Advances in x-ray computed microtomography at the NSLS

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The X-Ray Computed Microtomography workstation at beamline X27A at the NSLS has been utilized by scientists from a broad range of disciplines from industrial materials processing to environmental science. The most recent applications are presented here as well as a description of the facility that has evolved to accommodate a wide variety of materials and sample sizes. One of the most exciting new developments reported here resulted from a pursuit of faster reconstruction techniques. A Fast Filtered Back Transform (FFBT) reconstruction program has been developed and implemented, that is based on a refinement of the gridding algorithm first developed for ... continued below

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7 p.

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Dowd, B.A.; Andrews, A.B.; Marr, R.B.; Siddons, D.P.; Jones, K.W. & Peskin, A.M. August 1, 1998.

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Description

The X-Ray Computed Microtomography workstation at beamline X27A at the NSLS has been utilized by scientists from a broad range of disciplines from industrial materials processing to environmental science. The most recent applications are presented here as well as a description of the facility that has evolved to accommodate a wide variety of materials and sample sizes. One of the most exciting new developments reported here resulted from a pursuit of faster reconstruction techniques. A Fast Filtered Back Transform (FFBT) reconstruction program has been developed and implemented, that is based on a refinement of the gridding algorithm first developed for use with radio astronomical data. This program has reduced the reconstruction time to 8.5 sec for a 929 x 929 pixel{sup 2} slice on an R10,000 CPU, more than 8x reduction compared with the Filtered Back-Projection method.

Physical Description

7 p.

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INIS; OSTI as DE99000942

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  • 47. Denver X-ray conference on advances in X-ray analysis, Colorado Springs, CO (United States), 3-7 Aug 1998

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  • Other: DE99000942
  • Report No.: BNL--65832
  • Report No.: CONF-980851--
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 674877
  • Archival Resource Key: ark:/67531/metadc711142

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 10, 2015, 1:21 p.m.

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Dowd, B.A.; Andrews, A.B.; Marr, R.B.; Siddons, D.P.; Jones, K.W. & Peskin, A.M. Advances in x-ray computed microtomography at the NSLS, article, August 1, 1998; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc711142/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.