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Motion Fields to Predict Play Evolution in Dynamic Sport Scenes
(Georgia Institute of Technology, 2010-06)
Videos of multi-player team sports provide a challenging
domain for dynamic scene analysis. Player actions and interactions
are complex as they are driven by many factors,
such as the short-term goals of the individual ...
Auto-Directed Video Stabilization with Robust L1 Optimal Camera Paths
(Georgia Institute of Technology, 2011-06)
We present a novel algorithm for automatically applying
constrainable, L1-optimal camera paths to generate stabilized
videos by removing undesired motions. Our goal is to
compute camera paths that are composed of constant, ...
Player Localization Using Multiple Static Cameras for Sports Visualization
(Georgia Institute of Technology, 2010-06)
We present a novel approach for robust localization of multiple
people observed using multiple cameras. We use
this location information to generate sports visualizations,
which include displaying a virtual offside line ...
Efficient Hierarchical Graph-Based Video Segmentation
(Georgia Institute of Technology, 2010-06)
We present an efficient and scalable technique for spatiotemporal
segmentation of long video sequences using a
hierarchical graph-based algorithm. We begin by oversegmenting
a volumetric video graph into space-time ...
Discontinuous Seam-Carving for Video Retargeting
(Georgia Institute of Technology, 2010-06)
We introduce a new algorithm for video retargeting that
uses discontinuous seam-carving in both space and time
for resizing videos. Our algorithm relies on a novel
appearance-based temporal coherence formulation that ...