{
  "id": 218175,
  "title": "Hierarchy of Classes",
  "url": "/competitions/vinbigdata-chest-xray-abnormalities-detection/discussion/218175",
  "author_name": "JIN",
  "post_date": "2021-02-09T14:45:12.716000",
  "votes": 14,
  "comment_count": 3,
  "views": 0,
  "content": "<p>Hi guys, I just start to join this competition and I found paper which is 2nd place solution in <a href=\"https://stanfordmlgroup.github.io/competitions/chexpert/\" target=\"_blank\">CheXpert</a> competition.</p>\n<p><a href=\"https://arxiv.org/pdf/1911.06475\" target=\"_blank\">https://arxiv.org/pdf/1911.06475</a></p>\n<p>This paper is written by Vingroup Big Data Institute(Competition Host)</p>\n<p>It's seems like that there is hierarchy of Classes(ex Lung Opacity --&gt; Atelectasis) And They also tried to train model depend on hierarchy of diseases and ensemble.</p>\n<p><img src=\"https://drive.google.com/uc?export=view&amp;id=1mN4SNZrToK62H6vgkkKM-dIdOPaxepLj\" alt=\"\"></p>\n<p>So it's might helpful consider Hierarchy of Diseases when you are doing pre/post processing.</p>\n<p>Hope to be helpful this information. Thanks</p>",
  "messages": [
    {
      "id": 1193271,
      "postDate": "2021-02-09T14:45:12.717Z",
      "content": "<p>Hi guys, I just start to join this competition and I found paper which is 2nd place solution in <a href=\"https://stanfordmlgroup.github.io/competitions/chexpert/\" target=\"_blank\">CheXpert</a> competition.</p>\n<p><a href=\"https://arxiv.org/pdf/1911.06475\" target=\"_blank\">https://arxiv.org/pdf/1911.06475</a></p>\n<p>This paper is written by Vingroup Big Data Institute(Competition Host)</p>\n<p>It's seems like that there is hierarchy of Classes(ex Lung Opacity --&gt; Atelectasis) And They also tried to train model depend on hierarchy of diseases and ensemble.</p>\n<p><img src=\"https://drive.google.com/uc?export=view&amp;id=1mN4SNZrToK62H6vgkkKM-dIdOPaxepLj\" alt=\"\"></p>\n<p>So it's might helpful consider Hierarchy of Diseases when you are doing pre/post processing.</p>\n<p>Hope to be helpful this information. Thanks</p>",
      "rawMarkdown": "Hi guys, I just start to join this competition and I found paper which is 2nd place solution in [CheXpert](https://stanfordmlgroup.github.io/competitions/chexpert/) competition.\n\n[https://arxiv.org/pdf/1911.06475](https://arxiv.org/pdf/1911.06475)\n\nThis paper is written by Vingroup Big Data Institute(Competition Host)\n\nIt's seems like that there is hierarchy of Classes(ex Lung Opacity --> Atelectasis) And They also tried to train model depend on hierarchy of diseases and ensemble.\n\n![](https://drive.google.com/uc?export=view&id=1mN4SNZrToK62H6vgkkKM-dIdOPaxepLj\")\n\nSo it's might helpful consider Hierarchy of Diseases when you are doing pre/post processing.\n\nHope to be helpful this information. Thanks",
      "votes": 14
    },
    {
      "id": 1200598,
      "postDate": "2021-02-14T19:15:58.800Z",
      "content": "<p>Hi <a href=\"https://www.kaggle.com/jinssaa\" target=\"_blank\">@jinssaa</a>,<br>\nlung opacity and atelectasis are not diseases, but certain features on imaging. This figure is ambiguous, what is the purpose of consolidation? A lesion is also a collective term - it could mean pneumonia, cancer, etc. There are also many other diseases that needed to be classified. For ex. we may classify diseases as: </p>\n<ol>\n<li>Lung/parenchymal diseases</li>\n<li>Airways diseases</li>\n<li>Pleural diseases</li>\n<li>Mediastinal diseases</li>\n<li>Blood vessel diseases </li>\n<li>Bone diseases</li>\n</ol>",
      "rawMarkdown": "Hi @jinssaa,\nlung opacity and atelectasis are not diseases, but certain features on imaging. This figure is ambiguous, what is the purpose of consolidation? A lesion is also a collective term - it could mean pneumonia, cancer, etc. There are also many other diseases that needed to be classified. For ex. we may classify diseases as: \n1. Lung/parenchymal diseases\n2. Airways diseases\n3. Pleural diseases\n4. Mediastinal diseases\n5. Blood vessel diseases \n5. Bone diseases",
      "replies": [
        {
          "id": 1200784,
          "postDate": "2021-02-15T02:22:15.713Z",
          "content": "<p>Thank you for mentioning <a href=\"https://www.kaggle.com/Medaxone\" target=\"_blank\">@Medaxone</a>.<br>\nYeah I might say combination of classes as well.<br>\nNow I'm starting to read below NB and Discuss to understand medical domain knowledge. </p>\n<p><a href=\"https://www.kaggle.com/zahaviguy/what-are-lung-opacities\" target=\"_blank\">https://www.kaggle.com/zahaviguy/what-are-lung-opacities</a><br>\n<a href=\"https://www.kaggle.com/sakuraandblackcat/chest-x-ray-knowledges-for-the-14-abnormalities\" target=\"_blank\">https://www.kaggle.com/sakuraandblackcat/chest-x-ray-knowledges-for-the-14-abnormalities</a><br>\n<a href=\"https://www.kaggle.com/c/vinbigdata-chest-xray-abnormalities-detection/discussion/212859\" target=\"_blank\">https://www.kaggle.com/c/vinbigdata-chest-xray-abnormalities-detection/discussion/212859</a></p>\n<p>It might help to understand  I want to know what classes mean is</p>",
