Gap-filling for the high-resolution PET sinograms with a dedicated DCT-domain filter

IEEE Transactions on Medical Imaging

Volumn 29, Issue 3, 2010, Pages 830-839

  Tuna, Uygar ^a   Peltonen, Sari ^a   Ruotsalainen, Ulla ^a  

^a TAMPERE UNIVERSITY OF TECHNOLOGY   (Finland)

Author keywords

Constrained Fourier space (CFS) method; Cosine domain data estimation; High resolution research tomograph (ECAT HRRT); Interpolation; Missing projection; Positron emission tomography (PET); Quantitative evaluation; Region of interest (ROI)

Indexed keywords

DATA ESTIMATION; ECAT HRRT; FOURIER SPACE; HIGH-RESOLUTION RESEARCH TOMOGRAPH; MISSING PROJECTION; QUANTITATIVE EVALUATION; REGION OF INTEREST;

COSINE TRANSFORMS; DISCRETE COSINE TRANSFORMS; FILLING; FOURIER TRANSFORMS; INTERPOLATION; NUCLEAR MEDICINE; POSITRONS; RESEARCH; SCANNING;

POSITRON EMISSION TOMOGRAPHY;

CARBON; RACLOPRIDE;

ARTICLE; BRAIN; COMPUTER SIMULATION; FACTUAL DATABASE; FOURIER ANALYSIS; HUMAN; IMAGE PROCESSING; IMAGE QUALITY; METHODOLOGY; PHYSIOLOGY; POISSON DISTRIBUTION; POSITRON EMISSION TOMOGRAPHY;

BRAIN; CARBON ISOTOPES; COMPUTER SIMULATION; DATABASES, FACTUAL; FOURIER ANALYSIS; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; PHANTOMS, IMAGING; POISSON DISTRIBUTION; POSITRON-EMISSION TOMOGRAPHY; RACLOPRIDE;

EID: 77749264345     PISSN: 02780062     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMI.2009.2037957     Document Type: Article

References (7)

1. K. Wienhard, M. Schmand, M. E. Casey, K. Baker, J. Bao, L. Eriksson, W. F. Jones, C. Knoess, M. Lenox, M. Lercher, P. Luk, C. Michel, J. H. Reed, N. Richerzhagen, J. Treffert, S. Vollmar, J. W. Young, W. D. Heiss, and R. Nut, "The ECAT HRRT: Performance and first clinical application of the new high resolution research tomograph," IEEE Trans. Nucl. Sci., vol.49, no.1, pp. 104-110, Feb. 2002.
2. H. W. A. M. de Jong, F. H. P. van Velden, R. W. Kloet, F. L. Buijis, R. Boellaard, and A. A. Lammertsma, "Performance evaluation of the ECAT HRRT: An LSO-LYSO double layer high resolution, high sensitivity scanner," Phys. Med. Biol., vol.52, pp. 1505-1526, 2007.
3. H. W. A. M. de Jong, R. Boellaard, C. Knoess, M. Lenox, C. Michel, M. Casey, and A. A. Lammertsma, "Correction methods for missing data in sinograms of the HRRT PET scanner," IEEE Trans. Nucl. Sci., vol.50, no.5, pp. 1452-1456, Oct. 2003.
4. J. S. Karp, G. Muehllehner, and R. M. Lewitt, "Constrained Fourier space method for compensation of missing data in emission computed tomography," IEEE Trans. Med. Imag., vol.7, no.1, pp. 21-25, Mar. 1988.
5. F. H. P. van Velden, R. W. Kloet, B. N. M. Van Berckel, C. F. M. Molthoff, A. A. Lammertsma, and R. Boellaard, "Gap filling strategies for 3D-FBP reconstructions of high resolution research tomograph scans," IEEE Trans. Med. Imag., vol.27, no.7, pp. 934-942, Jul. 2008.
6. U. Tuna, S. Peltonen, and U. Ruotsalainen, "Data estimation for the ECAT HRRT sinograms by utilizing the DCT domain," in Proc. IEEE Nucl. Sci. Symp. Conf. Rec., Oct. 19-25, 2008, pp. 5076-5080.
7. M. Defrise, P. E. Kinahan, D. W. Townsend, C. Michel, M. Sibomana, and D. F. Newport, "Exact and approximate rebinning algorithms for 3-D PET data," IEEE Trans. Med. Imag., vol.16, no.2, pp. 145-158, Apr. 1997.