Work Description

Title: CT Data of UMMP VP 100142, Dorudon atrox, posterior cranium fragment (juvenile) Open Access Deposited

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Attribute Value
Methodology
  • Specimen UMMP VP 100142_Dorudon atrox_Posterior cranium fragment (juvenile) was scanned with a Nikon XT H 225ST uCT system housed in the Department of Earth and Environmental Sciences at the University of Michigan. Scans were collected with the following settings: energy settings, 210 kV, 140 uA; source to object distance, 411.8026 mm; source to detector distance, 1104.999 mm; scanned with 3141 projections; voxel size, x = 0.07453446 mm y = 0.07453446 mm z = 0.07453446 mm; slice dimension (in pixels), x = 1776, y = 1566; number of slices, 1674 16-bit TIFF images. Original floating point grey values were scaled to span the unsigned 16-bit integer range using an offset of 13.3432 and a scale factor of 377.688, where 16output = SCALE * (32input + OFFSET). Additional metadata can be found in the xtekct, ctprofile.xml, and UMMPCombinedMetadata.json files.
Description
  • Reconstructed CT slices for Posterior cranium fragment (juvenile) of Dorudon atrox (University of Michigan Museum of Paleontology catalog number UMMP VP 100142) 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 (*_0000.tif) is the XYZ origin.
Creator
Depositor
  • arountre@umich.edu
Contact information
Discipline
Keyword
Resource type
Last modified
  • 10/18/2022
Published
  • 10/18/2022
Language
DOI
  • https://doi.org/10.7302/ba5e-8e86
License
  • Usage of the associated data is restricted. The terms of use as of date of metadata creation (2022-10-17 15:47:30.535106) 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, CTEES. (2022). CT Data of UMMP VP 100142, Dorudon atrox, posterior cranium fragment (juvenile) [Data set], University of Michigan - Deep Blue Data. https://doi.org/10.7302/ba5e-8e86

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Files (Count: 5; Size: 7.09 GB)

Thumbnailthumbnail-column Title Original Upload Last Modified File Size Access Actions
_README.txt 2022-10-17 2022-10-17 1.57 KB Open Access
UMMP_VP_100142_Dorudon_periotic_...l.jpg 2022-10-17 2022-10-17 89.3 KB Open Access
_LICENSE.txt 2022-10-17 2022-10-17 6.18 KB Open Access
UMMP_VP_100142_Dorudon_periotic_...T.md5 2022-10-17 2022-10-17 187 Bytes Open Access
UMMP_VP_100142_Dorudon_periotic_...T.zip 2022-10-18 2022-10-18 7.09 GB Open Access

"MethodString": "Specimen UMMP VP 100142_Dorudon atrox_Posterior cranium fragment (juvenile) was scanned with a Nikon XT H 225ST uCT system housed in the Department of Earth and Environmental Sciences at the University of Michigan. Scans were collected with the following settings: energy settings, 210 kV, 140 uA; source to object distance, 411.8026 mm; source to detector distance, 1104.999 mm; scanned with 3141 projections; voxel size, x = 0.07453446 mm y = 0.07453446 mm z = 0.07453446 mm; slice dimension (in pixels), x = 1776, y = 1566; number of slices, 1674 16-bit TIFF images. Original floating point grey values were scaled to span the unsigned 16-bit integer range using an offset of 13.3432 and a scale factor of 377.688, where 16output = SCALE * (32input + OFFSET). Additional metadata can be found in the xtekct, ctprofile.xml, and UMMPCombinedMetadata.json files."

"DescriptionString": "Reconstructed CT slices for Posterior cranium fragment (juvenile) of Dorudon atrox (University of Michigan Museum of Paleontology catalog number UMMP VP 100142) 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 (*_0000.tif) is the XYZ origin."

"License": "Usage of the associated data is restricted. The terms of use as of date of metadata creation (2022-10-17 15:47:30.535106) 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."

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