Show:
ACRONYMS
Characteristics of a Digital Image
ACRONYMS 2.0
Image Quality
MISC
100
PACS
What is Picture Archiving and Communications System
100
A square arrangement of numbers in columns and rows.
What is a matrix
100
The measurement of the radiation that was incident on the IR for an exposure.
What is KIND
100
Image's appearance on a display monitor.
What is brightness
100
This refers to the range of exposure diagnostic image values the image detector is able to produce.
What is exposure latitude
200
FPD
What is Flat Panel Detector
200
The amount of body part or patient included in the image.
What is FOV (field of view)
200
The difference between the actual exposure (KIND) and the target exposure (KTGT).
What is DI (deviation index)
200
Ability of a digital system to display subtle changes in shades of gray.
What is contrast resolution
200
What does DQE stand for?
What is Detective Quantum Efficiency
300
PSP
What is Photostimulable Phosphor System
300
Information contained in a volume of tissue converted into numerical values and represented in pixels.
What is a voxel.
300
Kinetic energy released per unit mass; measures radiation energy that is absorbed in a unit of air.
What is air kerma.
300
Ability of the imaging system to demonstrate small details of an object.
What is spatial resolution
300
In imaging, anything that interferes with the formation of the image.
What is noise
400
CCD
What is Charged Coupled Device
400
Number of bits within a pixel.
What is pixel bit depth.
400
Set of values that represents an optimal exposure for each specific body part and view.
What is KTGT (target equivalent air kerma value)
400
Process used by technologist to adjust screen resolution.
What is window width
400
The ability to respond to varying levels of exposure.
What is dynamic range (DI)
500
ADC
What is Analog to Digital Converter
500
Smallest element in a digital image.
What is a pixel.
500
Standard exposure typical of the image receptor system.
What is KSTD (standardized radiation exposure)
500
Technologist can adjust the brightnessof an image using this technique.
What is window level
500
What does MTF stand for?
What is Modulation Transfer Function