Consistent interactive augmentation of live camera images with correct near-field illumination
Proceedings of the 2007 ACM symposium on Virtual reality software and technology
An all-in-one solution to geometric and photometric calibration
ISMAR '06 Proceedings of the 5th IEEE and ACM International Symposium on Mixed and Augmented Reality
Augmented reality based on estimation of defocusing and motion blurring from captured images
ISMAR '06 Proceedings of the 5th IEEE and ACM International Symposium on Mixed and Augmented Reality
Increasing camera pose estimation accuracy using multiple markers
ICAT'06 Proceedings of the 16th international conference on Advances in Artificial Reality and Tele-Existence
EGVE'06 Proceedings of the 12th Eurographics conference on Virtual Environments
Components for bidirectional augmented broadcasting services on smart TVs
Multimedia Tools and Applications
Exploring attractions and exhibits with interactive flashlights
Personal and Ubiquitous Computing
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This paper proposes a vision-based augmented reality system with correct representation of attached and cast shadows.To realize a seamless augmented reality system, we need to resolve a number of problems.Especially, the geometric and photometric registration problems are important. These problems require to estimate the positions of light sources and user's viewpoint.The proposed system resolves the problems using a 3D marker which combines a 2D square marker and a mirror ball.The 2D marker and the mirror ball are used to estimate the relationship between the real and virtual worlds and the positions of light sources in the real world, respectively.