{
  "id": 76719,
  "title": "How much do you gain after using external data?",
  "url": "/competitions/human-protein-atlas-image-classification/discussion/76719",
  "author_name": "",
  "post_date": "2019-01-06T01:49:24.159193700Z",
  "votes": 6,
  "comment_count": 10,
  "views": 0,
  "content": "<p>Hi, may I ask how much LB do you boost after using external data? For me:\n1. ResNet18 is about 0.04 (0.45-&gt;0.49 single fold)\n2. ResNet50 is about 0.05 (0.48-&gt;0.53 single fold)</p>",
  "messages": [
    {
      "id": "450878",
      "postDate": "01/06/2019 01:49:24",
      "content": "<p>Hi, may I ask how much LB do you boost after using external data? For me:\n1. ResNet18 is about 0.04 (0.45-&gt;0.49 single fold)\n2. ResNet50 is about 0.05 (0.48-&gt;0.53 single fold)</p>",
      "rawMarkdown": "Hi, may I ask how much LB do you boost after using external data? For me:\n1. ResNet18 is about 0.04 (0.45-&gt;0.49 single fold)\n2. ResNet50 is about 0.05 (0.48-&gt;0.53 single fold)",
      "votes": null
    },
    {
      "id": "450889",
      "postDate": "01/06/2019 02:41:19",
      "content": "<p>For me, using the external data worsens the result.\nI do have a feeling that I might be doing something wrong though.</p>",
      "rawMarkdown": "For me, using the external data worsens the result.\nI do have a feeling that I might be doing something wrong though.",
      "votes": null
    },
    {
      "id": "450907",
      "postDate": "01/06/2019 03:55:06",
      "content": "<p>I got ~0.05-0.1 gain for models I tested.</p>",
      "rawMarkdown": "I got ~0.05-0.1 gain for models I tested.",
      "votes": null
    },
    {
      "id": "450911",
      "postDate": "01/06/2019 04:28:29",
      "content": "<p>you can try <a href=\"https://www.kaggle.com/c/human-protein-atlas-image-classification/discussion/75691#446302\">https://www.kaggle.com/c/human-protein-atlas-image-classification/discussion/75691#446302</a></p>",
      "rawMarkdown": "you can try https://www.kaggle.com/c/human-protein-atlas-image-classification/discussion/75691#446302",
      "votes": null
    },
    {
      "id": "450913",
      "postDate": "01/06/2019 04:30:48",
      "content": "<p>emm, 0.1 is great. \nMay I ask what is the model and loss function for 0.1? \nCurrently, resnet50+focal loss is best for me.</p>",
      "rawMarkdown": "emm, 0.1 is great. \nMay I ask what is the model and loss function for 0.1? \nCurrently, resnet50+focal loss is best for me.",
      "votes": null
    },
    {
      "id": "450990",
      "postDate": "01/06/2019 08:17:46",
      "content": "<p>It depends on whether or not you exclude the leak from the data.</p>",
      "rawMarkdown": "It depends on whether or not you exclude the leak from the data.",
      "votes": null
    },
    {
      "id": "451607",
      "postDate": "01/07/2019 10:47:29",
      "content": "<p>For me, it's about 0.1. But I don't think I am using the external data in an exactly right way.  And my model is not very solid so it's looks like a huge approve. BTW I'm using Se-ResNet50</p>",
      "rawMarkdown": "For me, it's about 0.1. But I don't think I am using the external data in an exactly right way.  And my model is not very solid so it's looks like a huge approve. BTW I'm using Se-ResNet50",
      "votes": null
    },
    {
      "id": "451762",
      "postDate": "01/07/2019 16:17:46",
      "content": "<p>ResNeXt50 + focal loss. ResNeXt50 requires about the same resources as ResNet50 but has better performance.</p>",
      "rawMarkdown": "ResNeXt50 + focal loss. ResNeXt50 requires about the same resources as ResNet50 but has better performance.",
      "votes": null
    },
    {
      "id": "451973",
      "postDate": "01/08/2019 01:46:52",
      "content": "<p>Have you tried bce loss? It seems that most people use bce loss instead of focal loss. In my case, bce loss always get worse results than focal loss.</p>",
      "rawMarkdown": "Have you tried bce loss? It seems that most people use bce loss instead of focal loss. In my case, bce loss always get worse results than focal loss.",
      "votes": null
    },
    {
      "id": "451974",
      "postDate": "01/08/2019 01:48:27",
      "content": "<p>Hi, I guess I am also not using external data in the right way. BTW what is the loss function that you are using?</p>",
      "rawMarkdown": "Hi, I guess I am also not using external data in the right way. BTW what is the loss function that you are using?",
      "votes": null
    },
    {
      "id": "451981",
      "postDate": "01/08/2019 02:04:19",
      "content": "<p>When I tested it, I got slightly worse results, but it was quite close. I also tested F1 loss, but it didn't work well on small batches (large images).</p>",
      "rawMarkdown": "When I tested it, I got slightly worse results, but it was quite close. I also tested F1 loss, but it didn't work well on small batches (large images).",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 450889,
