{
  "id": 18248,
  "title": "Meaning of metadata attributes",
  "url": "/competitions/second-annual-data-science-bowl/discussion/18248",
  "author_name": "",
  "post_date": "2016-01-05T04:59:40.363Z",
  "votes": null,
  "comment_count": 1,
  "views": 664,
  "content": "<p>Hi,</p>\n\n<pre><code>There are bunch of metadata attributes (around 90) whose meanings are not very clear. If we knew the meanings, we can use them properly in our models. Please let us know the meanings of the below items, which are metadata in DICOM images.\n</code></pre>\n\n<ul>\n<li>PhotometricInterpretation</li>\n<li>Rows</li>\n<li>WindowCenter</li>\n<li>InPlanePhaseEncodingDirection</li>\n<li>SeriesTime</li>\n<li>InstanceNumber</li>\n<li>NominalInterval</li>\n<li>PatientSex</li>\n<li>SOPInstanceUID</li>\n<li>AcquisitionMatrix</li>\n<li>ReferencedImageSequence</li>\n<li>PositionReferenceIndicator</li>\n<li>SpecificCharacterSet</li>\n<li>TransmitCoilName</li>\n<li>Columns</li>\n<li>PixelSpacing</li>\n<li>RepetitionTime</li>\n<li>EchoTrainLength</li>\n<li>PercentPhaseFieldOfView</li>\n<li>SeriesNumber</li>\n<li>ImagedNucleus</li>\n<li>MRAcquisitionType</li>\n<li>NumberOfFrames</li>\n<li>HighBit</li>\n<li>AcquisitionNumber</li>\n<li>StudyTime</li>\n<li>SmallestImagePixelValue</li>\n<li>SoftwareVersions</li>\n<li>BodyPartExamined</li>\n<li>PatientBirthDate</li>\n<li>PatientAge</li>\n<li>PixelBandwidth</li>\n<li>BitsStored</li>\n<li>RefdPatientSequence</li>\n<li>SAR</li>\n<li>AngioFlag</li>\n<li>ImagePositionPatient</li>\n<li>ScanningSequence</li>\n<li>Manufacturer</li>\n<li>WindowWidth</li>\n<li>ReferencedStudySequence</li>\n<li>SliceLocation</li>\n<li>FlipAngle</li>\n<li>VariableFlipAngleFlag</li>\n<li>LargestImagePixelValue</li>\n<li>CommentsOnThePerformedProcedureStep</li>\n<li>InstanceCreationTime</li>\n<li>RefdImageSequence</li>\n<li>ManufacturerModelName</li>\n<li>NumberOfAverages</li>\n<li>AcquisitionTime</li>\n<li>SequenceName</li>\n<li>EchoNumbers</li>\n<li>PercentSampling</li>\n<li>SpacingBetweenSlices</li>\n<li>PatientName</li>\n<li>ImageType</li>\n<li>SOPClassUID</li>\n<li>EchoTime</li>\n<li>SeriesDescription</li>\n<li>ReferencedPatientSequence</li>\n<li>SequenceVariant</li>\n<li>BitsAllocated</li>\n<li>PerformedProcedureStepStartTime</li>\n<li>ImagingFrequency</li>\n<li>Modality</li>\n<li>PatientID</li>\n<li>SamplesPerPixel</li>\n<li>ScanOptions</li>\n<li>NumberOfPhaseEncodingSteps</li>\n<li>PerformedProcedureStepID</li>\n<li>MagneticFieldStrength</li>\n<li>TriggerTime</li>\n<li>RefdStudySequence</li>\n<li>PatientPosition</li>\n<li>ImageOrientationPatient</li>\n<li>CardiacNumberOfImages</li>\n<li>dBdt</li>\n<li>PixelRepresentation</li>\n<li>SliceThickness</li>\n<li>PixelData</li>\n<li>WindowCenterWidthExplanation</li>\n<li>PatientAddress</li>\n<li>PatientTelephoneNumbers</li>\n<li>ContrastBolusTotalDose</li>\n<li>ContrastBolusAgent</li>\n<li>ContrastBolusIngredient</li>\n<li>ContrastBolusVolume</li>\n<li>ContrastBolusIngredientConcentration</li>\n<li>ContrastFlowDuration</li>\n</ul>",
  "messages": [
    {
      "id": "103645",
      "postDate": "01/05/2016 04:59:40",
