Application of Handheld Scanner to Investigate Diameter at Breast Height and Tree Height
AUTHORS
Joon Kyu Park,Department of Civil Engineering, Seoil University, 28, Yongmasan-ro 90-gil, Jungnang-gu, Seoul, Korea
Dae Yong Um,Department of Civil Engineering, Korea National University of Transportation, 50, Daehak-ro, Chungju-si, Chungbuk, Korea
ABSTRACT
The Diameter at Breast Height(DBH) is the basic data among the essential items of forest management. Existing DBH survey have generally been made manually. But this way can cause personal and has a disadvantage that it is difficult to measure when the shape of the tree is irregular. In recent years 3D laser scanning method has been introduced in the field of forestry. In this study, DBH and tree height were measured using a 3D laser scanner. Data on the forests studied were obtained using hand-held scanners and DBH and tree height were measured. Additionally obtained data on felled trees was also performed software measurements, and compared the measurements with calipers. The DBH measurement showed a deviation of less than 4 cm compared to the caliper measurement. This result indicates that the DBH can be measured using a hand-held scanner. And measuring a 1.2 m high diameter is difficult in the field, so using a handheld scanner will improve work efficiency. The tree height was within 10 cm of the reference. Although the reference was measured using the total station for accurate measurement, the error of the clinometer used in the field is likely to occur, and the tree height measurement using the hand held scanner may improve the accuracy of the measurement. Further research and measurement automation in the future, the scanner-based method that can be used to reduce noise will be used to measure the diameter of a log tree.
KEYWORDS
DBH, Forest, Handheld Scanner, Point Cloud, Measurement
REFERENCES
[1] H.C. Yun and J.S. Lee, “Accuracy Evaluation and Analysis of SLAM for the Advancement of Forest Investigation”, Journal of the Korea Academia-Industrial cooperation Society, Vol.19, No.12, pp.734-739. (2018) DOI: 10.5762/KAIS.2018.19.12.734(CrossRef)(Google Scholar)
[2] S.H. Ju, S.H. Yoon, S.Y. Park, and J. Heo, “Simulation based Target Geometry Determination Method for Extrinsic Calibration of Multiple 2D Laser Scanning System”, Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, Vol.36, No.6, pp.443-449. (2018) DOI: 10.7848/ksgpc.2018.36.6.443(CrossRef)(Google Scholar)
[3] J.H. Oh, Y.J. Jang, and C.N. Lee, “Accuracy Analysis of Low-cost UAV Photogrammetry for Corridor Mapping”, Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, Vol.36, No.6, pp.565-572. (2018) DOI: 10.7848/ksgpc.2018.36.6.565(CrossRef)(Google Scholar)
[4] J.K Park and K.Y. Jung, “Investigation and Analysis of Forest Geospatial Information Using Drone” Journal of the Korea Academia-Industrial cooperation Society, vol.19, no.2, pp. 602-607. (2018) DOI: 10.5762/KAIS.2018.19.2.602(CrossRef)(Google Scholar)
[5] H.S. Moon and W.S. Lee, “Development and Verification of A Module for Positioning Buried Persons in Collapsed Area”, Journal of the Korea Academia-Industrial cooperation Society, Vol.17, No.12, pp. 427-436. (2016) DOI: 10.5762/KAIS.2016.17.12.427(CrossRef)(Google Scholar)
[6] K.W. Lee and J.K. Park, “Economic Evaluation of Unmanned Aerial Vehicle for Forest Pest Monitoring”, Journal of the Korea Academia-Industrial cooperation Society, Vol.20, No.1, pp.440-446. (2019)
[7] J.W. Lim, G.E. Park, N.H. Moon, G.H. Moon, and M.Y. Shin, “Analysing the Relationship Between Tree-Ring Growth of Pinus densiflora and Climatic Factors Based on National Forest Inventory Data”, Journal of the Korean Society of Forest Science, Vol.106, No.2, pp.249-257. (2017) DOI: 10.14578/jkfs.2017.106.2.249(CrossRef)(Google Scholar)
[8] J.K. Byun, J.K. Shin, J.E. Yun, H.G. Kim, S.H. Oh, and D.K. Kim, “The Flora of Vascular Plants and Vegetation Type in Mt. Cheonhwang Protected Area for Forest Genetic Resource Conservation, South Korea”, Journal of Agriculture & Life Science, Vol.51, No.1, pp.77-103. (2017) DOI: 10.11110/kjpt.2013.43.2.146(CrossRef)(Google Scholar)
[9] J. P. Seo, K. D. Kim, and C. S. Woo, “Analysis on Displacement Characteristics of Slow-Moving Landslide on a slope near road Using the Topographic Map and Airborne LiDAR”, Journal of the Korea Academia-Industrial cooperation Society, Vol.20, No.5, pp.27-35. (2019) DOI: 10.5762/KAIS.2019.20.5.27(CrossRef)(Google Scholar)
[10] K. W. Lee and J. K. Park, “Application of Terrestrial LiDAR for Displacement Detecting on Risk Slope”, Journal of the Korea Academia-Industrial cooperation Society, Vol.20, No.1, pp.323-328. (2019)
[11] S. Y. Park, D. S. Chang, J. H. Jung, Y. J. Kim, and Y. S. Kim, “Prediction of Slope Failure Using Control Chart Method”, Journal of the Korean Geosynthetics Society, Vol.17, No.2, pp.9-18. (2018)
[12] T. D. Acharya, I. T. Yang, and D. H. Lee, “Comparative Analysis of Digital Elevation Models between AW3D30, SRTM30 and Airborne LiDAR: A Case of Chuncheon, South Korea”, Journal of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography, Vol.36, No.1, pp.17-24. (2018)
[13] GeoSLAM, (2019), https://geoslam.com/