      "author_name": "ayerajath",
      "author_url": "",
      "post_date": "01/06/2019 02:41:19",
      "content": "<p>For me, using the external data worsens the result.\nI do have a feeling that I might be doing something wrong though.</p>",
      "votes": null,
      "replies": [
        {
          "id": 450911,
          "author_name": "zjucor",
          "author_url": "",
          "post_date": "01/06/2019 04:28:29",
          "content": "<p>you can try <a href=\"https://www.kaggle.com/c/human-protein-atlas-image-classification/discussion/75691#446302\">https://www.kaggle.com/c/human-protein-atlas-image-classification/discussion/75691#446302</a></p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 450907,
      "author_name": "iafoss",
      "author_url": "",
      "post_date": "01/06/2019 03:55:06",
      "content": "<p>I got ~0.05-0.1 gain for models I tested.</p>",
      "votes": null,
      "replies": [
        {
          "id": 450913,
          "author_name": "zjucor",
          "author_url": "",
          "post_date": "01/06/2019 04:30:48",
          "content": "<p>emm, 0.1 is great. \nMay I ask what is the model and loss function for 0.1? \nCurrently, resnet50+focal loss is best for me.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 451762,
          "author_name": "iafoss",
          "author_url": "",
          "post_date": "01/07/2019 16:17:46",
          "content": "<p>ResNeXt50 + focal loss. ResNeXt50 requires about the same resources as ResNet50 but has better performance.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 451973,
          "author_name": "zjucor",
          "author_url": "",
          "post_date": "01/08/2019 01:46:52",
          "content": "<p>Have you tried bce loss? It seems that most people use bce loss instead of focal loss. In my case, bce loss always get worse results than focal loss.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 451981,
          "author_name": "iafoss",
          "author_url": "",
          "post_date": "01/08/2019 02:04:19",
          "content": "<p>When I tested it, I got slightly worse results, but it was quite close. I also tested F1 loss, but it didn't work well on small batches (large images).</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 450990,
      "author_name": "petewills",
      "author_url": "",
      "post_date": "01/06/2019 08:17:46",
      "content": "<p>It depends on whether or not you exclude the leak from the data.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 451607,
      "author_name": "snaker",
      "author_url": "",
      "post_date": "01/07/2019 10:47:29",
      "content": "<p>For me, it's about 0.1. But I don't think I am using the external data in an exactly right way.  And my model is not very solid so it's looks like a huge approve. BTW I'm using Se-ResNet50</p>",
      "votes": null,
      "replies": [
        {
          "id": 451974,
          "author_name": "zjucor",
          "author_url": "",
          "post_date": "01/08/2019 01:48:27",
          "content": "<p>Hi, I guess I am also not using external data in the right way. BTW what is the loss function that you are using?</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "450878": "Hi, may I ask how much LB do you boost after using external data? For me:\n1. ResNet18 is about 0.04 (0.45-&gt;0.49 single fold)\n2. ResNet50 is about 0.05 (0.48-&gt;0.53 single fold)",
    "450889": "For me, using the external data worsens the result.\nI do have a feeling that I might be doing something wrong though.",
    "450907": "I got ~0.05-0.1 gain for models I tested.",
    "450911": "you can try https://www.kaggle.com/c/human-protein-atlas-image-classification/discussion/75691#446302",
    "450913": "emm, 0.1 is great. \nMay I ask what is the model and loss function for 0.1? \nCurrently, resnet50+focal loss is best for me.",
    "450990": "It depends on whether or not you exclude the leak from the data.",
    "451607": "For me, it's about 0.1. But I don't think I am using the external data in an exactly right way.  And my model is not very solid so it's looks like a huge approve. BTW I'm using Se-ResNet50",
    "451762": "ResNeXt50 + focal loss. ResNeXt50 requires about the same resources as ResNet50 but has better performance.",
    "451973": "Have you tried bce loss? It seems that most people use bce loss instead of focal loss. In my case, bce loss always get worse results than focal loss.",
    "451974": "Hi, I guess I am also not using external data in the right way. BTW what is the loss function that you are using?",
    "451981": "When I tested it, I got slightly worse results, but it was quite close. I also tested F1 loss, but it didn't work well on small batches (large images)."
  },
  "source": "meta"
}