Partial volume and aliasing artefacts in helical cone-beam CT

Physics in Medicine and Biology

Volumn 49, Issue 11, 2004, Pages 2365-2375

  Zou, Yu ^a   Sidky, Emil Y ^a   Pan, Xiaochuan ^a  

^a UNIVERSITY OF CHICAGO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; BIOMEDICAL ENGINEERING; IMAGE RECONSTRUCTION;

COMPUTED TOMOGRAPHY (CT); QUASI-EXACT ALGORITHMS;

COMPUTERIZED TOMOGRAPHY;

ALGORITHM; ARTICLE; ARTIFACT; COMPUTER ASSISTED TOMOGRAPHY; CONTROLLED STUDY; DATA ANALYSIS; DIAGNOSTIC IMAGING; IMAGE RECONSTRUCTION; NONLINEAR SYSTEM; PRIORITY JOURNAL; RADIATION BEAM;

ALGORITHMS; ARTIFACTS; FOURIER ANALYSIS; HEAD; HUMANS; IMAGING, THREE-DIMENSIONAL; INFORMATION STORAGE AND RETRIEVAL; NUMERICAL ANALYSIS, COMPUTER-ASSISTED; PHANTOMS, IMAGING; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; REPRODUCIBILITY OF RESULTS; SAMPLE SIZE; SENSITIVITY AND SPECIFICITY; SIGNAL PROCESSING, COMPUTER-ASSISTED; TOMOGRAPHY, SPIRAL COMPUTED;

EID: 3042780395     PISSN: 00319155     EISSN: None     Source Type: Journal    
DOI: 10.1088/0031-9155/49/11/017     Document Type: Article

References (14)

1. Defrise M, Noo F and Kudo H 2000 A solution to the long-object problem in helical cone-beam tomography Phys. Med. Biol. 45 623-43
2. Glover G H and Pelc N J 1980 Nonlinear partial volume artifacts in x-ray computed tomography Med. Phys. 7 238-48
3. Joseph P M and Spital R D 1981 The exponential edge-gradient effect in x-ray computed tomography Phys. Med. Biol. 26 473-87
4. Katsevich A 2002 Theoretically exact FBP-type inversion algorithm for spiral CT SIAM J. Appl. Math. 62 2012-26
5. Kudo H, Noo F and Defrise M 1998 Cone-beam filtered-backprojection algorithm for truncated helical data Phys. Med. Biol. 43 2885-909
6. Kudo H, Noo F and Defrise M 2000 Quasi-exact filtered backprojection algorithm for long object problem in helical cone-beam tomography IEEE Trans. Med. Imaging 19 902-21
7. Lauritsch G and Bruder H http://www.imp.uni-erlangen.de/forbild
8. Noo F, Pack J and Heuscher D 2003 Exact helical reconstruction using native cone-beam geometries Phys. Med. Biol. 48 3787-818
9. Schaller S, Noo F, Sauer F, Tam K C, Lauritsch G and Flohr T 2000 Exact Radon rebinning algorithms using local regions-of-interest for helical cone-beam CT IEEE Trans. Med. Imaging 19 361-75
10. Sidky E Y, Zou Y and Pan X 2003 Effect of polychromatic x-ray spectra in helical cone-beam computed tomography Proc. 7th Int. Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine (St. Malo, France) p Fr-AM2-2
11. Sourbelle K, Kudo H, Lauritsch G, Tam K C, Defrise M and Noo F 2001 Performance evaluation of exact cone-beam algorithms for the long object problem in spiral computed tomography Proc. 6th Int. Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine (Pacific Grove, California) pp 153-6
12. Tam K C, Samarasekera S and Sauer F 1998 Exact cone-beam CT with a spiral scan Phys. Med. Biol. 43 1015-24
13. Tam K C 2000 Exact local regions-of-interest reconstruction in spiral cone-beam filtered backprojection CT: theory Proc. SPIE 3979 506-19
14. Zou Y, Sidky E Y and Pan X 2003 Performance evaluation of exact cone-beam algorithms for the long object problem in spiral computed tomography Proc. SPIE 5032 696-702