Image Thresholding by Indicator Kriging

  • Authors:
  • Wonho Oh;W. Brent Lindquist

  • Affiliations:
  • State Univ. of New York at Stony Brook, Stony Brook;State Univ. of New York at Stony Brook, Stony Brook

  • Venue:
  • IEEE Transactions on Pattern Analysis and Machine Intelligence
  • Year:
  • 1999

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Abstract

We consider the problem of segmenting a digitized image consisting of two univariate populations. Assume a priori knowledge allows incomplete assignment of voxels in the image, in the sense that a fraction of the voxels can be identified as belonging to population $\Pi_0$, a second fraction to $\Pi_1$, and the remaining fraction have no a priori identification. Based upon estimates of the short length scale spatial covariance of the image, we develop a method utilizing indicator kriging to complete the image segmentation.