TY - JOUR A1 - Ekkel, T. A1 - Schmik, J. A1 - Luhmann, T. A1 - Hastedt, H. T1 - PRECISE LASER-BASED OPTICAL 3D MEASUREMENT OF WELDING SEAMS UNDER WATER JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XL-5/W5 SP - 117 EP - 122 Y1 - 2015/04/09 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XL-5-W5/117/2015/ L1 - https://isprs-archives.copernicus.org/articles/XL-5-W5/117/2015/isprsarchives-XL-5-W5-117-2015.pdf DO - 10.5194/isprsarchives-XL-5-W5-117-2015 ER -