A. Bartoli, N. Dalal, B. Bose, and R. Horaud. From video sequences to motion panoramas. In IEEE Workshop on Motion and Video Computing, December 2002. Home/Search Document Details and Download
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Indexing Key Positions between Multiple Videos - Dalal, Horaud (2002) Self-citation (Dalal Horaud) (Correct)
....in zoom and focus. This type of camera motion is conveniently described by a plane to plane projective transformation and can be estimated from image point correspondences without any prior knowledge. Cameras mounted on tripod (as used in athletic events) satisfy these conditons to a good accuracy [1]. Second, we assume that image regions corresponding to individual body parts can be tracked through the video sequence. Third, we assume that the focal length varies in a way such that the apparent image size of the object of interest (here a human body) remains constant. The latter implies that ....
....denotes respective positions in j th frame. 2.1 Camera Motion Estimation We assume that camera s centre of projection is fixed and only focal length f , tilt angle 1 and pan angle 2 vary. These assumptions are valid for cameras mounted on tripods and hence sufficient for most video sequences [1]. Let H be the plane plane projective transformation or homography warping the (j 1) th frame to current j th frame. At each time instant j, we estimate homographies H parameterized over f , 1 and 2 by minimizing dense photometric information between two consecutive frames [1, 11] and ....
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A. Bartoli, N. Dalal, B. Bose, and R. Horaud. From video sequences to motion panorama. In Proceedings of the IEEE workshop on Motion and Video Computing, Orlando, Florida, USA, 2002.
Statistical Background Subtraction for a Mobile Observer - Hayman, Eklundh (2003) (1 citation) (Correct)
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A. Bartoli, N. Dalal, B. Bose, and R. Horaud. From video sequences to motion panoramas. In IEEE Workshop on Motion and Video Computing, December 2002.
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