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Experimental test of the intrinsic dimensionality of Hounsfield unit measurements: the CT data

Published by National Institute of Standards and Technology | National Institute of Standards and Technology | Catalog Last Checked: August 03, 2026 at 03:50 AM | Dataset Last Updated: May 18, 2018
We present the data supporting "Experimental test of the intrinsic dimensionality of Hounsfield unit measurements" (In preparation). In this study, we passed 34 different substances in separate vials through a computed tomography (CT) scanner at 4 different voltages. At each voltage, we obtained 1824 images (in DICOM format) depicting a sequence of slices through the vials. All 7296 images are provided here. In addition, we provide a table of the substances, their masses, and their positions in the sequence.This dataset deprecates the earlier release of this data (ark:/88434/mds019bfm9). The image and substance table data are exactly the same; however, the image data has been re-arranged to make browsing and downloading more convenient.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
[
  "006:55"
]
contactPoint 
{
  "fn": "Zachary Levine",
  "hasEmail": "mailto:zachary.levine@nist.gov"
}
description We present the data supporting "Experimental test of the intrinsic dimensionality of Hounsfield unit measurements" (In preparation). In this study, we passed 34 different substances in separate vials through a computed tomography (CT) scanner at 4 different voltages. At each voltage, we obtained 1824 images (in DICOM format) depicting a sequence of slices through the vials. All 7296 images are provided here. In addition, we provide a table of the substances, their masses, and their positions in the sequence.This dataset deprecates the earlier release of this data (ark:/88434/mds019bfm9). The image and substance table data are exactly the same; however, the image data has been re-arranged to make browsing and downloading more convenient.
distribution 
[
  {
    "title": "DOI Access to Experimental test of the intrinsic dimensionality of Hounsfield unit measurements",
    "format": "text/html",
    "accessURL": "https://doi.org/10.18434/M3M956",
    "description": "DOI Access to Experimental test of the intrinsic dimensionality of Hounsfield unit measurements"
  },
  {
    "title": "The experimental setup",
    "mediaType": "image/jpeg",
    "description": "A photo of the arrangement of the vials in the CT scanner.  Slice 1 is at the "foot", closest to the viewer.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/ctBaltimore20170914_02.jpg"
  },
  {
    "title": "README",
    "format": "plain text",
    "mediaType": "text/plain",
    "description": "A summary of the data of this publication",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/README.txt"
  },
  {
    "title": "Image Slices Table",
    "mediaType": "text/tab-separated-values",
    "description": "A table describing each image slice giving the image filename, slice number, CT voltage, and slice position.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/slices.tsv"
  },
  {
    "title": "Substances Table",
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    "description": "A table listing the substances scanned, their positions, and the masses of the samples.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/ctBaltimoreB20170914.csv"
  },
  {
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    "description": "A zip file of the 100 DICOM images depicting slices 1-100 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0001-0100.zip"
  },
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    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1-100 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0001-0100.zip"
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    "title": "Image slices 1-100 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1-100 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0001-0100.zip"
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    "description": "A zip file of the 100 DICOM images depicting slices 1-100 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0001-0100.zip"
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  {
    "title": "Image slices 1001-1100 at 140kV",
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  {
    "title": "Image slices 1001-1100 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1001-1100 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
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    "title": "Image slices 101-200 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 101-200 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0101-0200.zip"
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    "title": "Image slices 101-200 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 101-200 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0101-0200.zip"
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    "description": "A zip file of the 100 DICOM images depicting slices 101-200 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0101-0200.zip"
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  {
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    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 101-200 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0101-0200.zip"
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    "title": "Image slices 1101-1200 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1101-1200 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1101-1200.zip"
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    "title": "Image slices 1101-1200 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1101-1200 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
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    "title": "Image slices 1101-1200 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1101-1200 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
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    "title": "Image slices 1201-1300 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1201-1300 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1201-1300.zip"
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  {
    "title": "Image slices 1201-1300 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1201-1300 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices1201-1300.zip"
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  {
    "title": "Image slices 1201-1300 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1201-1300 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices1201-1300.zip"
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  {
    "title": "Image slices 1201-1300 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1201-1300 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices1201-1300.zip"
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  {
    "title": "Image slices 1301-1400 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1301-1400 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1301-1400.zip"
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  {
    "title": "Image slices 1301-1400 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1301-1400 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices1301-1400.zip"
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  {
    "title": "Image slices 1301-1400 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1301-1400 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices1301-1400.zip"
  },
  {
    "title": "Image slices 1301-1400 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1301-1400 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices1301-1400.zip"
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  {
    "title": "Image slices 1401-1500 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1401-1500 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1401-1500.zip"
  },
  {
    "title": "Image slices 1401-1500 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1401-1500 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices1401-1500.zip"
  },
  {
    "title": "Image slices 1401-1500 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1401-1500 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices1401-1500.zip"
  },
  {
    "title": "Image slices 1401-1500 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1401-1500 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices1401-1500.zip"
  },
  {
    "title": "Image slices 1501-1600 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1501-1600 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1501-1600.zip"
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  {
    "title": "Image slices 1501-1600 at 120kV",
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    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices1501-1600.zip"
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  {
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    "description": "A zip file of the 100 DICOM images depicting slices 1501-1600 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices1501-1600.zip"
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    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices1501-1600.zip"
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    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1601-1700.zip"
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    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1601-1700 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices1601-1700.zip"
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  {
