{
  "id": 531771,
  "title": "Human error ???",
  "url": "/competitions/rsna-2024-lumbar-spine-degenerative-classification/discussion/531771",
  "author_name": "",
  "post_date": "2024-09-03T02:47:41.582576Z",
  "votes": 13,
  "comment_count": 6,
  "views": 0,
  "content": "<p>Here is an image showing the error ground truth given.<br>\nI don't think human make such a mistake.</p>\n<p>Hence i think the labeling process could be:</p>\n<ul>\n<li>lablled by some machine model</li>\n<li>verified by human annotator</li>\n</ul>\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F113660%2F104e641bfd19673a706f6e1690a54972%2FSelection_999(5992).png?generation=1725331578524493&amp;alt=media\" alt=\"\"></p>",
  "messages": [
    {
      "id": "2977602",
      "postDate": "09/03/2024 02:47:41",
      "content": "<p>Here is an image showing the error ground truth given.<br>\nI don't think human make such a mistake.</p>\n<p>Hence i think the labeling process could be:</p>\n<ul>\n<li>lablled by some machine model</li>\n<li>verified by human annotator</li>\n</ul>\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F113660%2F104e641bfd19673a706f6e1690a54972%2FSelection_999(5992).png?generation=1725331578524493&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "Here is an image showing the error ground truth given.\nI don't think human make such a mistake.\n\nHence i think the labeling process could be:\n- lablled by some machine model\n- verified by human annotator\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F113660%2F104e641bfd19673a706f6e1690a54972%2FSelection_999(5992).png?generation=1725331578524493&alt=media)",
      "votes": null
    },
    {
      "id": "2977735",
      "postDate": "09/03/2024 06:53:01",
      "content": "<p>I also agree with you. Aside from that, I think there are many wrong coordinates in foraminal narrowing.<br>\n In some samples (ex study id: 3480260143), there is a huge difference in left and right coordinates at the same disk level.</p>",
      "rawMarkdown": "I also agree with you. Aside from that, I think there are many wrong coordinates in foraminal narrowing.\n In some samples (ex study id: 3480260143), there is a huge difference in left and right coordinates at the same disk level.",
      "votes": null
    },
    {
      "id": "2979563",
      "postDate": "09/04/2024 22:25:56",
      "content": "<p>It has to be human annotated, looking at how accurate it was for the foramina</p>",
      "rawMarkdown": "It has to be human annotated, looking at how accurate it was for the foramina",
      "votes": null
    },
    {
      "id": "2981011",
      "postDate": "09/06/2024 12:03:20",
      "content": "<p>If the labelling was done on axial, then I could see how the mistake could be made. Not on sagittal though</p>",
      "rawMarkdown": "If the labelling was done on axial, then I could see how the mistake could be made. Not on sagittal though",
      "votes": null
    },
    {
      "id": "2992906",
      "postDate": "09/19/2024 08:28:09",
      "content": "<p>Hope these kind of mistakes are not there in hidden test set otherwise good model will get bad scores.</p>",
      "rawMarkdown": "Hope these kind of mistakes are not there in hidden test set otherwise good model will get bad scores.",
      "votes": null
    },
    {
      "id": "2992975",
      "postDate": "09/19/2024 10:13:59",
      "content": "<p>you can do a probe to see if hidden contains these.<br>\nyou need to study the kaggle train data and see how you can detect misalignment label from your prediction</p>",
      "rawMarkdown": "you can do a probe to see if hidden contains these.\nyou need to study the kaggle train data and see how you can detect misalignment label from your prediction",
      "votes": null
    },
    {
      "id": "2997434",
      "postDate": "09/24/2024 14:33:11",
      "content": "<p>Is this error random or consistent?</p>",
      "rawMarkdown": "Is this error random or consistent?",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2977735,
      "author_name": "bmejspark",
      "author_url": "",
      "post_date": "09/03/2024 06:53:01",
      "content": "<p>I also agree with you. Aside from that, I think there are many wrong coordinates in foraminal narrowing.<br>\n In some samples (ex study id: 3480260143), there is a huge difference in left and right coordinates at the same disk level.</p>",
      "votes": null,
      "replies": [
        {
          "id": 2979563,
          "author_name": "theexaltedone",
          "author_url": "",
          "post_date": "09/04/2024 22:25:56",
          "content": "<p>It has to be human annotated, looking at how accurate it was for the foramina</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 2981011,
      "author_name": "reubenschmidt",
      "author_url": "",
      "post_date": "09/06/2024 12:03:20",
      "content": "<p>If the labelling was done on axial, then I could see how the mistake could be made. Not on sagittal though</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 2992906,
      "author_name": "rohitchaudhari25",
      "author_url": "",
      "post_date": "09/19/2024 08:28:09",
      "content": "<p>Hope these kind of mistakes are not there in hidden test set otherwise good model will get bad scores.</p>",
      "votes": null,
      "replies": [
        {
          "id": 2992975,
          "author_name": "hengck23",
          "author_url": "",
          "post_date": "09/19/2024 10:13:59",
          "content": "<p>you can do a probe to see if hidden contains these.<br>\nyou need to study the kaggle train data and see how you can detect misalignment label from your prediction</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 2997434,
      "author_name": "",
      "author_url": "",
      "post_date": "09/24/2024 14:33:11",
      "content": "<p>Is this error random or consistent?</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2977602": "Here is an image showing the error ground truth given.\nI don't think human make such a mistake.\n\nHence i think the labeling process could be:\n- lablled by some machine model\n- verified by human annotator\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F113660%2F104e641bfd19673a706f6e1690a54972%2FSelection_999(5992).png?generation=1725331578524493&alt=media)",
    "2977735": "I also agree with you. Aside from that, I think there are many wrong coordinates in foraminal narrowing.\n In some samples (ex study id: 3480260143), there is a huge difference in left and right coordinates at the same disk level.",
    "2979563": "It has to be human annotated, looking at how accurate it was for the foramina",
    "2981011": "If the labelling was done on axial, then I could see how the mistake could be made. Not on sagittal though",
    "2992906": "Hope these kind of mistakes are not there in hidden test set otherwise good model will get bad scores.",
    "2992975": "you can do a probe to see if hidden contains these.\nyou need to study the kaggle train data and see how you can detect misalignment label from your prediction",
    "2997434": "Is this error random or consistent?"
  },
  "source": "meta"
}