Image texture characterization using the discrete orthonormal S-transform

Sylvia Drabycz, Robert G. Stockwell, Joseph Ross Mitchell

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

We present a new efficient approach for characterizing image texture based on a recently published discrete, orthonormal space-frequency transform known as the DOST. We develop a frequency-domain implementation of the DOST in two dimensions for the case of dyadic frequency sampling. Then, we describe a rapid and efficient approach to obtain local spatial frequency information for an image and show that this information can be used to characterize the horizontal and vertical frequency patterns in synthetic images. Finally, we demonstrate that DOST components can be combined to obtain a rotationally invariant set of texture features that can accurately classify a series of texture patterns. The DOST provides the computational efficiency and multi-scale information of wavelet transforms, while providing texture features in terms of Fourier frequencies. It outperforms leading wavelet-based texture analysis methods.

Original languageEnglish (US)
Pages (from-to)696-708
Number of pages13
JournalJournal of Digital Imaging
Volume22
Issue number6
DOIs
StatePublished - Dec 2009
Externally publishedYes

Fingerprint

Image texture
Wavelet Analysis
Textures
Mathematical transformations
Computational efficiency
Wavelet transforms
Sampling

Keywords

  • 3D texture mapping
  • 3D wavelet transform
  • Algorithms
  • Biomedical image analysis
  • Brain imaging
  • Computer assisted detection
  • Computer-aided diagnosis (CAD)
  • Fourier analysis
  • Image analysis
  • Image processing
  • Magnetic resonance imaging
  • MR imaging

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Computer Science Applications

Cite this

Image texture characterization using the discrete orthonormal S-transform. / Drabycz, Sylvia; Stockwell, Robert G.; Mitchell, Joseph Ross.

In: Journal of Digital Imaging, Vol. 22, No. 6, 12.2009, p. 696-708.

Research output: Contribution to journalArticle

Drabycz, Sylvia ; Stockwell, Robert G. ; Mitchell, Joseph Ross. / Image texture characterization using the discrete orthonormal S-transform. In: Journal of Digital Imaging. 2009 ; Vol. 22, No. 6. pp. 696-708.
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