Exam 18: Viewing the Digital Image

Almost all digital images in medical imaging are viewed and interpreted on a __________________.

A digital display device with higher megapixels has better spatial resolution.

The national standard for image transmission in teleradiology is the ____________ format.

Reregistering an image to correct for patient motion is done with ________________.

Flatfielding is accomplished through automatic calibration images called _____________ and _______________.

What is the basic photometric unit?

Compared to CRTs, AMLCDs have __________________.

A liquid crystal is a material in a ______________________ state.

The science of ______________ is the study of the response of the human eye to light.

Almost all medical flat panel digital display devices are _______________.

Post-processing includes all of the following except _________________.

__________________ is corrected by the application of an offset voltage.

The ambient light at a digital image workstation should be ______________.

A computation of the mean pixel value within a region-of-interest is performed for ____________________.

Preprocessing the digital image is done _____________, and post-processing is done ______________.

Image file size is determined by ________ size and gray scale.

What is the file size of an image with a 1026 × 1026 matrix and a 2.5 byte gray scale depth?

Text data and email are generated at a _____________________________ workstation in PACS.

Within a PACS network the secretarial workstation and the viewing workstation would both be called ________________.

Which is not a part of PACS?