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SIGGRAPH
2010
ACM
15 years 6 months ago
Motion-based video retargeting with optimized crop-and-warp
We introduce a video retargeting method that achieves high-quality resizing to arbitrary aspect ratios for complex videos containing diverse camera and dynamic motions. Previous c...
Yu-Shuen Wang, Hui-Chih Lin, Olga Sorkine, Tong-Ye...
CG
2007
Springer
15 years 2 months ago
Graphtracker: A topology projection invariant optical tracker
In this paper, we describe a new optical tracking algorithm for pose estimation of interaction devices in virtual and augmented reality. Given a 3D model of the interaction device...
Ferdi A. Smit, Arjen van Rhijn, Robert van Liere
110
Voted
CGF
2005
155views more  CGF 2005»
15 years 2 months ago
Light Waving: Estimating Light Positions From Photographs Alone
We present an algorithm to automatically estimate three-dimensional light positions from an unordered set of images. We collect images using a single stationary camera while manua...
Holger Winnemöller, Ankit Mohan, Jack Tumblin...
CGF
2004
116views more  CGF 2004»
15 years 2 months ago
A System for View-Dependent Animation
In this paper, we present a novel system for facilitating the creation of stylized view-dependent 3D animation. Our system harnesses the skill and intuition of a traditionally tra...
Parag Chaudhuri, Prem Kalra, Subhashis Banerjee
TVCG
1998
143views more  TVCG 1998»
15 years 1 months ago
Calibration-Free Augmented Reality
We describe the design and implementation of a videobasedaugmentedreality system capableof overlayingthreedimensional graphical objects on live video of dynamic environments. The ...
Kiriakos N. Kutulakos, James R. Vallino