Spatial-Resolution Enhancement in Computed Tomography

IEEE Transactions on Medical Imaging

Volumn 24, Issue 2, 2005, Pages 246-253

  Pan, Xiaochuan ^a   Yu, Lifeng ^a   Kao, Chien Min ^a  

^a UNIVERSITY OF CHICAGO   (United States)

Author keywords

Computed tomography (CT); image reconstruc ; image resolution; tion

Indexed keywords

ALGORITHM; ARTICLE; ARTIFICIAL INTELLIGENCE; COMPUTER ASSISTED DIAGNOSIS; COMPUTER ASSISTED TOMOGRAPHY; EVALUATION; IMAGE QUALITY; MATHEMATICAL COMPUTING; METHODOLOGY; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY;

ALGORITHMS; ARTIFICIAL INTELLIGENCE; NUMERICAL ANALYSIS, COMPUTER-ASSISTED; PHANTOMS, IMAGING; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TOMOGRAPHY, X-RAY COMPUTED;

EID: 17444405271     PISSN: 02780062     EISSN: 1558254X     Source Type: Journal    
DOI: 10.1109/TMI.2004.840846     Document Type: Article

References (11)

1. E. L. Ritman, “Molecular imaging in small animals—Roles for microCT,” J. Cellular Biochem., Suppl. 39, pp. 116–124, 2002.
2. M. J. Paulus, H. Sari-Sarraf, S. S. Gleason, M. Bobrek, J. S. Hicks, D. K. Johnson, J. K. Behel, L. H. Thompson, and W. C. Allen, “A new X-ray computed tomography system for laboratory mouse imaging,” IEEE Trans. Nucl. Sci., vol. 46, no. 3, pp. 558–564, Jun. 1999.
3. S. J. Kennel, I. A. Davis, J. Branning, H. Pan, G. W. Kabalka, and M. J. Paulus, “High resolution computed tomography and MRI for monitoring lung tumor growth in mice undergoing radioimmunotherapy: Correlation with histology,” Med. Phys., vol. 27, pp. 1101–1107, 2000.
4. J. Hsieh, Computed Tomography—Principles, Designs, Artifacts, and Recent Advances. Bellingham, WA: SPIE, 2003.
5. W. Chang, S. Loncaric, G. Huang, and P. Sanpitak, “Asymmetric fan transmission CT on SPECT systems,” Phys. Med. Biol., vol. 40, pp. 913–928, 1995.
6. S. Loncaric, W. Chang, and G. Huang, “A processing technique for truncated projections of asymmetric fanbeam transmission imaging,” IEEE Trans. Nucl. Sci., vol. 42, no. 6, pp. 2292-2297, Dec. 1995.
7. D. R. Gilland, R. J. Jaszczak, and R. E. Coleman, “Transmission CT reconstruction for offset fan beam collimation,” IEEE Trans. Nucl. Sci., vol. 47, no. 4, pp. 1602–1606, Aug. 2000.
8. P. J. La Riviere, X. Pan, D. Gilland, C.-M. Kao, W. Chang, and R. Jaszczak, “Transmission image reconstruction and redundant information in SPECT with asymmetric fanbeam collimation,” IEEE Trans. Nucl. Sci., vol. 48, no. 4, pp. 1357–1363, Aug. 2001.
9. G. Wang, “X-ray micro-CT with a displaced detector array,” Med. Phys., vol. 29, pp. 1634–1636, 2002.
10. L. Yu, X. Pan, and C. A. Pelizzari, “Asymmetric fan-beam configurations with spatially varying focal lengths and shift-variant filtering reconstruction,” Opt. Eng., vol. 10, pp. 2340–2347, 2004.
11. X. Pan and L. Yu, “Image reconstruction with shift-variant filtration and its implication for noise and resolution properties in fan-beam computed tomography,” Med. Phys., vol. 30, pp. 590–600, 2003.