Image specific feature similarities

  • Authors:
  • Ido Omer;Michael Werman

  • Affiliations:
  • School of Computer Science, The Hebrew University of Jerusalem, Jerusalem, Israel;School of Computer Science, The Hebrew University of Jerusalem, Jerusalem, Israel

  • Venue:
  • ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part II
  • Year:
  • 2006

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Abstract

Calculating a reliable similarity measure between pixel features is essential for many computer vision and image processing applications. We propose a similarity measure (affinity) between pixel features, which depends on the feature space histogram of the image. We use the observation that clusters in the feature space histogram are typically smooth and roughly convex. Given two feature points we adjust their similarity according to the bottleneck in the histogram values on the straight line between them. We call our new similarities Bottleneck Affinities. These measures are computed efficiently, we demonstrate superior segmentation results compared to the use of the Euclidean metric.