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