CR
What are the 3 Common PSP phosphors?
Barium Fluorohalide Bromides
Barium Fluorohalide Iodides
Europium
When was the Fixed kVp, variable mAs developed and by who?
Developed by Fuchs in 1943
Two General Classes of DR:
Indirect & Direct
Describe Sampling
The detection and measurement of the intensity of the electronic signal coming from each pixel
Electron Masking can be manual and automatic
True or False?
True
Where is the latent image production stored?
The F centers
What is Data Drop?
Producing misrepresentation of patient information on an image
Amorphous Selenium
Image field size is affected by:
Unsharp masking or blurring is a local processing operation
True or False?
True
The Pixel Bit Depth is controlled by this:
ADC
Name 2 Digital Artifact Types:
Light Spots & Ghost images
CMOS is:
Complementary metal oxide semiconductor
The digital detector has this kind of response to exposure
Linear
Higher DQE = Higher dose
True or False?
False, lower dose
what else is Data processing also known as:
Preprocessing
What is Electron Masking?
A popular post processing tool
Processing techniques applied for image acquisition if selected are:
Spatial location and Frequency processing
High SNR equals this which is what for an image
Low noise which is good for image results
There are no weight limit restrictions for DR panels
True or False?
False
What does Image Stitching associate itself with?
Scoliosis & Leg Length studies
What is Diagnostic Efficacy?
the faithful representation of the patient on a medical radiograph.
What is the relation between spatial resolution and DEL dimension ?
Indirect
Calculations applied to a small group of pixels
Kernels
K-edge attenuation is best between 20-40 keV?
True or False?
False, 35-50