Use of Lidar Technology for Archaeological and Geo-historical Knowledge. French Examples

International audienceThe airborne laser or lidar (Light Detection and Ranging) is a technology in full development. For about fifteen years it has presented applications in geography and archeology. In particular, it makes it possible to obtain a high-resolution digital terrain model under the forest canopy. In France, lidar has been used in many forests such as those of Haye, Rouen, Fontainebleau or Verdun. This article presents the applications of the lidar tool to the Compiegne national forest, north of Paris (department of Oise). It offers some image processing, applied to the study of plots and old game parks