Biometric Security - Crossword

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Across
  1. 5. The Hough transform can be described as a transformation of a point in the x,y-plane to the _______ space.
  2. 6. Gabor filters satisfy ________ principle.
  3. 7. Second-order gray-level statistics is described by ________matrix.
  4. 8. In a texture the _________ distribution stays the same.
  5. 10. A ________ graph is used in ear localization.
  6. 13. ↓is a _________ operator in Gaussian pyramid.
  7. 15. Gabor filters are the products of a Gaussian filter with _______
  8. 17. In the gaussian filter representation P denotes the phase of ________ carrier.
  9. 18. The number of leaf nodes in a second level graphical representation of Haar Wavelet decomposition.
  10. 19. One of the disadvantages of UNI-MODAL Bio-metric system.
  11. 20. Matching module uses this to distinguish between genuine and imposter range.
Down
  1. 1. DOG (Difference of Gaussian) uses the approximation of _____ of Gaussian.
  2. 2. ______ points are used to calculate the region of interest in Pre-Processing of Palm print verification system.
  3. 3. ROC curve plots _ _ _ against _ _ _.
  4. 4. One of the essential bio-metric characteristics.
  5. 9. In _______ filters the output of one filter is independent of others.
  6. 11. In texture discrimination we divide intensities to ________ ranges.
  7. 12. The preprocessing module first transforms the true color into _____ image.
  8. 14. The Gaussian function (1-D) of the Gabor filter will not affect the edge information in the ________direction.
  9. 16. In texture edge extraction using set of 1-D Gabor filters, the bank of 1-D Gabor filters gives ______ image.