Quiz 19/20 (Bush) Flashcards
Image perception is a scientific term for what we call visual ______________.
sensitivity
The decreasing luminous intensity with increasing distance from the source of light follows _____________________.
the inverse square law
The ambient light levels in the reading area should be ______________.
near darkness
The special demands of digital imaging are ________________ and _____________.
postprocessing; numerical analysis
A principal advantage of digital imaging over analog imaging is ____________________.
image brightness
Light incident on the eye must first pass through the _________________.
cornea
When light arrives at the retina, it is detected by the __________________.
rods and cones
Photopic vision is used for ______________________.
daylight vision
The interpretation of a digital medical image by a radiologist is a two-step process; _________________ followed by ______________.
global impression; visual search
The process of matching any worker to the work environment to maximize efficiency is ______.
ergonomics
Digital radiography is superior to analog radiography because of __________________.
image brightness
T or F: Visual accommodation is a term related to changes we make voluntarily and involuntarily in order to improve our image perception.
true
SMPTE stands for the _____________________________________.
Society of Motion Picture and Television Engineers
A standard pattern made to measure the resolution of digital display systems is called the _______________________.
SMPTE pattern
Medical images are transferred using the ____________ standard.
DICOM