Accuracy of a simple method for deriving the presampled modulation transfer function of a digital radiographic system from an edge image.

作者: Egbert Buhr , Susanne Günther-Kohfahl , Ulrich Neitzel

DOI: 10.1118/1.1598673

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摘要: … In this paper we report on a simple variant of the edge method that produces sufficiently accurate MTF values for frequencies up to the Nyquist frequency limit of the detector with little …

参考文章(12)
Wei Zhao, Ira Blevis, Stephen Germann, J. A. Rowlands, David Waechter, Zhongshou Huang, Digital radiology using active matrix readout of amorphous selenium: construction and evaluation of a prototype real-time detector. Medical Physics. ,vol. 24, pp. 1834- 1843 ,(1997) , 10.1118/1.598098
Frank Rogge, Dirk A. Vandenbroucke, Luc Struye, Hilde Bosmans, Peter Willems, Guy Marchal, Practical method for detected quantum efficiency (DQE) assessment of digital mammography systems in the radiological environment Medical Imaging 2002: Physics of Medical Imaging. ,vol. 4682, pp. 645- 655 ,(2002) , 10.1117/12.465609
I. A. Cunningham, B. K. Reid, Signal and noise in modulation transfer function determinations using the slit, wire, and edge techniques Medical Physics. ,vol. 19, pp. 1037- 1044 ,(1992) , 10.1118/1.596821
P. B. Greer, T. van Doorn, Evaluation of an algorithm for the assessment of the MTF using an edge method Medical Physics. ,vol. 27, pp. 2048- 2059 ,(2000) , 10.1118/1.1288682
W. Hillen, U. Schiebel, T. Zaengel, Imaging performance of a digital storage phosphor system Medical Physics. ,vol. 14, pp. 744- 751 ,(1987) , 10.1118/1.596127
Stephen E Reichenbach, Stephen K Park, Ramkumar Narayanswamy, Characterizing digital image acquisition devices Optical Engineering. ,vol. 30, pp. 170- 177 ,(1991) , 10.1117/12.55783
Paul R. Granfors, Richard Aufrichtig, Performance of a 41×41-cm2 amorphous silicon flat panel x-ray detector for radiographic imaging applications Medical Physics. ,vol. 27, pp. 1324- 1331 ,(2000) , 10.1118/1.599010
Ehsan Samei, Michael J. Flynn, David A. Reimann, A method for measuring the presampled MTF of digital radiographic systems using an edge test device Medical Physics. ,vol. 25, pp. 102- 113 ,(1998) , 10.1118/1.598165
Maryellen Lissak Giger, Kunio Doi, Investigation of basic imaging properties in digital radiography. I. Modulation transfer function Medical Physics. ,vol. 11, pp. 287- 295 ,(1984) , 10.1118/1.595629