Processing coastal imagery with Agisoft Metashape Professional Edition, version 1.6—Structure from motion workflow documentation

First posted June 14, 2021 For additional information, contact: Director, Woods Hole Coastal and Marine Science CenterU.S. Geological Survey384 Woods Hole RoadQuissett CampusWoods Hole, MA 02543–1598508–548–8700 or 508–457–2200 Structure from motion (SFM) has become an integral technique in coastal change assessment; the U.S. Geological Survey (USGS) used Agisoft Metashape Professional Edition photogrammetry software to develop a workflow that processes coastline aerial imagery collected in response to storms since Hurricane Florence in 2018. This report details step-by-step instructions to create three-dimensional (3D) spatial products from both singular and repeated collections of shoreline aerial imagery. The products can be used for real-time hazard guidance and future forecasting and recovery endeavors.