      "content": "<p>Hi,</p>\n\n<pre><code>There are bunch of metadata attributes (around 90) whose meanings are not very clear. If we knew the meanings, we can use them properly in our models. Please let us know the meanings of the below items, which are metadata in DICOM images.\n</code></pre>\n\n<ul>\n<li>PhotometricInterpretation</li>\n<li>Rows</li>\n<li>WindowCenter</li>\n<li>InPlanePhaseEncodingDirection</li>\n<li>SeriesTime</li>\n<li>InstanceNumber</li>\n<li>NominalInterval</li>\n<li>PatientSex</li>\n<li>SOPInstanceUID</li>\n<li>AcquisitionMatrix</li>\n<li>ReferencedImageSequence</li>\n<li>PositionReferenceIndicator</li>\n<li>SpecificCharacterSet</li>\n<li>TransmitCoilName</li>\n<li>Columns</li>\n<li>PixelSpacing</li>\n<li>RepetitionTime</li>\n<li>EchoTrainLength</li>\n<li>PercentPhaseFieldOfView</li>\n<li>SeriesNumber</li>\n<li>ImagedNucleus</li>\n<li>MRAcquisitionType</li>\n<li>NumberOfFrames</li>\n<li>HighBit</li>\n<li>AcquisitionNumber</li>\n<li>StudyTime</li>\n<li>SmallestImagePixelValue</li>\n<li>SoftwareVersions</li>\n<li>BodyPartExamined</li>\n<li>PatientBirthDate</li>\n<li>PatientAge</li>\n<li>PixelBandwidth</li>\n<li>BitsStored</li>\n<li>RefdPatientSequence</li>\n<li>SAR</li>\n<li>AngioFlag</li>\n<li>ImagePositionPatient</li>\n<li>ScanningSequence</li>\n<li>Manufacturer</li>\n<li>WindowWidth</li>\n<li>ReferencedStudySequence</li>\n<li>SliceLocation</li>\n<li>FlipAngle</li>\n<li>VariableFlipAngleFlag</li>\n<li>LargestImagePixelValue</li>\n<li>CommentsOnThePerformedProcedureStep</li>\n<li>InstanceCreationTime</li>\n<li>RefdImageSequence</li>\n<li>ManufacturerModelName</li>\n<li>NumberOfAverages</li>\n<li>AcquisitionTime</li>\n<li>SequenceName</li>\n<li>EchoNumbers</li>\n<li>PercentSampling</li>\n<li>SpacingBetweenSlices</li>\n<li>PatientName</li>\n<li>ImageType</li>\n<li>SOPClassUID</li>\n<li>EchoTime</li>\n<li>SeriesDescription</li>\n<li>ReferencedPatientSequence</li>\n<li>SequenceVariant</li>\n<li>BitsAllocated</li>\n<li>PerformedProcedureStepStartTime</li>\n<li>ImagingFrequency</li>\n<li>Modality</li>\n<li>PatientID</li>\n<li>SamplesPerPixel</li>\n<li>ScanOptions</li>\n<li>NumberOfPhaseEncodingSteps</li>\n<li>PerformedProcedureStepID</li>\n<li>MagneticFieldStrength</li>\n<li>TriggerTime</li>\n<li>RefdStudySequence</li>\n<li>PatientPosition</li>\n<li>ImageOrientationPatient</li>\n<li>CardiacNumberOfImages</li>\n<li>dBdt</li>\n<li>PixelRepresentation</li>\n<li>SliceThickness</li>\n<li>PixelData</li>\n<li>WindowCenterWidthExplanation</li>\n<li>PatientAddress</li>\n<li>PatientTelephoneNumbers</li>\n<li>ContrastBolusTotalDose</li>\n<li>ContrastBolusAgent</li>\n<li>ContrastBolusIngredient</li>\n<li>ContrastBolusVolume</li>\n<li>ContrastBolusIngredientConcentration</li>\n<li>ContrastFlowDuration</li>\n</ul>",
