Free viewpoint video synthesis and presentation of sporting events for mixed reality entertainment
Proceedings of the 2004 ACM SIGCHI International Conference on Advances in computer entertainment technology
Mesh based 3D shape deformation for image based rendering from uncalibrated multiple views
Proceedings of the 2005 international conference on Augmented tele-existence
AR Display for Observing Sports Events Based on Camera Tracking Using Pattern of Ground
VMR '09 Proceedings of the 3rd International Conference on Virtual and Mixed Reality: Held as Part of HCI International 2009
Pose estimation from multiple cameras based on Sylvester's equation
Computer Vision and Image Understanding
Computer Vision and Image Understanding
BISi: a blended interaction space
CHI '11 Extended Abstracts on Human Factors in Computing Systems
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We propose a method for arbitrary view synthesis from uncalibrated multiple camera system, targeting large spaces such as soccer stadiums. In Projective Grid Space (PGS), which is a three-dimensional space defined by epipolar geometry between two basis cameras in the camera system, we reconstruct three-dimensional shape models from silhouette images. Using the three-dimensional shape models reconstructed in the PGS, we obtain a dense map of the point correspondence between reference images. The obtained correspondence can synthesize the image of arbitrary view between the reference images. We also propose a method for merging the synthesized images with the virtual background scene in the PGS. We apply the proposed methods to image sequences taken by a multiple camera system, which installed in a large concert hall. The synthesized image sequences of virtual camera have enough quality to demonstrate effectiveness of the proposed method.