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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...
The Motion History Image (MHI) method is a view-based temporal template approach, which is simple and robust in representing movements, and hence MHI is widely employed by various research groups for action recognition, motion analysis, etc. This paper overviews motion history image (MHI)-based human motion recognition techniques. Since the inception of the motion history image template for motion...
In this paper we propose an approach for action recognition based on a vocabulary forest of local motion-appearance features. Large numbers of features with associated motion vectors are extracted from action data and are represented by many vocabulary trees. Features from a query sequence are matched to the trees and vote for action categories and their locations. Large number of trees make the process...
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