DIGITAL IMAGE PROCESSING EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2024 – 2025 ALREADY GRADED A+
Exception to the look-up table: - ANSWERS-will get a non-diagnostic image if
overexpose patient and it doesn't match the histogram
Changes the contrast and brightness of the image on the monitor - ANSWERS-
windowing
Range of the numbers (brightness) that will be displayed; controls contrast -
ANSWERS-window width
Narrow window width: has _____ brightness levels, which results in _______
contrast - ANSWERS-few
high
, Wide window width: has ______ brightness levels which results in _______
contrast - ANSWERS-many
low
Center of the window; controls brightness - ANSWERS-window level
Show contrast-filled blood vessels with the other structures removed in order to
enhance the diagnosis - ANSWERS-image subtraction
Subtraction of images in time; involves averaging a set of images to reduce image
noise - ANSWERS-temporal averaging
2 bit ADC will convert the analog signal into _____ equal parts, resulting in _____
gray levels - ANSWERS-4, 4
8 bit ADC will convert the analog signal into _____ equal parts, resulting in _____
gray levels - ANSWERS-256, 256
Digital imaging modalities have ______ to ______ bit ADCs - ANSWERS-8 to 32
The greater the number of ______, the more accurately the _______ from the
detectors can be digitized - ANSWERS-bits, digitized
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2024 – 2025 ALREADY GRADED A+
Exception to the look-up table: - ANSWERS-will get a non-diagnostic image if
overexpose patient and it doesn't match the histogram
Changes the contrast and brightness of the image on the monitor - ANSWERS-
windowing
Range of the numbers (brightness) that will be displayed; controls contrast -
ANSWERS-window width
Narrow window width: has _____ brightness levels, which results in _______
contrast - ANSWERS-few
high
, Wide window width: has ______ brightness levels which results in _______
contrast - ANSWERS-many
low
Center of the window; controls brightness - ANSWERS-window level
Show contrast-filled blood vessels with the other structures removed in order to
enhance the diagnosis - ANSWERS-image subtraction
Subtraction of images in time; involves averaging a set of images to reduce image
noise - ANSWERS-temporal averaging
2 bit ADC will convert the analog signal into _____ equal parts, resulting in _____
gray levels - ANSWERS-4, 4
8 bit ADC will convert the analog signal into _____ equal parts, resulting in _____
gray levels - ANSWERS-256, 256
Digital imaging modalities have ______ to ______ bit ADCs - ANSWERS-8 to 32
The greater the number of ______, the more accurately the _______ from the
detectors can be digitized - ANSWERS-bits, digitized
