Across
- 1. distortion or error in an image not related to subject being studied
- 4. how efficiently a system works to display an image
- 6. rows and columns of pixels
- 8. preserves image contrast as a function of digital detector resolution
- 9. controlled by filtration and kVp
- 10. readout estimating patient exposure level
- 12. an increase in this will decrease receptor exposure due to scatter absorption
- 15. controlled/effected by mAs, kVp, SID and filtration
- 16. from the center of one pixel to the center of the adjacent pixel
- 17. percentage of useful signal to non-useful signal
- 20. picture element
- 21. percentage of DEL for xray absorption
- 22. moderately heavy patient build
- 24. as low as reasonably achievable
- 27. number of bits per pixel
- 28. current
- 29. form of shape distortion where things look longer
- 31. electric potential
- 32. form of shape distortion where things look shorter
- 34. frail patient build
- 35. misrepresentation of size or shape of object
Down
- 2. how sensitive the imaging system is
- 3. manipulates brightness
- 5. range of techniques that produce a quality image at an appropriate dose
- 7. different intensities in xray beam due to patient characteristics
- 11. type of artifact that occurs with extraction of xrays from IR
- 13. doubling the distance will reduce the dose by 4x
- 14. massive patient build
- 18. exposure on IR
- 19. insufficient signal strength
- 22. sharpness of an image
- 23. range of exposures that can be captured by the IR
- 25. quantity of xrays that reach the IR
- 26. size distortion caused by excess OID or insufficient SID
- 30. manipulates the grayscale
- 33. difference between two adjacent brightness levels