          "rawMarkdown": "Thank you for mentioning @Medaxone.\nYeah I might say combination of classes as well.\nNow I'm starting to read below NB and Discuss to understand medical domain knowledge. \n\n[https://www.kaggle.com/zahaviguy/what-are-lung-opacities](https://www.kaggle.com/zahaviguy/what-are-lung-opacities)\n[https://www.kaggle.com/sakuraandblackcat/chest-x-ray-knowledges-for-the-14-abnormalities](https://www.kaggle.com/sakuraandblackcat/chest-x-ray-knowledges-for-the-14-abnormalities)\n[https://www.kaggle.com/c/vinbigdata-chest-xray-abnormalities-detection/discussion/212859](https://www.kaggle.com/c/vinbigdata-chest-xray-abnormalities-detection/discussion/212859)\n\nIt might help to understand  I want to know what classes mean is"
        }
      ]
    },
    {
      "id": 1252890,
      "postDate": "2021-03-26T06:39:03.177Z",
      "content": "<p>thank you very much</p>",
      "rawMarkdown": "thank you very much"
    }
  ],
  "comments": [
    {
      "id": 1200598,
      "author_name": "Medaxone",
      "author_url": "",
      "post_date": "2021-02-14T19:15:58.800000",
      "content": "<p>Hi <a href=\"https://www.kaggle.com/jinssaa\" target=\"_blank\">@jinssaa</a>,<br>\nlung opacity and atelectasis are not diseases, but certain features on imaging. This figure is ambiguous, what is the purpose of consolidation? A lesion is also a collective term - it could mean pneumonia, cancer, etc. There are also many other diseases that needed to be classified. For ex. we may classify diseases as: </p>\n<ol>\n<li>Lung/parenchymal diseases</li>\n<li>Airways diseases</li>\n<li>Pleural diseases</li>\n<li>Mediastinal diseases</li>\n<li>Blood vessel diseases </li>\n<li>Bone diseases</li>\n</ol>",
      "votes": 0,
      "replies": [
        {
          "id": 1200784,
          "author_name": "JIN",
          "author_url": "",
          "post_date": "2021-02-15T02:22:15.713000",
          "content": "<p>Thank you for mentioning <a href=\"https://www.kaggle.com/Medaxone\" target=\"_blank\">@Medaxone</a>.<br>\nYeah I might say combination of classes as well.<br>\nNow I'm starting to read below NB and Discuss to understand medical domain knowledge. </p>\n<p><a href=\"https://www.kaggle.com/zahaviguy/what-are-lung-opacities\" target=\"_blank\">https://www.kaggle.com/zahaviguy/what-are-lung-opacities</a><br>\n<a href=\"https://www.kaggle.com/sakuraandblackcat/chest-x-ray-knowledges-for-the-14-abnormalities\" target=\"_blank\">https://www.kaggle.com/sakuraandblackcat/chest-x-ray-knowledges-for-the-14-abnormalities</a><br>\n<a href=\"https://www.kaggle.com/c/vinbigdata-chest-xray-abnormalities-detection/discussion/212859\" target=\"_blank\">https://www.kaggle.com/c/vinbigdata-chest-xray-abnormalities-detection/discussion/212859</a></p>\n<p>It might help to understand  I want to know what classes mean is</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 1252890,
      "author_name": "EunilJung",
      "author_url": "",
      "post_date": "2021-03-26T06:39:03.177000",
      "content": "<p>thank you very much</p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1193271": "Hi guys, I just start to join this competition and I found paper which is 2nd place solution in [CheXpert](https://stanfordmlgroup.github.io/competitions/chexpert/) competition.\n\n[https://arxiv.org/pdf/1911.06475](https://arxiv.org/pdf/1911.06475)\n\nThis paper is written by Vingroup Big Data Institute(Competition Host)\n\nIt's seems like that there is hierarchy of Classes(ex Lung Opacity --> Atelectasis) And They also tried to train model depend on hierarchy of diseases and ensemble.\n\n![](https://drive.google.com/uc?export=view&id=1mN4SNZrToK62H6vgkkKM-dIdOPaxepLj\")\n\nSo it's might helpful consider Hierarchy of Diseases when you are doing pre/post processing.\n\nHope to be helpful this information. Thanks",
    "1200598": "Hi @jinssaa,\nlung opacity and atelectasis are not diseases, but certain features on imaging. This figure is ambiguous, what is the purpose of consolidation? A lesion is also a collective term - it could mean pneumonia, cancer, etc. There are also many other diseases that needed to be classified. For ex. we may classify diseases as: \n1. Lung/parenchymal diseases\n2. Airways diseases\n3. Pleural diseases\n4. Mediastinal diseases\n5. Blood vessel diseases \n5. Bone diseases",
    "1252890": "thank you very much"
  }
}