Features Invariant Simultaneously to Convolution and Affine Transformation

  • Authors:
  • Tomás Suk;Jan Flusser

  • Affiliations:
  • -;-

  • Venue:
  • CAIP '01 Proceedings of the 9th International Conference on Computer Analysis of Images and Patterns
  • Year:
  • 2001

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Abstract

The contribution is devoted to the recognition of objects and patterns deformed by imaging geometry as well as by unknown blurring. We introduce a new class of features invariant simultaneously to blurring with a centrosymmetric PSF and to affine transformation. As we prove in the contribution, they can be constructed by combining affine moment invariants and blur invariants derived earlier. Combined invariants allow to recognize objects in the degraded scene without any restoration.