Test your basic knowledge |

Digital Image Processing

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Increased noise = _____ image contrast.






2. A high contrast image has a ___ frequency.






3. What is the equation for determining gray scale bit depth?






4. Extremely narrow window width requires the computer to ignore a ___ ____ of data outside the chosen range.






5. What is required for collection of input information?






6. DICOM imaging now includes compatibility via a database system that includes linage of the patient images with the patient's EMR. This database system is called what?






7. What 3 things were required prior to digital computer applications in medical imaging?






8. Computers operate from ____ ____ language.






9. What is critical to how fast the computer system can function?






10. What permit input/output of information to or from the CPU?






11. What is the frequency response of the incoming signal called?






12. The computer either ____ or ____ selected frequencies during the filtering process.






13. The _____ the matrix size - the better the resolution.






14. Changes in window width are sometimes called gray scale ____ or ____.






15. What permit input/output of information to or from the CPU?






16. All medical imaging is achieved with which type of computers?






17. What is the name of the 'modern electronic computer'?






18. What is the process used in low-pass filtering that is accomplished by averaging adjacent pixels values?






19. What is a square series of boxes that gives form to the image?






20. Extremely wide window width requires the computer to ignore ___ contrast differences in order to display the entire range of data.






21. What is required for collection of input information?






22. What is an individual matrix box or picture element?






23. What is the system of conductors that connects the various components of a computer system and permits the CPU to accept inputs from any point along the conductor?






24. Digitalization of analog information (increases / reduces) the quality and quantity of information?






25. Window width and contrast have an ____ relationship.






26. What determines resolution?






27. Which type of filter amplifies or deletes all but low frequencies - appears to reduce contrast - and is often used to remove high frequency nose.






28. What are the two types of information computers use?






29. When subject contrast is high - the acquired data contrast will be ____.






30. What are the 3 classifications of digitized image filters?






31. Modalities differ in bit depth that is available depending on the capabilities of what?






32. What 3 things were required prior to digital computer applications in medical imaging?






33. ____ circuits permit simultaneous transmission of information while ____ circuits transmit sequentially.






34. Because the range of stored densities is so much wider than the visual range - any digital image is only a small part of the total data obtained - each image is a _____ on the total range of data.






35. What is the primary limitation with the resolution on digital images?






36. What directs information to and from various parts of the computer?






37. If window width increases - image contrast will ____.






38. Digitalization of analog information (increases / reduces) the quality and quantity of information?






39. Which type of filter amplifies or deletes all but the high frequencies - appears to increase contrast - and is useful in vascular imaging or digital mammo.






40. Scanners - mouse - keyboard - input memory disk drive - and paper printers are all forms of what?






41. A low contrast image has a ___ frequency.






42. Who or What is responsible for density changes on a digital image? On a manual image






43. Computer equipment is called what?






44. What are the two types of information computers use?






45. What type of scanning increases resolution but can't be used in real-time dynamic studies?






46. Which computers handle data composed of continuously varying electrical currents?






47. What is the frequency response of the incoming signal called?






48. Computer memory is often rated in terms of total ____ memory.






49. In what time period did microchip technology come out?






50. What is the name of the 'modern electronic computer'?







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests