Conditioning data for calculation of the modulation transfer function.
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.
Maidment
Andrew D A
AD
Department of Radiology, Thomas Jefferson University, Suite 3390 Gibbon Building, 111 South 11th Street, Philadelphia, Pennsylvania 19107-5563, USA. Andrew.Maidment@mail.tju.edu
Albert
Michael
M
D000465:Algorithms; D016477:Artifacts; D003198:Computer Simulation; D005583:Fourier Analysis; D007089:Image Enhancement / Q000379:methods*; D008327:Mammography / Q000379:methods; D011786:Quality Control; D011856:Radiographic Image Enhancement / Q000379:methods; D018401:Sample Size; D012815:Signal Processing, Computer-Assisted