Interactive video layer decomposition and matting

  • Authors:
  • Yanli Li;Zhong Zhou;Wei Wu

  • Affiliations:
  • State Key Lab. of Virtual Reality Technology and Systems, Beihang University and School of Computer Science and Engineering;State Key Lab. of Virtual Reality Technology and Systems, Beihang University and School of Computer Science and Engineering;State Key Lab. of Virtual Reality Technology and Systems, Beihang University and School of Computer Science and Engineering

  • Venue:
  • ACCV'10 Proceedings of the 2010 international conference on Computer vision - Volume part II
  • Year:
  • 2010

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Abstract

The problem of accurate video layer decomposition is of vital importance in computer vision. Previous methods mainly focus on the foreground extraction. In this paper, we present a user-assisted framework to decompose videos and extract all layers, which is built on the depth information and over-segmented patches. The task is split into two stages: i) the clustering of over-segmented patches; ii) the propagation of layers along the video. Correspondingly, this paper has two contributions: i) a video decomposition method based on greedy over-segmented patches merging; ii) a layer propagation method via iteratively updating color Gaussian Mixture Models(GMM). We test this algorithm on real videos and verify that it outperforms state-of-the-art methods.