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    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1601-1700 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices1601-1700.zip"
  },
  {
    "title": "Image slices 1601-1700 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1601-1700 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices1601-1700.zip"
  },
  {
    "title": "Image slices 1701-1800 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1701-1800 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1701-1800.zip"
  },
  {
    "title": "Image slices 1701-1800 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1701-1800 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices1701-1800.zip"
  },
  {
    "title": "Image slices 1701-1800 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1701-1800 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices1701-1800.zip"
  },
  {
    "title": "Image slices 1701-1800 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 1701-1800 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices1701-1800.zip"
  },
  {
    "title": "Image slices 201-300 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 201-300 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0201-0300.zip"
  },
  {
    "title": "Image slices 201-300 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 201-300 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0201-0300.zip"
  },
  {
    "title": "Image slices 201-300 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 201-300 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0201-0300.zip"
  },
  {
    "title": "Image slices 201-300 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 201-300 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0201-0300.zip"
  },
  {
    "title": "Image slices 301-400 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 301-400 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0301-0400.zip"
  },
  {
    "title": "Image slices 301-400 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 301-400 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0301-0400.zip"
  },
  {
    "title": "Image slices 301-400 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 301-400 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0301-0400.zip"
  },
  {
    "title": "Image slices 301-400 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 301-400 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0301-0400.zip"
  },
  {
    "title": "Image slices 401-500 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 401-500 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0401-0500.zip"
  },
  {
    "title": "Image slices 401-500 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 401-500 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0401-0500.zip"
  },
  {
    "title": "Image slices 401-500 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 401-500 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0401-0500.zip"
  },
  {
    "title": "Image slices 401-500 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 401-500 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0401-0500.zip"
  },
  {
    "title": "Image slices 501-600 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 501-600 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0501-0600.zip"
  },
  {
    "title": "Image slices 501-600 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 501-600 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0501-0600.zip"
  },
  {
    "title": "Image slices 501-600 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 501-600 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0501-0600.zip"
  },
  {
    "title": "Image slices 501-600 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 501-600 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0501-0600.zip"
  },
  {
    "title": "Image slices 601-700 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 601-700 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0601-0700.zip"
  },
  {
    "title": "Image slices 601-700 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 601-700 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0601-0700.zip"
  },
  {
    "title": "Image slices 601-700 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 601-700 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0601-0700.zip"
  },
  {
    "title": "Image slices 601-700 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 601-700 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0601-0700.zip"
  },
  {
    "title": "Image slices 701-800 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 701-800 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0701-0800.zip"
  },
  {
    "title": "Image slices 701-800 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 701-800 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0701-0800.zip"
  },
  {
    "title": "Image slices 701-800 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 701-800 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0701-0800.zip"
  },
  {
    "title": "Image slices 701-800 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 701-800 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0701-0800.zip"
  },
  {
    "title": "Image slices 801-900 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 801-900 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0801-0900.zip"
  },
  {
    "title": "Image slices 801-900 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 801-900 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0801-0900.zip"
  },
  {
    "title": "Image slices 801-900 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 801-900 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0801-0900.zip"
  },
  {
    "title": "Image slices 801-900 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 801-900 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0801-0900.zip"
  },
  {
    "title": "Image slices 901-1000 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 901-1000 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices0901-1000.zip"
  },
  {
    "title": "Image slices 901-1000 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 901-1000 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices0901-1000.zip"
  },
  {
    "title": "Image slices 901-1000 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 901-1000 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices0901-1000.zip"
  },
  {
    "title": "Image slices 901-1000 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 100 DICOM images depicting slices 901-1000 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0901-1000.zip"
  },
  {
    "title": "Image slices 1801-1824 at 100kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 24 DICOM images depicting slices 1801-1824 at 100kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/100kV/slices1801-1824.zip"
  },
  {
    "title": "Image slices 1801-1824 at 120kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 24 DICOM images depicting slices 1801-1824 at 120kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/120kV/slices1801-1824.zip"
  },
  {
    "title": "Image slices 1801-1824 at 140kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 24 DICOM images depicting slices 1801-1824 at 140kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/140kV/slices1801-1824.zip"
  },
  {
    "title": "Image slices 1801-1824 at 80kV",
    "mediaType": "application/zip",
    "description": "A zip file of the 24 DICOM images depicting slices 1801-1824 at 80kV.  The file also contains a brief README file, a tiled preview of all the images, and a file listing the SHA256 checksum values for each of the images.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices1801-1824.zip"
  },
  {
    "title": "Figure 4 Data",
    "mediaType": "text/tab-separated-values",
    "description": "The experimental values (illustrated in Fig. 4 in the paper) for the molar Hounsfield unit potency is given for both theory and experiment.",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/fig4TheoryExpt.tsv"
  },
  {
    "mediaType": "text/plain",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0001-0100.zip.sha256"
  },
  {
    "mediaType": "text/plain",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0101-0200.zip.sha256"
  },
  {
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    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0201-0300.zip.sha256"
  },
  {
    "mediaType": "text/plain",
    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0301-0400.zip.sha256"
  },
  {
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    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0401-0500.zip.sha256"
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  {
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    "downloadURL": "https://data.nist.gov/od/ds/6CBEE783B6972F21E0532457068129011925/Compounds/080kV/slices0501-0600.zip.sha256"
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  {
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]
identifier 6CBEE783B6972F21E0532457068129011925
keyword 
[
  "Hounsfield unit",
  "medical phantom",
  "shape",
  "volume",
  "x-ray computed tomography"
]
landingPage https://data.nist.gov/od/id/6CBEE783B6972F21E0532457068129011925
language 
[
  "en"
]
license https://www.nist.gov/open/license
modified 2018-05-18
programCode 
[
  "006:045"
]
publisher 
{
  "name": "National Institute of Standards and Technology",
  "@type": "org:Organization"
}
theme 
[
  "Metrology:Optical, photometry, and laser metrology"
]
title Experimental test of the intrinsic dimensionality of Hounsfield unit measurements: the CT data

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