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Elastic motion is a nonrigid motion constrained only by some degree of smoothness and continuity. Consequently, elastic motion estimation by explicit feature matching actually contains two correlated subproblems: shape registration and motion tracking, which account for spatial smoothness and temporal continuity, respectively. If we ignore their interrelationship, solving each of them alone will be...
Technologies for real-time multi-view face detection from video streams are indispensable to video content-based retrieval systems and video surveillance systems. In this paper, we proposed a solution for real-time multi-view face detection and pose estimation in video stream. Integrating both asymmetric and symmetric rectangle features, AdaBoost learning algorithm and pyramid like architecture is...
This paper presents a systematic approach to automatically construct 3D natural scenes from video sequences. Dense layered depth maps are derived from image sequences captured by a vibrated camera with only approximately known motion. The approach consists of (1) image stabilization by motion filtering and (2) depth estimation by spatio-temporal texture analysis. The two stage method not only generalized...
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