The effect of type of filters and collimators on the SPECT axis of rotation error

• Autorzy: Sadremomtaz A. , Taherparvar P. , Saiad H.
• Języki publikacji: EN

Abstrakty

EN

High resolution and artifact free SPECT reconstruction of the distribution of radioactive sources over the entire imaging field requires exact alignment between the electronic and the mechanical axis of rotations. In this paper, the effect of misalignment between the electronic and the mechanical axis of rotations of SPECT system equipped with low-energy high-resolution and low-energy general-purpose collimators through the field of view has been studied. In addition, the useful dimensions of the SPECT field of view without artifact due to axis of rotation error have been calculated. Furthermore, the roles of digital filters in reducing this effect have been studied.

Słowa kluczowe

EN

SPECT; LEHR collimator; LEGP collimator

PL

SPECT; kolimator LEHR; kolimator LEGP

• Wydawca: Nałęcz Institute of Biocybernetics and Biomedical Engineering of the Polish Academy of Sciences ; Elsevier
• Czasopismo: Biocybernetics and Biomedical Engineering
• Rocznik: 2013
• Tom: Vol. 33, no. 3
• Strony: 156--163
• Opis fizyczny: Bibliogr. 15 poz., wykr.

Twórcy

autor

Sadremomtaz A.

• Physics Department, University of Guilan, Namjoo Street, PO Box: 41365-1159, Rasht, Guilan, Iran

autor

Taherparvar P.

• Physics Department, University of Guilan, Namjoo Street, PO Box: 41365-1159, Rasht, Guilan, Iran

autor

Saiad H.

• Physics Department, University of Guilan, Namjoo Street, PO Box: 41365-1159, Rasht, Guilan, Iran

Bibliografia

• [1] Khalil M. Basic Sciences of Nuclear Medicine. Berlin: Springer; 2011.
• [2] Saha GB. Fundamentals of Radiopharmacy, 5th Edition, Berlin: Springer; 2004.
• [3] Sharp PF, Gemmell HG, Murray AD, editors. Practical Nuclear Medicine. 3rd Edition, London: Springer; 2005.
• [4] Zeng GL. Image reconstruction – a tutorial. Comput Med Imag Grap 2001; 25: 97–103.
• [5] Cherry SR, Sorenson JA, Phelps ME. Physics in Nuclear Medicine, 3rd Edition, Philadelphia: Saunders; 2003.
• [6] Wernick MN, Aarsvold J, editors. Emission Tomography: The Fundamentals of SPECT and PET. 1st Edition, San Diego: Elsevier; 2004.
• [7] Harrison C. Single photon emission computed tomography and its use in neuroimaging: a review for optometrists. Clin Eye Vis Care 1999; 11: 139–47.
• [8] Zeng GL. Image reconstruction: a tutorial. Comput Med Imag Grap 2001; 25: 97–103.
• [9] Kunyansky LA. A new SPECT reconstruction algorithm based on the Novikov explicit inversion formula. Inverse Probl 2001; 17: 293–306.
• [10] Smith MF, Floyd CE, Jaszczak RJ, Coleman RE. Reconstruction of SPECT images using generalized matrix inverses. IEEE T Med Imaging 1992; 11(2): 165–75.
• [11] Laerea KV, Koole M, Lemahieu I, Dierckx R. Image filtering in single-photon emission computed tomography: principles and applications. Comput Med Imag Grap 2001; 25: 127–33.
• [12] Germano G. Technical aspects of myocardial SPECT imaging. J Nucl Med 2001; 42(10): 1499–507.
• [13] Groch MW, Erwin WD. Single-photon emission computed tomography in the year 2001: instrumentation and quality control. J Nucl Med 2001; 29: 9–15.
• [14] IAEA. Human Health Series No. 6: Quality assurance for SPECT systems. Vienna: International Atomic Energy Agency; 2009.
• [15] Cerqueira MD, Matsuoka D, Ritchie JL, Harp GD. The influence of collimators on SPECT center of rotation measurements: artifact generation and acceptance testing. J Nucl Med 1988; 29: 1393–7.