TETMAN: Three-dimensional Exploitation Techniques for Moving And Non-rigid targets
Humans may visibly reveal their disposition or intent through body actions. Recognizing these body activities often is key to determining human intent. Human activities involve 3D bodies in a 3D environment, current imaging technologies try to recognize body activities from their 2D projections. Photon-X uses proprietary spatial phase imaging technology which acquires high-resolution 3D video imagery in real time. The SPI sensor continuously builds a moving scene into dense 3D geometry. The technology makes possible markerless tracking of non-rigid forms. This enables unprecedented measurement of 3D human activity. Photon-X used the SPI sensor to capture real-time 3D videos of body activities. Photon-X also demonstrated the ability to extract and measure motion parameters from 3D videos by representing activity as a sequence of skeleton motions. Photon-X proposes to develop algorithms for determining behavioral intent based on action recognition of body motions and facial expressions in context. Research objectives: Markerless 3D tracking of human body actions. Interpretation of actions. 3D tracking of body parts. Interpretation of actions. 3D micro- and macro-facial expression analysis. Classification of facial-expressions into emotions. Intent determination from the correlation of body motion and facial expression. BENEFIT: Developing these 3D human sensing capabilities can result in numerous military and commercial applications, including: Intelligent surveillance detecting subjects from ground-based or UAV platforms; gaze tracking to determine which direction a person is looking; classifying actions such as walking, running, roaming in an irregular pattern, turning head, depositing parcels or other objects. Security industry security monitoring for trespassers; group segmentation to differentiate individuals at a security access point. Movie and Video game industries human motion modeling for character animation. Ergonomics human-computer interaction; remote control by gesture. Retailing observing shoppers for product interest. Health care in physical therapy, measuring range of motion and proper movement sequence in rehabilitation therapy. Video mining 2D video mining for video databases, 3D video mining for game industries or for existing 3D video depositories on the World Wide Web.
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