Resolution in radiographic magnification | Zendy

Wagner Louis K. | Zendy; Cohen Gerald | Zendy; Wong WaiHoi | Zendy; Amtey Sharad R. | Zendy

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Resolution in radiographic magnification

Author(s) -

Wagner Louis K.,

Cohen Gerald,

Wong WaiHoi,

Amtey Sharad R.

Publication year - 1981

Publication title -

medical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.473

H-Index - 180

eISSN - 2473-4209

pISSN - 0094-2405

DOI - 10.1118/1.594962

Subject(s) - magnification , radiography , optics , resolution (logic) , optical transfer function , aperture (computer memory) , computed radiography , image resolution , computer science , image quality , physics , computer vision , medicine , radiology , artificial intelligence , acoustics , image (mathematics)

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.

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