The University of Twente is currently completely redesigning all its bachelor studies. As coordinator of the design of the first module for the study “Technische Informatica”, I today presented the design in a feedback meeting. [Presentation]
Archive for » February, 2013 «
Tomorrow, 28 Feb 2013, a PhD student of mine, Victor de Graaff, is going to give a presentation on how to estimate the boundaries for objects for which you only have a point and other public data such as Open Street Map [Announcement].
Point of Interest to Region of Interest Conversion
Date/Time: Thursday, February 28, 2013 – 13:30 to 14:30; Room: 0-142
GPS trajectories from a mobile device, such as a smartphone, indirectly contain a vast amount of information on the interests of the owner of the device. Collections of GPS trajectories even provide insight in the popularity of locations, and the time spent at those locations. To obtain this information, the visited places on such a trajectory need to be recognized. However, the location information on a point of interest (POI) in a database is normally limited to an address and a GPS coordinate, rather than a geometry describing its boundaries. To create a match with a GPS trajectory, a two-dimensional shape representing this place, a region of interest (ROI), is needed. In the absence of expensive and hard to obtain detailed spatial data like cadastral data, we need to estimate this ROI. In this research project, we bridge this gap by presenting several approaches to estimate the size and shape of the ROI, and validate these estimations against the cadastral data of the city of Enschede, The Netherlands.