A simple theorem relating noise and patient dose in computed tomography

Medical Physics

Volumn 26, Issue 11, 1999, Pages 2231-2234

  Harpen, Michael D ^a  

^a Department of Radiology ^*  (United States)

Author keywords

CT; Noise; X ray filters

Indexed keywords

X RAYS;

BEAM-SHAPING; BOW TIE; IMAGE NOISE; NOISE; PATIENT DOSE; SIMPLE MODELING; X RAY BEAM; X-RAY FILTERS;

COMPUTERIZED TOMOGRAPHY;

ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; COMPUTER SIMULATION; FILTER; IMAGE RECONSTRUCTION; MODEL; NOISE; PRIORITY JOURNAL; RADIATION BEAM; RADIATION DOSE; THEORY; X RAY;

EID: 0032692240     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.598778     Document Type: Article

References (6)

1. E. Seeram, Computed Tomography: Physical Principles, Clinical Applications and Quality Control (W.B. Saunders, Philadelphia, 1994), pp. 96-98.
2. M. D. Harpen, "A computer simulation of wavelet noise reduction in computed tomography," Med. Phys. 26, 1600-1606 (1999).
3. R. A. Brooks, "Computational principles of transmission CT," in Medical Physics of CT and Ultrasound, edited by G. D. Fullerton and J. A. Zagzebski (American Institute of Physics, New York, 1980).
4. S. Napel, "Computed tomography image reconstruction," in Medical CT and Ultrasound: Current Technology and Applications, edited by L. W. Goldman and J. B. Fowlkes (Advanced Medical, Madison, Wisconsin, 1995).
5. G. Arfken, Mathematical Methods for Physicists (Academic, New York, 1985), pp. 945-948.
6. MATHCAD, Math Soft Inc., 101 Main Street, Cambridge, MA 02142.