PACS
In CR, the cassette is called what?
imaging plate
CR in medical imaging produces how many levels of gray?
10,000
what converts the output signal from the PSP plate from analog to digital?
computer controls
Represents zero or one
bit
What two things determine image file size?
gray scale and matrix
What is no longer needed for PACS?
storage for film
A CR image has _____________ exposure latitude and improved ______________ resolution.
wide; contrast
What is the average CR or DR image file?
200 MB
Device used to store information on a computer
silicon chip
What three things are part of post-processing?
pixel shift, image inversion, annotation
The process that transfers images to remote locations
teleradiography
used for latent image formation in CR
PSP (photostimulable phosphor)
What is a digital display device?
2 bytes make up a ______________ in computer language
a word
an image receptor with a high DQE can result in ____________ patient doses.
lower
Workstation that generates emails and text data
Radiology Information System (RIS)
what piece of equipment handles the PSP screen?
the reader
the largest standard size for a digital imaging plate
35 x 43 cm
developed for data coding in business
COBOL
Lossy compression reduces data files by how much?
10:1 (10%)
What are clients in a PACS network
the secretarial workstation and the viewing workstation
the principal source of noise in CR is?
scatter radiation
in digital radiography, the brightness of the image is determined by?
pixel values
The keyboard, central processing unit, and motherboard makes up what part of a computer?
Hardware
What is the basic photometric unit?
lumen