{
  "id": 240074,
  "title": "Multiple Image Study Annotations",
  "url": "/competitions/siim-covid19-detection/discussion/240074",
  "author_name": "",
  "post_date": "2021-05-18T13:24:34.023823900Z",
  "votes": 2,
  "comment_count": 2,
  "views": 0,
  "content": "<p>For a given study, images without bounding box annotations look very similar to the image that is annotated for the same study. What does this tell us? Are non-annotated images free of abnormality or they are just not annotated?</p>\n<p>For example study instance <code>4ba72e5afc03</code>: <a href=\"https://ibb.co/59RqHx6\" target=\"_blank\">https://ibb.co/59RqHx6</a></p>\n<p>Two images look like different shifted versions. I am not a medical expert so I am not able to tell whether an abnormality is present in the non-annotated image. Could you provide more information about the studies with multiple images? </p>",
  "messages": [
    {
      "id": "1313258",
      "postDate": "05/18/2021 13:24:34",
      "content": "<p>For a given study, images without bounding box annotations look very similar to the image that is annotated for the same study. What does this tell us? Are non-annotated images free of abnormality or they are just not annotated?</p>\n<p>For example study instance <code>4ba72e5afc03</code>: <a href=\"https://ibb.co/59RqHx6\" target=\"_blank\">https://ibb.co/59RqHx6</a></p>\n<p>Two images look like different shifted versions. I am not a medical expert so I am not able to tell whether an abnormality is present in the non-annotated image. Could you provide more information about the studies with multiple images? </p>",
      "rawMarkdown": "For a given study, images without bounding box annotations look very similar to the image that is annotated for the same study. What does this tell us? Are non-annotated images free of abnormality or they are just not annotated?\n\nFor example study instance `4ba72e5afc03`: https://ibb.co/59RqHx6\n\nTwo images look like different shifted versions. I am not a medical expert so I am not able to tell whether an abnormality is present in the non-annotated image. Could you provide more information about the studies with multiple images?",
      "votes": null
    },
    {
      "id": "1313642",
      "postDate": "05/18/2021 16:33:59",
      "content": "<p>Both images are from the same physical acquisition, one presumably original; one shifted. Based on the images, both have lung opacities.</p>",
      "rawMarkdown": "Both images are from the same physical acquisition, one presumably original; one shifted. Based on the images, both have lung opacities.",
      "votes": null
    },
    {
      "id": "1313911",
      "postDate": "05/18/2021 19:40:48",
      "content": "<p>Thank you!</p>",
      "rawMarkdown": "Thank you!",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1313642,
      "author_name": "alexandrecc",
      "author_url": "",
      "post_date": "05/18/2021 16:33:59",
      "content": "<p>Both images are from the same physical acquisition, one presumably original; one shifted. Based on the images, both have lung opacities.</p>",
      "votes": null,
      "replies": [
        {
          "id": 1313911,
          "author_name": "keremt",
          "author_url": "",
          "post_date": "05/18/2021 19:40:48",
          "content": "<p>Thank you!</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "1313258": "For a given study, images without bounding box annotations look very similar to the image that is annotated for the same study. What does this tell us? Are non-annotated images free of abnormality or they are just not annotated?\n\nFor example study instance `4ba72e5afc03`: https://ibb.co/59RqHx6\n\nTwo images look like different shifted versions. I am not a medical expert so I am not able to tell whether an abnormality is present in the non-annotated image. Could you provide more information about the studies with multiple images?",
    "1313642": "Both images are from the same physical acquisition, one presumably original; one shifted. Based on the images, both have lung opacities.",
    "1313911": "Thank you!"
  },
  "source": "meta"
}