Energy-resolved computed tomography: First experimental results

Physics in Medicine and Biology

Volumn 53, Issue 20, 2008, Pages 5595-5613

  Shikhaliev, Polad M ^a  

^a LOUISIANA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIOMINERALIZATION; BONE; CADMIUM; CHARGE TRAPPING; COMPUTERIZED TOMOGRAPHY; DETECTORS; DIAGNOSTIC RADIOGRAPHY; ELECTRON TUBES; EXPERIMENTS; HOLE TRAPS; IMAGE ENHANCEMENT; INDUSTRIAL CHEMICALS; IODINE; MEDICAL IMAGING; PHOTONS; PIXELS; SEMICONDUCTING CADMIUM COMPOUNDS; TOMOGRAPHY; TUBES (COMPONENTS); WEIGHING; X RAY ANALYSIS; X RAY SPECTROGRAPHS; X RAY TUBES; X RAYS; Z TRANSFORMS; ZINC;

APPLICATIONS.; CADMIUM ZINC TELLURIDES; CHARGE INTEGRATING; CHARGE SHARING; COMPUTED TOMOGRAPHIES; CT DATUMS; CT IMAGES; CT IMAGING; CT SCANS; CT SYSTEMS; CYLINDRICAL PHANTOMS; DETECTOR COUNTS; ENERGY WEIGHTING; EQUIVALENT MATERIALS; FEASIBLE SOLUTIONS; GLANDULAR TISSUES; LINEAR ARRAYS; LOWER ENERGIES; MATERIAL DECOMPOSITIONS; NOISE RATIOS; PHOTON COUNTING DETECTORS; SEMI-CONDUCTORS; WEIGHTING FACTORS;

ELECTRIC INSTRUMENT TRANSFORMERS;

CADMIUM; IODINE; ZINC;

ADIPOSE TISSUE; ARTICLE; CALCIFICATION; COMPUTER ASSISTED TOMOGRAPHY; CONTROLLED STUDY; ELECTRIC POTENTIAL; ENERGY; IMAGE QUALITY; IMAGE SUBTRACTION; PHOTON; PRIORITY JOURNAL; SEMICONDUCTOR; SIGNAL PROCESSING; SPECTRUM; X RAY TUBE;

EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; PHANTOMS, IMAGING; PHOTONS; PILOT PROJECTS; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; RADIOMETRY; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; SIGNAL PROCESSING, COMPUTER-ASSISTED; TOMOGRAPHY, X-RAY COMPUTED;

EID: 58149231346     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/53/20/002     Document Type: Article

References (16)

1. Aslund M et al 2004 Scatter rejection in scanned multi-slit digital mammography Proc. SPIE 5368 478-87
2. Barrett H H et al 1995 Charge transport in arrays of semiconductor gamma-ray detectors Phys. Rev. Lett. 75 156-9
3. Boone J M et al 2001 Dedicated breast CT: radiation dose and image quality evaluation Radiology 221 657-67
4. Cahn R N et al 1999 Detective quantum efficiency dependence on x-ray energy weighting in mammography Med. Phys. 26 2680-3
5. Chang C H et al 1978 Computed tomographic evaluation of the breast Am. J. Roentgenol. 131 459-64
6. Chang C H et al 1979 Specific value of computed tomographic breast scanner (CT/M) in diagnosis of breast diseases Radiology 132 647-52
7. Giersch J et al 2004 The influence of energy weighting on x-ray imaging quality Nucl. Instrum. Methods A 531 68-74
8. Heanue J A et al 1999 CdZnTe detector array for a scanning-beam digital x-ray system Proc. SPIE 3659 718-25
9. Hubbell J H and Seltzer S M 1995 Tables of x-ray mass attenuation coefficient and mass energy absorption coefficients 1 keV to 20 MeV for elements Z = 1 to 92 and 48 additional substances of dosimetric interest Gaithersburg, NIST: 111
10. Jong R A et al 2003 Contrast-enhanced digital mammography: initial clinical experience Radiology 228 842-50
11. Niederlohner D et al 2005 The energy weighting technique: measurements and simulations Nucl. Instrum. Methods A 546 37-41
12. Shikhaliev P M 2005 Beam hardening artefacts in computed tomography with photon counting, charge integrating and energy weighting detectors: a simulation study Phys. Med. Biol. 50 5813-27
13. Shikhaliev P M 2006 Tilted angle CZT detector for photon counting/energy weighting x-ray and CT imaging Phys. Med. Biol. 51 4267-87
14. Shikhaliev P M 2008 Computed tomography with energy resolved detection: a feasibility study Phys. Med. Biol. 53 1475-95
15. Tapiovaara M J and Wagner R F 1985 SNR and DQE analysis of broad spectrum x-ray imaging Phys. Med. Biol. 30 519-29
16. Tumer T O et al 2000 Preliminary results obtained from a novel CdZnTe pad detector and readout ASIC developed for an automatic baggage inspection system Nucl. Sci. Symp. Conf. Record, 2000 IEEE 1 4/36-4/41