Abstract
Radiographic resolution and image sharpness are analyzed as a function of magnification for a few screen/film systems and a microfocal spot x�ray tube. Resolution and sharpness are described in terms of both MTF and effective aperture. The analysis demonstrates advantages of magnification for any combination of radiographic screen/film system and x�ray focal spot, and, in addition, allows one to compare different screen/film systems each used at different magnifications. Such an analysis is applicable to any radiographic system and may serve as a guide in selecting screen/film systems for use in magnification procedures.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 382-384 |
| Number of pages | 3 |
| Journal | Medical physics |
| Volume | 8 |
| Issue number | 3 |
| DOIs | |
| State | Published - May 1981 |
Keywords
- BIOMEDICAL RADIOGRAPHY
- GAUSS FUNCTION
- IMAGES
- MAGNIFICATION: Q2
- MODULATION
- SHARPNESS
- SPATIAL RESOLUTION
- TRANSFER FUNCTIONS
- X RADIATION
ASJC Scopus subject areas
- Biophysics
- Radiology Nuclear Medicine and imaging
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