Department of Computer Science
Computer Vision
 



Computer Vision has now merged with Signal Processing to become the Visual Information Laboratory.
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Situation awareness through hand behaviour analysis

Situation awareness through hand behaviour analysis
Situation awareness through hand behaviour analysis

Activity recognition and event classification are of prime relevance to any intelligent system designed to assist on the move. There have been several systems aimed at the capturing of signals from a wearable computer with the aim of establishing a relationship between what is being perceived now and what should be happening. Assisting people is indeed one of the main championed potentials of wearable sensing and therefore of significant research interest.

Our work currently focuses on higher-level activity recognition that processes very low resolution motion images (160x120 pixels) to classify user manipulation activity. For this work, we base our test environment on supervised learning of the user's behaviour from video sequences. The system observes interaction between the user's hands and various objects, in various locations of the environment, from a wide angle shoulder-worn camera. The location and object being interacted with are indirectly deduced on the fly from the manipulation motions. Using this low-level visual information user activity is classified as one from a set of previously learned classes.

Computer Vision Group
Dept of Computer Science,
University of Bristol

For more information about our work or opportunities to join or visit the group, email vision at cs.bris.ac.uk


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