Action recognition using time of flight cameras

The paper deals with the issue of action recognition as an application of the new 3D time-of-flight (ToF) camera, exploiting the special ability of the device to measure distances. Segmentation of moving people is straightforward from the distance information and subsequent steps of the processing chain follow in a classical way. We describe the first results on action recognition using ToF camera distance images for a simple task of deciding actions of a single person. The total variation of a function reveals as a very useful feature in these applications.