Work Description

Title: CT Data of UMMP VP 118186, Loxodonta africana right tusk Open Access Deposited

O
Attribute Value
Methodology
  • Specimen UMMP_VP_118186_R_tusk was scanned (supported by a wooden frame) with an Aracor ICT-1500 system housed at the Nondestructive Evaluation Laboratory of Ford Motor Company. This system uses an pulsed accelerator source (with a reference detector to remove intensity variations). Scans were collected with the following settings: energy settings, 9MV. 30uA approximate target current; source to object distance, 1499.491 mm; source to detector distance, 2799.086 mm; voxel size, x = 0.48828125 mm y = 0.48828125 mm z = 3.0 mm; slice dimension (in pixels), x = 2048, y = 2048; number of slices, 564 16-bit TIFF images. Additional metadata can be found in the *.IM$LA and UMMPCombinedMetadata.json files.
Description
  • Reconstructed CT slices for a right tusk of Loxodonta africana (University of Michigan Museum of Paleontology catalog number UMMP_VP_118186) as a series of TIFF images. Raw projections are not included in this dataset. The reconstructed slice data from the scan are offered here as a series of unsigned 16-bit integer TIFF images. The upper left corner of the first image (*_000.tif) is the XYZ origin. Metadata as produced by the Aracor system are included in *.IM$LA text files in IM$LA.zip.
Creator
Depositor
  • arountre@umich.edu
Contact information
Discipline
Keyword
Citations to related material
  • Cherney, M., et al. (in prep)
Resource type
Last modified
  • 03/03/2023
Published
  • 03/03/2023
Language
DOI
  • https://doi.org/10.7302/3wgf-3d47
License
  • Usage of the associated data is restricted. The terms of use as of date of metadata creation (2022-08-07) are included in the file _LICENSE.txt. Please see https://umorf.ummp.lsa.umich.edu/wp/ct-terms/ for current terms, as these may have changed.
To Cite this Work:
University of Michigan Museum of Paleontology, Nondestructive Evaluation Laboratory, F. M. C., Jones, M. (2023). CT Data of UMMP VP 118186, Loxodonta africana right tusk [Data set], University of Michigan - Deep Blue Data. https://doi.org/10.7302/3wgf-3d47

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Files (Count: 5; Size: 1.68 GB)

Thumbnailthumbnail-column Title Original Upload Last Modified File Size Access Actions
_LICENSE.txt 2022-08-07 2022-08-07 6.18 KB Open Access
_README.txt 2022-08-07 2022-08-07 1.3 KB Open Access
UMMP_VP_118186_R_tusk_snapshot.jpg 2022-08-07 2022-08-07 39.5 KB Open Access
UMMP_VP_118186_Loxodonta_african...T.md5 2022-08-07 2022-08-07 185 Bytes Open Access
UMMP_VP_118186_Loxodonta_african...T.zip 2022-08-07 2022-08-08 1.68 GB Open Access

Usage of the associated data is restricted. The terms of use as of date of metadata creation (2022-08-07) are included in the file _LICENSE.txt. Please see https://umorf.ummp.lsa.umich.edu/wp/ct-terms/ for current terms, as these may have changed.

Methods:
Specimen UMMP_VP_118186_R_tusk was scanned with an Aracor ICT-1500 system housed at the Nondestructive Evaluation Laboratory of Ford Motor Company. This system uses an pulsed accelerator source (with a reference detector to remove intensity variations). Scans were collected with the following settings: energy settings, 9MV, 30uA approximate target current; source to object distance, 1499.491 mm; source to detector distance, 2799.086 mm; voxel size, x = 0.48828125 mm y = 0.48828125 mm z = 3.0 mm; slice dimension (in pixels), x = 2048, y = 2048; number of slices, 564 16-bit TIFF images. Additional metadata can be found in the *.IM$LA and UMMPCombinedMetadata.json files.

Format:
The reconstructed slice data from the scan are offered here as a series of unsigned 16-bit integer TIFF images. The upper left corner of the first image (*_000.tif) is the XYZ origin. At the time of posting, this format can be loaded in a variety of viewers, such as 3D Slicer, Amira, Avizo, Dragonfly, ImageJ, and VG Studio. Projections are not included in this dataset.

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