{
  "id": 607243,
  "title": "Some dcm files don't have a single channel",
  "url": "/competitions/rsna-intracranial-aneurysm-detection/discussion/607243",
  "author_name": "",
  "post_date": "2025-09-12T19:08:36.900000",
  "votes": 0,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Hey just joined the competition, while I was trying to process the dataset, I noticed that some dcm images have shape (1,512,512) and others have shape (512,N,512) can someone pls explain what this means?</p>",
  "messages": [
    {
      "id": 3288236,
      "postDate": "2025-09-13T12:48:54.320Z",
      "content": "<p>There are some \"enhanced\" or \"multi-frame\" DICOM files in the dataset that store entire 3D images in a single file. These DICOMS store multiple 2D image slices in a \"frame\" dimension. I am guessing that is what you are encountering. </p>",
      "rawMarkdown": "There are some \"enhanced\" or \"multi-frame\" DICOM files in the dataset that store entire 3D images in a single file. These DICOMS store multiple 2D image slices in a \"frame\" dimension. I am guessing that is what you are encountering. "
    },
    {
      "id": 3287999,
      "postDate": "2025-09-12T19:08:36.900Z",
      "content": "<p>Hey just joined the competition, while I was trying to process the dataset, I noticed that some dcm images have shape (1,512,512) and others have shape (512,N,512) can someone pls explain what this means?</p>",
      "rawMarkdown": "Hey just joined the competition, while I was trying to process the dataset, I noticed that some dcm images have shape (1,512,512) and others have shape (512,N,512) can someone pls explain what this means?"
    }
  ],
  "comments": [
    {
      "id": 3288236,
      "author_name": "Evan Calabrese",
      "author_url": "",
      "post_date": "2025-09-13T12:48:54.320000",
      "content": "<p>There are some \"enhanced\" or \"multi-frame\" DICOM files in the dataset that store entire 3D images in a single file. These DICOMS store multiple 2D image slices in a \"frame\" dimension. I am guessing that is what you are encountering. </p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3288236": "There are some \"enhanced\" or \"multi-frame\" DICOM files in the dataset that store entire 3D images in a single file. These DICOMS store multiple 2D image slices in a \"frame\" dimension. I am guessing that is what you are encountering. ",
    "3287999": "Hey just joined the competition, while I was trying to process the dataset, I noticed that some dcm images have shape (1,512,512) and others have shape (512,N,512) can someone pls explain what this means?"
  }
}