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題名 An Investigation on a Plane‐Based Dynamic Calibration Method for the Handheld LiDAR Scanner
作者 邱式鴻
Chio, Shih-Hong
貢獻者 地政系
關鍵詞 calibration; handheld LiDAR scanner; Velodyne VLP-16; least-squares adjustment
日期 2022-01
上傳時間 1-七月-2022 16:26:39 (UTC+8)
摘要 A plane-based dynamic calibration method had been proposed by the previous study for the GeoSLAM ZEB Horizon handheld LiDAR scanner. Only one preliminary test was presented. Therefore, three datasets in a calibration field were collected in this study on different dates and at different times on the same date to investigate the efficiency of the proposed calibration approach and calibration results. The calibration results for these three datasets showed that all average residuals were closer to 0, and all a posterior unit weight standard deviations of the adjustment were also significantly reduced after calibration. Moreover, the RMSE (root mean square error) of the check planes was improved by about an average of 32.61%, 28.44%, and 14.7%, respectively, for the three datasets. The improvement was highly correlated with the quality of the calibration data. The RMSE differences of all check planes using calibration data collected on different dates and at different times on the same date for calibration was about 1–2 cm and less than 1 mm, respectively. There was no difference in the calibration results, demonstrating the efficiency of the proposed calibration approach and the calibration results during the two different dates.
關聯 Sensors, 22(1), 369
資料類型 article
DOI https://doi.org/10.3390/s22010369
dc.contributor 地政系
dc.creator (作者) 邱式鴻
dc.creator (作者) Chio, Shih-Hong
dc.date (日期) 2022-01
dc.date.accessioned 1-七月-2022 16:26:39 (UTC+8)-
dc.date.available 1-七月-2022 16:26:39 (UTC+8)-
dc.date.issued (上傳時間) 1-七月-2022 16:26:39 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/140687-
dc.description.abstract (摘要) A plane-based dynamic calibration method had been proposed by the previous study for the GeoSLAM ZEB Horizon handheld LiDAR scanner. Only one preliminary test was presented. Therefore, three datasets in a calibration field were collected in this study on different dates and at different times on the same date to investigate the efficiency of the proposed calibration approach and calibration results. The calibration results for these three datasets showed that all average residuals were closer to 0, and all a posterior unit weight standard deviations of the adjustment were also significantly reduced after calibration. Moreover, the RMSE (root mean square error) of the check planes was improved by about an average of 32.61%, 28.44%, and 14.7%, respectively, for the three datasets. The improvement was highly correlated with the quality of the calibration data. The RMSE differences of all check planes using calibration data collected on different dates and at different times on the same date for calibration was about 1–2 cm and less than 1 mm, respectively. There was no difference in the calibration results, demonstrating the efficiency of the proposed calibration approach and the calibration results during the two different dates.
dc.format.extent 97 bytes-
dc.format.mimetype text/html-
dc.relation (關聯) Sensors, 22(1), 369
dc.subject (關鍵詞) calibration; handheld LiDAR scanner; Velodyne VLP-16; least-squares adjustment
dc.title (題名) An Investigation on a Plane‐Based Dynamic Calibration Method for the Handheld LiDAR Scanner
dc.type (資料類型) article
dc.identifier.doi (DOI) 10.3390/s22010369
dc.doi.uri (DOI) https://doi.org/10.3390/s22010369