{
  "id": 380657,
  "title": "Best NN Score?",
  "url": "/competitions/rsna-breast-cancer-detection/discussion/380657",
  "author_name": "Ali Abdin",
  "post_date": "2023-01-23T18:27:37.834000",
  "votes": 3,
  "comment_count": 6,
  "views": 0,
  "content": "<p>Just out of curiosity and so that people are able to compare their solutions.</p>\n<p>To everyone who tried a neural network based approach, following question:</p>\n<ul>\n<li>What is the highest score you can achieve by using a single NN?</li>\n<li>What is the highest score you can achieve by using an ensemble of NNs?</li>\n</ul>",
  "messages": [
    {
      "id": 2112650,
      "postDate": "2023-01-23T18:27:37.833Z",
      "content": "<p>Just out of curiosity and so that people are able to compare their solutions.</p>\n<p>To everyone who tried a neural network based approach, following question:</p>\n<ul>\n<li>What is the highest score you can achieve by using a single NN?</li>\n<li>What is the highest score you can achieve by using an ensemble of NNs?</li>\n</ul>",
      "rawMarkdown": "Just out of curiosity and so that people are able to compare their solutions.\n\nTo everyone who tried a neural network based approach, following question:\n\n- What is the highest score you can achieve by using a single NN?\n- What is the highest score you can achieve by using an ensemble of NNs?\n",
      "votes": 3
    },
    {
      "id": 2112700,
      "postDate": "2023-01-23T19:09:41.263Z",
      "content": "<p>as far as I know - reading what people said in discussion topics:</p>\n<ul>\n<li>single CNN model: 0.58</li>\n<li>single CNN model 4 folds blend - 0.63</li>\n</ul>\n<p>source: <a href=\"https://www.kaggle.com/competitions/rsna-breast-cancer-detection/discussion/370333#2110198\" target=\"_blank\">https://www.kaggle.com/competitions/rsna-breast-cancer-detection/discussion/370333#2110198</a></p>",
      "rawMarkdown": "as far as I know - reading what people said in discussion topics:\n- single CNN model: 0.58\n- single CNN model 4 folds blend - 0.63\n\nsource: https://www.kaggle.com/competitions/rsna-breast-cancer-detection/discussion/370333#2110198",
      "votes": 1
    },
    {
      "id": 2113328,
      "postDate": "2023-01-24T08:22:39.467Z",
      "content": "<p>Single ConvNextV2Base model with 1344x768 resolution images achieves LB 0.53</p>",
      "rawMarkdown": "Single ConvNextV2Base model with 1344x768 resolution images achieves LB 0.53",
      "votes": 2,
      "replies": [
        {
          "id": 2113438,
          "postDate": "2023-01-24T09:31:24.770Z",
          "content": "<p>based on my experiments and the posts in the forum, i can conclude:</p>\n<ol>\n<li>for resolution 1024, model (after ensemble) performance is limited to ~0.50.</li>\n<li>for single model above 0.50, one needs to go beyond 1024.</li>\n<li>generally better results for higher resolution and stronger model. (but i cannot go better beyond 1536~2048 which i don't know why … ). both transformer and CNN can achieve high score of 0.58. </li>\n</ol>",
          "rawMarkdown": "based on my experiments and the posts in the forum, i can conclude:\n\n1. for resolution 1024, model (after ensemble) performance is limited to ~0.50.\n2. for single model above 0.50, one needs to go beyond 1024.\n3. generally better results for higher resolution and stronger model. (but i cannot go better beyond 1536~2048 which i don't know why ... ). both transformer and CNN can achieve high score of 0.58. ",
          "votes": 2,
          "replies": [
            {
              "id": 2114896,
              "postDate": "2023-01-25T10:03:51.493Z",
              "content": "<p>Actually in 1024x1024, I got 0.53 for single model, and 0.54 for ensemble 3 models (more model will exceed time.)</p>\n<p>But I also tried larger size, such as 1280x1280 (my machine only have 24G gpu mem), the cv is higher but LB is worse.</p>",
              "rawMarkdown": "Actually in 1024x1024, I got 0.53 for single model, and 0.54 for ensemble 3 models (more model will exceed time.)\n\nBut I also tried larger size, such as 1280x1280 (my machine only have 24G gpu mem), the cv is higher but LB is worse."
