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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, ...
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 ...