      "rawMarkdown": "Hi,\r\n\r\n    There are bunch of metadata attributes (around 90) whose meanings are not very clear. If we knew the meanings, we can use them properly in our models. Please let us know the meanings of the below items, which are metadata in DICOM images.\r\n\r\n - PhotometricInterpretation\r\n - Rows\r\n - WindowCenter\r\n - InPlanePhaseEncodingDirection\r\n - SeriesTime\r\n - InstanceNumber\r\n - NominalInterval\r\n - PatientSex\r\n - SOPInstanceUID\r\n - AcquisitionMatrix\r\n - ReferencedImageSequence\r\n - PositionReferenceIndicator\r\n - SpecificCharacterSet\r\n - TransmitCoilName\r\n - Columns\r\n - PixelSpacing\r\n - RepetitionTime\r\n - EchoTrainLength\r\n - PercentPhaseFieldOfView\r\n - SeriesNumber\r\n - ImagedNucleus\r\n - MRAcquisitionType\r\n - NumberOfFrames\r\n - HighBit\r\n - AcquisitionNumber\r\n - StudyTime\r\n - SmallestImagePixelValue\r\n - SoftwareVersions\r\n - BodyPartExamined\r\n - PatientBirthDate\r\n - PatientAge\r\n - PixelBandwidth\r\n - BitsStored\r\n - RefdPatientSequence\r\n - SAR\r\n - AngioFlag\r\n - ImagePositionPatient\r\n - ScanningSequence\r\n - Manufacturer\r\n - WindowWidth\r\n - ReferencedStudySequence\r\n - SliceLocation\r\n - FlipAngle\r\n - VariableFlipAngleFlag\r\n - LargestImagePixelValue\r\n - CommentsOnThePerformedProcedureStep\r\n - InstanceCreationTime\r\n - RefdImageSequence\r\n - ManufacturerModelName\r\n - NumberOfAverages\r\n - AcquisitionTime\r\n - SequenceName\r\n - EchoNumbers\r\n - PercentSampling\r\n - SpacingBetweenSlices\r\n - PatientName\r\n - ImageType\r\n - SOPClassUID\r\n - EchoTime\r\n - SeriesDescription\r\n - ReferencedPatientSequence\r\n - SequenceVariant\r\n - BitsAllocated\r\n - PerformedProcedureStepStartTime\r\n - ImagingFrequency\r\n - Modality\r\n - PatientID\r\n - SamplesPerPixel\r\n - ScanOptions\r\n - NumberOfPhaseEncodingSteps\r\n - PerformedProcedureStepID\r\n - MagneticFieldStrength\r\n - TriggerTime\r\n - RefdStudySequence\r\n - PatientPosition\r\n - ImageOrientationPatient\r\n - CardiacNumberOfImages\r\n - dBdt\r\n - PixelRepresentation\r\n - SliceThickness\r\n - PixelData\r\n - WindowCenterWidthExplanation\r\n - PatientAddress\r\n - PatientTelephoneNumbers\r\n - ContrastBolusTotalDose\r\n - ContrastBolusAgent\r\n - ContrastBolusIngredient\r\n - ContrastBolusVolume\r\n - ContrastBolusIngredientConcentration\r\n - ContrastFlowDuration",
      "votes": null
    },
    {
      "id": "103821",
      "postDate": "01/06/2016 19:22:15",
      "content": "<p>The Wikipedia article on DICOM should point you to the documentation and discussion of of that standard, as will standard Google searches. Searching for specific metadata items of interest turns up useful discussion of those items.</p>\n\n<p>The official DICOM site is <a href=\"http://dicom.nema.org/\">http://dicom.nema.org/</a>. The standard itself can be found at <a href=\"http://medical.nema.org/standard.html\">http://medical.nema.org/standard.html</a>. </p>",
      "rawMarkdown": "The Wikipedia article on DICOM should point you to the documentation and discussion of of that standard, as will standard Google searches. Searching for specific metadata items of interest turns up useful discussion of those items.\r\n\r\nThe official DICOM site is http://dicom.nema.org/. The standard itself can be found at http://medical.nema.org/standard.html.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 103821,
      "author_name": "midikiman",
      "author_url": "",
      "post_date": "01/06/2016 19:22:15",
