Texture discrimination using discrete cosine transformation shift-insensitive (DCTSIS) descriptors

  title={Texture discrimination using discrete cosine transformation shift-insensitive (DCTSIS) descriptors},
  author={Richard Eugene Frye and Robert S. Ledley},
  journal={Pattern Recognition},
Many of the numerous texture measurements are based on space-frequency signal decomposition; these include Gabor "lters and wavelet-based methods. The discrete cosine transformation (DCT) extracts spatial-frequency (SF) components from a local image region. It is the basis for the JPEG image compression standard and has many fast algorithmic implementations. By using a sliding DCT we derive a SF representation for a region of interest (ROI) surrounding each image pixel. We show that the DCT coe… CONTINUE READING
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