{
  "id": 593969,
  "title": "Regarding rotation of segmentation data",
  "url": "/competitions/rsna-intracranial-aneurysm-detection/discussion/593969",
  "author_name": "koooeo",
  "post_date": "2025-07-31T17:51:40.008000",
  "votes": 0,
  "comment_count": 2,
  "views": 0,
  "content": "<p>Why are segmentation images rotated relative to their corresponding DICOM images?<br>\nDo they need to be preprocessed appropriately to align them to the same position as the DICOM images?</p>",
  "messages": [
    {
      "id": 3265743,
      "postDate": "2025-08-07T22:37:07.797Z",
      "content": "<p>This is an issue for a relatively small number of the segmentations, and we are working on a fix (its a simple z swap if you want to test it out). Lookout for a pinned post soon. Most of the segmentations should match the images.</p>",
      "rawMarkdown": "This is an issue for a relatively small number of the segmentations, and we are working on a fix (its a simple z swap if you want to test it out). Lookout for a pinned post soon. Most of the segmentations should match the images.",
      "votes": 1,
      "replies": [
        {
          "id": 3266299,
          "postDate": "2025-08-08T18:50:50.503Z",
          "content": "<p>Some of my doubts have been cleared up, thank you!</p>",
          "rawMarkdown": "Some of my doubts have been cleared up, thank you!"
        }
      ]
    },
    {
      "id": 3259024,
      "postDate": "2025-07-31T17:51:40.010Z",
      "content": "<p>Why are segmentation images rotated relative to their corresponding DICOM images?<br>\nDo they need to be preprocessed appropriately to align them to the same position as the DICOM images?</p>",
      "rawMarkdown": "Why are segmentation images rotated relative to their corresponding DICOM images?\nDo they need to be preprocessed appropriately to align them to the same position as the DICOM images?"
    }
  ],
  "comments": [
    {
      "id": 3265743,
      "author_name": "Evan Calabrese",
      "author_url": "",
      "post_date": "2025-08-07T22:37:07.797000",
      "content": "<p>This is an issue for a relatively small number of the segmentations, and we are working on a fix (its a simple z swap if you want to test it out). Lookout for a pinned post soon. Most of the segmentations should match the images.</p>",
      "votes": 1,
      "replies": [
        {
          "id": 3266299,
          "author_name": "koooeo",
          "author_url": "",
          "post_date": "2025-08-08T18:50:50.503000",
          "content": "<p>Some of my doubts have been cleared up, thank you!</p>",
          "votes": 0,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "3265743": "This is an issue for a relatively small number of the segmentations, and we are working on a fix (its a simple z swap if you want to test it out). Lookout for a pinned post soon. Most of the segmentations should match the images.",
    "3259024": "Why are segmentation images rotated relative to their corresponding DICOM images?\nDo they need to be preprocessed appropriately to align them to the same position as the DICOM images?"
  }
}