intensity correction[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 75, 40-47(2013). http://www.sciencedirect.com/science/article/pii/S0924271612001852

[18] Wang X Z, Zhang D. Anoptimized tongue image color correction scheme[J]. IEEE Transactions on Information Technology in Biomedicine, 14, 1355-1364(2010). http://ieeexplore.ieee.org/document/5570961/references

[19] Haeghen Y V, Naeyaert J M A D, Lemahieu I et al. An imaging system with calibrated color image acquisition for use in dermatology[J]. IEEE Transactions on Medical Imaging, 19, 722-730(2000).

[20] Qian L Y, Wu D C, Zhou X J et al. Radiation calibration and ground object information acquisition based on high spectral imaging lidar system[J]. Acta Optica Sinica, 40, 1128001(2020).