Digital Image Processing

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