Worksheet 24-2 - Digital Image Display

Name 5 factors affecting image quality when viewing soft-copy images.

1. Resolution 2. Luminance 3. Contrast 4. Uniformity 5. Glare

What types of monitors are used for soft-copy display?

CRT and LCD flat screen monitors are used for soft-copy display. High-resolution monitors of 2K (2048 x 2048 pixels) or LCD monitors are used by radiologists for diagnosis; lower-resolution monitors (1K) are generally used by technologists and referring physicians.

What is hard-copy display?

Images that are visualized in film. Hard-copy images are typically produced using laser printers or dry processors.

What is soft-copy display?

Images visualized on monitors, usually flat panel technology, although there are still some older cathode tube (CRT) monitors.

What are the advantages to using LCD monitors for soft-copy display instead of a CRT?

LCDs offer the highest resolution, are thinner, display a higher luminescence than CRTs, and exhibit less reflection.