      "content": "<p>The Wikipedia article on DICOM should point you to the documentation and discussion of of that standard, as will standard Google searches. Searching for specific metadata items of interest turns up useful discussion of those items.</p>\n\n<p>The official DICOM site is <a href=\"http://dicom.nema.org/\">http://dicom.nema.org/</a>. The standard itself can be found at <a href=\"http://medical.nema.org/standard.html\">http://medical.nema.org/standard.html</a>. </p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "103645": "Hi,\r\n\r\n    There are bunch of metadata attributes (around 90) whose meanings are not very clear. If we knew the meanings, we can use them properly in our models. Please let us know the meanings of the below items, which are metadata in DICOM images.\r\n\r\n - PhotometricInterpretation\r\n - Rows\r\n - WindowCenter\r\n - InPlanePhaseEncodingDirection\r\n - SeriesTime\r\n - InstanceNumber\r\n - NominalInterval\r\n - PatientSex\r\n - SOPInstanceUID\r\n - AcquisitionMatrix\r\n - ReferencedImageSequence\r\n - PositionReferenceIndicator\r\n - SpecificCharacterSet\r\n - TransmitCoilName\r\n - Columns\r\n - PixelSpacing\r\n - RepetitionTime\r\n - EchoTrainLength\r\n - PercentPhaseFieldOfView\r\n - SeriesNumber\r\n - ImagedNucleus\r\n - MRAcquisitionType\r\n - NumberOfFrames\r\n - HighBit\r\n - AcquisitionNumber\r\n - StudyTime\r\n - SmallestImagePixelValue\r\n - SoftwareVersions\r\n - BodyPartExamined\r\n - PatientBirthDate\r\n - PatientAge\r\n - PixelBandwidth\r\n - BitsStored\r\n - RefdPatientSequence\r\n - SAR\r\n - AngioFlag\r\n - ImagePositionPatient\r\n - ScanningSequence\r\n - Manufacturer\r\n - WindowWidth\r\n - ReferencedStudySequence\r\n - SliceLocation\r\n - FlipAngle\r\n - VariableFlipAngleFlag\r\n - LargestImagePixelValue\r\n - CommentsOnThePerformedProcedureStep\r\n - InstanceCreationTime\r\n - RefdImageSequence\r\n - ManufacturerModelName\r\n - NumberOfAverages\r\n - AcquisitionTime\r\n - SequenceName\r\n - EchoNumbers\r\n - PercentSampling\r\n - SpacingBetweenSlices\r\n - PatientName\r\n - ImageType\r\n - SOPClassUID\r\n - EchoTime\r\n - SeriesDescription\r\n - ReferencedPatientSequence\r\n - SequenceVariant\r\n - BitsAllocated\r\n - PerformedProcedureStepStartTime\r\n - ImagingFrequency\r\n - Modality\r\n - PatientID\r\n - SamplesPerPixel\r\n - ScanOptions\r\n - NumberOfPhaseEncodingSteps\r\n - PerformedProcedureStepID\r\n - MagneticFieldStrength\r\n - TriggerTime\r\n - RefdStudySequence\r\n - PatientPosition\r\n - ImageOrientationPatient\r\n - CardiacNumberOfImages\r\n - dBdt\r\n - PixelRepresentation\r\n - SliceThickness\r\n - PixelData\r\n - WindowCenterWidthExplanation\r\n - PatientAddress\r\n - PatientTelephoneNumbers\r\n - ContrastBolusTotalDose\r\n - ContrastBolusAgent\r\n - ContrastBolusIngredient\r\n - ContrastBolusVolume\r\n - ContrastBolusIngredientConcentration\r\n - ContrastFlowDuration",
    "103821": "The Wikipedia article on DICOM should point you to the documentation and discussion of of that standard, as will standard Google searches. Searching for specific metadata items of interest turns up useful discussion of those items.\r\n\r\nThe official DICOM site is http://dicom.nema.org/. The standard itself can be found at http://medical.nema.org/standard.html."
  },
  "source": "meta"
}