Abstract
This paper describes the results of the comparison of 5 film digitizers designed for medical application to find an appropriate film digitizer for a project involving display of mammograms on a high performance CRT. Two of the digitizers were of the laser-scanning type while 3 were based on CCD technology. The comparison included estimates of linearity, uniformity, signal-to-noise ratio and spatial resolution in terms of the Modulation Transfer Function (MTF). The digitizers investigated show vastly different results. No system excelled in all performance parameters. A laser scanning digitizer was chosen for the planned display project because (1) it had the best linearity (down to OD 4); (2) it had the highest SNR at OD 4; (3) it had a comparatively good MTF.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 694-703 |
| Number of pages | 10 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 4682 |
| DOIs | |
| State | Published - 2002 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Instrumentation
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
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