Interactive rotoscoping through scale-space random walks

Authors:
Richard Rzeszutek;Thomas El-Maraghi;Dimitrios Androutsos
Affiliations:
Department of Electrical and Computer Engineering, Ryerson University, Toronto, Ontario;Department of Electrical and Computer Engineering, Ryerson University, Toronto, Ontario;Department of Electrical and Computer Engineering, Ryerson University, Toronto, Ontario
Venue:
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
Year:
2009

Citing 4
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Abstract

We present a novel rotoscoping method that provides accurate object boundaries while still remaining simple to use. We have designed this method so that a user familiar with existing, spline-based rotoscoping techniques will not need to significantly modify their workflow. Our method utilizes a modified version of the Random Walks segmentation algorithm, known as Scale-Space Random Walks (SSRW), to provide a level of accuracy simply not possible using splines alone. Furthermore, due to the nature of the SSRW algorithm, we are able to provide a realtime, or near realtime, level of interaction with the user.