Conceiving a high resolution and fast X-ray CT system for imaging fine multi-phase mineral particles and retrieving mineral liberation spectra

International Journal of Mineral Processing

Volumn 84, Issue 1-4, 2007, Pages 327-336

  Schena, Gianni ^a   Santoro, Luca ^a   Favretto, Stefano ^a  

^a UNIVERSITY OF TRIESTE   (Italy)

Author keywords

Cone beam; Fine particles; Mineral liberation; X ray computed tomography

Indexed keywords

COMPUTATIONAL GEOMETRY; COMPUTERIZED TOMOGRAPHY; FIBER OPTICS; MICROMETERS; PARTICLES (PARTICULATE MATTER); RADIATION DETECTORS; THREE DIMENSIONAL;

CONE BEAMS; FINE PARTICLES; MINERAL LIBERATION; X-RAY COMPUTED TOMOGRAPHY;

MINERALS;

EID: 34548482562     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2006.10.002     Document Type: Article

References (14)

1. Azevedo S.G., Schneberk D.J., Fitch J.P., and Martz H.E. Calculation of the rotational centers in computed tomography sinograms. IEEE Transactions on Nuclear Science 37 4 (1990) 1525-1540
2. Casali, F., Rossi, M., Morigi, M.P., European Patent Application EP 1 239 654 A1. Date of publication: 11.09.2002 Bulletin 2002/37. Application number: 01830140.8.
3. Chaney E.L., and Hendee W.R. Effects of X ray tube current and voltage on effective focal spot size. Medical Physics 1 3 (1974) 141-147
4. Elbakri I.A., and Fessler J.A. Statistical image reconstruction for polyenergetic X-ray computed tomography. Physics in Medicine and Biology 48 15 (2002) 2453-2477
5. Feldkamp L.A., Davis L.C., and Kress J.W. Practical cone-beam algorithm. Journal of the Optical Society of America. A 1 6 (1984) 612-619
6. Kak, A.C., Slaney, M., 1988. Principles of computerized tomographic imaging. IEEE Press (also downloadable from http://www.slaney.org/pct/pct-toc.html).
7. King R.P., and Schneider C.L. Mineral liberation analysis - a review of some recent developments. Section A2. Proceedings of the XXI International Mineral Processing Congress, Rome, Italy (2000)
8. Klasens H. Measurement and calculation of unsharpness combinations in X-ray photography (1946), Philips Research Laboratories, Eindhoven, Netherlands 241-249
9. Lin C.L., and Miller J.D. Cone beam X-ray microtomography - a new facility for three-dimensional analysis of multiphase materials. Minerals and Metallurgical Processing 19 2 (2002) 65-71
10. Lubberts G., and Rossmann K. Modulation transfer function associated with geometrical unsharpness in medical radiography. Physics in Medicine and Biology 12 12 (1967) 65-67
11. Miller J.D., Lin C.L., Garcia C., and Arias H. Ultimate recovery in heap leaching operations as established from mineral exposure analysis by X-ray microtomography. International Journal of Mineral Processing 72 1-4 (2003) 331-340
12. Otsu N. A threshold selection method from gray-level histograms. IEEE Transactions on Systems, Man, and Cybernetics 9 1 (1979) 62-66
13. Perona P., and Malik J. Scale-space and edge detection using anisotropic diffusion. IEEE Transactions on PAMI 12 7 (1990) 629-639
14. Schena G.D., and Chiaruttini C. A stereological posed mass balance for calculating the distributed efficiency of particle separation systems. International Journal of Mineral Processing 59 2 (2000) 149-162