{
  "id": 115366,
  "title": "Label smoothing question",
  "url": "/competitions/understanding_cloud_organization/discussion/115366",
  "author_name": "",
  "post_date": "2019-11-02T09:23:26.214793200Z",
  "votes": 1,
  "comment_count": 2,
  "views": 0,
  "content": "<p>My loss function is BCELoss. I try to use label smoothing, but it actually doesn't work.My  CV dice score  decrease from 0.64 to 0.3. sad! \nI wonder only cross entropy loss can use label smoothing? \nAnd what's the correct way to use it.\nVery Thanks. This tortured me all day long</p>",
  "messages": [
    {
      "id": "663551",
      "postDate": "11/02/2019 09:23:26",
      "content": "<p>My loss function is BCELoss. I try to use label smoothing, but it actually doesn't work.My  CV dice score  decrease from 0.64 to 0.3. sad! \nI wonder only cross entropy loss can use label smoothing? \nAnd what's the correct way to use it.\nVery Thanks. This tortured me all day long</p>",
      "rawMarkdown": "My loss function is BCELoss. I try to use label smoothing, but it actually doesn't work.My  CV dice score  decrease from 0.64 to 0.3. sad! \nI wonder only cross entropy loss can use label smoothing? \nAnd what's the correct way to use it.\nVery Thanks. This tortured me all day long",
      "votes": null
    },
    {
      "id": "665449",
      "postDate": "11/05/2019 02:47:13",
      "content": "<p>Friend ,first , you  must  understand  why  Label  smoothing  work  before ,  and  then   you   will    know    why   your   Label  smoothing   don't  work   here.</p>",
      "rawMarkdown": "Friend ,first , you  must  understand  why  Label  smoothing  work  before ,  and  then   you   will    know    why   your   Label  smoothing   don't  work   here.",
      "votes": null
    },
    {
      "id": "666407",
      "postDate": "11/06/2019 04:39:54",
      "content": "<p>the label is already noisy. don't need to smooth again</p>\n\n<p>\"And what's the correct way to use it.\"\nthe correct way to use it is to find a good noise value in label smoothing, which in this case could be optimum noise level = 0</p>",
      "rawMarkdown": "the label is already noisy. don't need to smooth again\n\n\"And what's the correct way to use it.\"\nthe correct way to use it is to find a good noise value in label smoothing, which in this case could be optimum noise level = 0",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 665449,
      "author_name": "xujingzhao",
      "author_url": "",
      "post_date": "11/05/2019 02:47:13",
      "content": "<p>Friend ,first , you  must  understand  why  Label  smoothing  work  before ,  and  then   you   will    know    why   your   Label  smoothing   don't  work   here.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 666407,
      "author_name": "hengck23",
      "author_url": "",
      "post_date": "11/06/2019 04:39:54",
      "content": "<p>the label is already noisy. don't need to smooth again</p>\n\n<p>\"And what's the correct way to use it.\"\nthe correct way to use it is to find a good noise value in label smoothing, which in this case could be optimum noise level = 0</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "663551": "My loss function is BCELoss. I try to use label smoothing, but it actually doesn't work.My  CV dice score  decrease from 0.64 to 0.3. sad! \nI wonder only cross entropy loss can use label smoothing? \nAnd what's the correct way to use it.\nVery Thanks. This tortured me all day long",
    "665449": "Friend ,first , you  must  understand  why  Label  smoothing  work  before ,  and  then   you   will    know    why   your   Label  smoothing   don't  work   here.",
    "666407": "the label is already noisy. don't need to smooth again\n\n\"And what's the correct way to use it.\"\nthe correct way to use it is to find a good noise value in label smoothing, which in this case could be optimum noise level = 0"
  },
  "source": "meta"
}