Digital Image Processing

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