Direct space-time trajectory control for visual media editing

Authors:
Stephanie Santosa;Fanny Chevalier;Ravin Balakrishnan;Karan Singh
Affiliations:
University of Toronto, Toronto, Ontario, Canada;University of Toronto, Toronto, Ontario, Canada;University of Toronto, Toronto, Ontario, Canada;University of Toronto, Toronto, Ontario, Canada
Venue:
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Year:
2013

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Abstract

We explore the design space for using object motion trajectories to create and edit visual elements in various media across space and time. We introduce a suite of pen-based techniques that facilitate fluid stylization, annotation and editing of space-time content such as video, slide presentations and 2D animation, utilizing pressure and multi-touch input. We implemented and evaluated these techniques in DirectPaint, a system for creating free-hand painting and annotation over video.