Looking at People: Sensing for Ubiquitous and Wearable Computing
IEEE Transactions on Pattern Analysis and Machine Intelligence
Refining face tracking with integral projections
AVBPA'03 Proceedings of the 4th international conference on Audio- and video-based biometric person authentication
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In this poster, we describe the application of advanced computer vision techniques to create a perceptual interface based on face detection, tracking and pose estimation."Tierra Inhospita" is a virtual 3D world, similar to a first-person game, controlled by means of the user's head. Using integral projections, faces are tracked in a fast and reliable way. Then, additional information is extracted from the projections to estimate 3D position and orientation of the face. Although not accurate in terms of 3D locations, these estimations accomplish their purposes of stability and responsiveness to user's gestures. Finally, these parameters are converted into movement in the virtual world.The proposed technique has been implemented and tested in a prototype, which is publicly available [1]. Our experiments have proved the viability of the method.