SuperFloxels: a mid-level representation for video sequences

Authors:
Avinash Ravichandran;Chaohui Wang;Michalis Raptis;Stefano Soatto
Affiliations:
Vision Lab, UCLA;Vision Lab, UCLA;Disney Research, Pittsburgh;Vision Lab, UCLA
Venue:
ECCV'12 Proceedings of the 12th international conference on Computer Vision - Volume Part III
Year:
2012

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Abstract

We describe an approach for grouping trajectories extracted from a video that preserves motion discontinuities due, for instance, to occlusions, but not color or intensity boundaries. Our method takes as input trajectories with variable length and onset time, and outputs a membership function as well as an indicator function denoting the exemplar trajectory of each group. This can be used for several applications such as compression, segmentation, and background removal.