Digital Image Processing

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Across
  1. 3. low pass filtering kernel has all values greater than _____
  2. 8. sum of kernel values at 0 will suppress _______
  3. 9. used to transform image domains
  4. 11. look-up table slope for high image contrast
  5. 12. controlled by window width
  6. 13. image postprocessing class that reduces image size
  7. 14. element of a digital image
  8. 18. does not involve alteration of raw data
  9. 20. image postprocessing class that improves image quality
  10. 21. high density area on image has low ________
  11. 23. filter retains high frequency data
  12. 25. non-functional pixel
  13. 26. type of compression where image detail lost
Down
  1. 1. histogram sliding and stretching
  2. 2. process with kernel and image
  3. 4. multiple sub-images involved in processing
  4. 5. effect of low-pass filter
  5. 6. a small matrix
  6. 7. size of window width that improves image contrast
  7. 10. profound effect on image final appearance
  8. 14. no input from radiographer
  9. 15. CT image domain
  10. 16. filter decomposes image into high- and low-frequency components
  11. 17. change negative (white bone) to positive (dark bone)
  12. 19. MRI image domain
  13. 22. histogram plots _____ levels
  14. 24. size of kernel that enhances small structures
  15. 25. image appearance when histogram values are concentrated at lower end