Curve Enhancement Using Orientation Fields

  • Authors:
  • Kristian Sandberg

  • Affiliations:
  • Computational Solutions, LLC, Boulder 80301

  • Venue:
  • ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part I
  • Year:
  • 2009

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Abstract

We present a new method for enhancing the contrast of curve-like structures in images, with emphasis on Transmission Electron Microscopy tomograms of biological cells. The method is based on the Orientation Field Transform, and we introduce new techniques for generating directions and weights of the orientation field. The new method for generating the orientation field focuses on analyzing local asymmetries in the image. We demonstrate that analyzing geometric attributes such as orientations and symmetries results in a robust method that is relatively insensitive to poor and non-uniform contrast.