Towards task-based assessment of CT performance: System and object MTF across different reconstruction algorithms

Medical Physics

Volumn 39, Issue 7, 2012, Pages 4115-4122

  Richard, Samuel ^a   Husarik, Daniela B ^b   Yadava, Girijesh ^c   Murphy, Simon N ^a   Samei, Ehsan ^a  

^a DUKE UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b DUKE UNIVERSITY MEDICAL CENTER   (United States)

^c GE HEALTHCARE   (United States)

Author keywords

CT; detectability index; image quality assessment; iterative reconstruction; MTF; NEQ; NPS; quality assurance; statistical reconstruction

Indexed keywords

DISPLAY DEVICES; IMAGE RECONSTRUCTION; IMAGE RESOLUTION; ITERATIVE METHODS; NEPTUNIUM; OPTICAL TRANSFER FUNCTION; QUALITY ASSURANCE; WIRE;

COMPREHENSIVE ASSESSMENT; DETECTABILITY INDEX; FBP RECONSTRUCTED IMAGES; FILTERED BACK PROJECTION; IMAGE QUALITY ASSESSMENT; ITERATIVE RECONSTRUCTION; RECONSTRUCTION ALGORITHMS; STATISTICAL RECONSTRUCTION;

COMPUTERIZED TOMOGRAPHY;

EID: 84864249070     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.4725171     Document Type: Article

References (20)

1. B. Jacob, L. K. Harold, and L. V. M. Richard, Handbook of Medical Imaging, Volume 1. Physics and Psychophysics (SPIE, 2000).
2. C. E. Metz and K. Doi, " Transfer function analysis of radiographic imaging systems.," Phys. Med. Biol. 24 (6), 1079-1106 (1979). 10.1088/0031-9155/24/6/001
3. International Commision on Radiation Units and Measurements, " Prescribing, recording, and reporting photon beam therapy.," Supplement to ICRU Report No. 50 (ICRU, Washington, DC, 1999).
4. C. J. Bischof and J. C. Ehrhardt, " Modulation transfer function of the EMI CT head scanner.," Med. Phys. 4 (2), 163-167 (1977). 10.1118/1.594305
5. R. T. Droege and R. L. Morin, " A practical method to measure the MTF of CT scanners.," Med. Phys. 9 (5), 758-760 (1982). 10.1118/1.595124
6. E. L. Nickoloff and R. Riley, " A simplified approach for modulation transfer function determinations in computed tomography.," Med. Phys. 12 (4), 437-442 (1985). 10.1118/1.595706
7. S. Rathee, B. G. Fallone, and D. Robinson, " Modulation transfer function of digitally reconstructed radiographs using helical computed tomography.," Med. Phys. 29 (1), 86-89 (2002). 10.1118/1.1429622
8. E. Samei, M. J. Flynn, and D. A. Reimann, " A method for measuring the presampled MTF of digital radiographic systems using an edge test device.," Med. Phys. 25 (1), 102-113 (1998). 10.1118/1.598165
9. H. Fujita, " A simple method for determining the modulation transfer function in digital radiography.," IEEE Trans. Med. Imaging 11 (1), 34-39.(1992). 10.1109/42.126908
10. I. Mori and Y. Machida, " Deriving the modulation transfer function of CT from extremely noisy edge profiles.," Radiol. Phys. Technol. 2 (1), 22-32 (2009). 10.1007/s12194-008-0039-9
11. I. A. Cunningham and B. K. Reid, " Signal and noise in modulation transfer function determinations using the slit, wire, and edge techniques.," Med. Phys. 19 (4), 1037-1044 (1992). 10.1118/1.596821
12. E. Samei, A. Badano, D. Chakraborty, K. Compton, C. Cornelius, K. Corrigan, M. J. Flynn, B. Hemminger, N. Hangiandreou, J. Johnson, M. Moxley, W. Pavlicek, H. Roehrig, L. Rutz, J. Shepard, R. Uzenoff, J. Wang, and C. Willis, " Assessment of display performance for medical imaging systems.," Report of the American Association of Physicists in Medicine (AAPM) Task Group 18, 2005.
13. S. Richard and J. H. Siewerdsen, " Cascaded systems analysis of noise reduction algorithms in dual-energy imaging.," Med. Phys. 35 (2), 586-601 (2008). 10.1118/1.2826556
14. S. Richard and J. H. Siewerdsen, " Comparison of model and human observer performance for detection and discrimination tasks using dual-energy x-ray images.," Med. Phys. 35 (11), 5043-5053 (2008). 10.1118/1.2988161
15. J. B. Thibault, " A three-dimensional statistical approach to improved image quality for multislice helical CT.," Med. Phys. 34 (11), 4526-4544 (2007). 10.1118/1.2789499
16. J. H. Siewerdsen, I. A. Cunningham, and D. A. Jaffray, " A framework for noise-power spectrum analysis of multidimensional images.," Med. Phys. 29 (11), 2655-2671 (2002). 10.1118/1.1513158
17. D. J. Tward and J. H. Siewerdsen, " Cascaded systems analysis of the 3D noise transfer characteristics of flat-panel cone-beam CT.," Med. Phys. 35 (12), 5510-5529 (2008). 10.1118/1.3002414
18. International Commission on Radiation Units and Measurements, " Medical imaging-The assessment of image quality.," Report I (International Commission on Radiation Units and Measurements, Bethesda, MD, 1996).
19. R. Zeng and K. J. Myers, " Task-based comparative study of iterative image reconstruction methods for limited-angle x-ray tomography.," Proc. SPIE 7961, 796137 (2011). 10.1117/12.878098
20. A. Yendiki and J. A. Fessler, " Analysis of observer performance in unknown-location tasks for tomographic image reconstruction.," J. Opt. Soc. Am. A Opt. Image Sci. Vis. 24 (12), B99-B109 (2007). 10.1364/JOSAA.24.000B99