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Conditioning data for calculation of the modulation transfer function
Author(s) -
Maidment Andrew D. A.,
Albert Michael
Publication year - 2003
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 - 10.1118/1.1534111
Subject(s) - optical transfer function , transfer function , monotonic function , detector , modulation (music) , function (biology) , optics , constraint (computer aided design) , enhanced data rates for gsm evolution , computer science , electronic engineering , algorithm , physics , mathematics , telecommunications , mathematical analysis , acoustics , engineering , electrical engineering , evolutionary biology , biology , geometry
A method for conditioning data used in the measurement of the modulation transfer function (MTF) is discussed. This method is based upon imposing the constraint that the edge spread function (ESF) is monotonic. The advantages of this technique, when applicable, are demonstrated with simulated examples for which the true MTF is known. The application of this technique in the measurement of the MTF of a digital detector in clinical use is also demonstrated.