This Website contains an ongoing collection of work for my PhD in Structure from Motion as a Tool for Archaeological Research at the Institute for Archaeology, UCL. The links on the right will take you to individual case studies. Some of these were completed as part of my Masters Dissertation.
My PhD research looks at the use of 'structure from motion' to quickly and cheaply build 3d models from photographs.
The process is very similar to photogrammetry, but uses an additional step to calculate camera position from the photographs, so there is no need to know the camera position, and it can even be done from pre-existing photographs provided the coverage is great enough.
Feature matching software matches points across a sequence of images, and uses triangulation to determine the exact location of the camera for each image. This information is used to calculate the position of features in 3D space. The resulting pointcloud can be processed to create a 3D model or elevation map. This technique allows the recording of surface detail at a precision, cost and speed that can compare favourably with topographic survey, LiDAR and laser scanning, and photogrammetry.
This research builds upon my past professional experience in 3d modelling and on a successful pilot study I
developed for my Masters dissertation. Only open source software will be used, and this will be developed to bring the technique within the reach of the average archaeologist and to integrate technologies specific to archaeological needs, such as the ability to georeference 3D objects.