            }
          ]
        },
        {
          "id": 2114901,
          "postDate": "2023-01-25T10:05:21.390Z",
          "content": "<p>Thx for sharing, so we can use ConvNextV2, regardless of the license?</p>",
          "rawMarkdown": "Thx for sharing, so we can use ConvNextV2, regardless of the license?",
          "replies": [
            {
              "id": 2114950,
              "postDate": "2023-01-25T10:57:14.420Z",
              "content": "<p>if you win, i think ConvNextV2 solution cannot claim prize money.<br>\nthe shakeup could be big. who knows if your solution will be shakeup?</p>",
              "rawMarkdown": "if you win, i think ConvNextV2 solution cannot claim prize money.\nthe shakeup could be big. who knows if your solution will be shakeup?"
            }
          ]
        }
      ]
    }
  ],
  "comments": [
    {
      "id": 2112700,
      "author_name": "Remek Kinas",
      "author_url": "",
      "post_date": "2023-01-23T19:09:41.263000",
      "content": "<p>as far as I know - reading what people said in discussion topics:</p>\n<ul>\n<li>single CNN model: 0.58</li>\n<li>single CNN model 4 folds blend - 0.63</li>\n</ul>\n<p>source: <a href=\"https://www.kaggle.com/competitions/rsna-breast-cancer-detection/discussion/370333#2110198\" target=\"_blank\">https://www.kaggle.com/competitions/rsna-breast-cancer-detection/discussion/370333#2110198</a></p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 2113328,
      "author_name": "Mark Wijkhuizen",
      "author_url": "",
      "post_date": "2023-01-24T08:22:39.467000",
      "content": "<p>Single ConvNextV2Base model with 1344x768 resolution images achieves LB 0.53</p>",
      "votes": 2,
      "replies": [
        {
          "id": 2113438,
          "author_name": "hengck23",
          "author_url": "",
          "post_date": "2023-01-24T09:31:24.770000",
          "content": "<p>based on my experiments and the posts in the forum, i can conclude:</p>\n<ol>\n<li>for resolution 1024, model (after ensemble) performance is limited to ~0.50.</li>\n<li>for single model above 0.50, one needs to go beyond 1024.</li>\n<li>generally better results for higher resolution and stronger model. (but i cannot go better beyond 1536~2048 which i don't know why … ). both transformer and CNN can achieve high score of 0.58. </li>\n</ol>",
          "votes": 2,
          "replies": [
            {
              "id": 2114896,
              "author_name": "Mr.Fire",
              "author_url": "",
              "post_date": "2023-01-25T10:03:51.493000",
              "content": "<p>Actually in 1024x1024, I got 0.53 for single model, and 0.54 for ensemble 3 models (more model will exceed time.)</p>\n<p>But I also tried larger size, such as 1280x1280 (my machine only have 24G gpu mem), the cv is higher but LB is worse.</p>",
              "votes": 0,
              "replies": []
            }
          ]
        },
        {
          "id": 2114901,
          "author_name": "Mr.Fire",
          "author_url": "",
          "post_date": "2023-01-25T10:05:21.390000",
          "content": "<p>Thx for sharing, so we can use ConvNextV2, regardless of the license?</p>",
          "votes": 0,
          "replies": [
            {
              "id": 2114950,
              "author_name": "hengck23",
              "author_url": "",
              "post_date": "2023-01-25T10:57:14.420000",
              "content": "<p>if you win, i think ConvNextV2 solution cannot claim prize money.<br>\nthe shakeup could be big. who knows if your solution will be shakeup?</p>",
              "votes": 0,
              "replies": []
            }
          ]
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "2112650": "Just out of curiosity and so that people are able to compare their solutions.\n\nTo everyone who tried a neural network based approach, following question:\n\n- What is the highest score you can achieve by using a single NN?\n- What is the highest score you can achieve by using an ensemble of NNs?\n",
    "2112700": "as far as I know - reading what people said in discussion topics:\n- single CNN model: 0.58\n- single CNN model 4 folds blend - 0.63\n\nsource: https://www.kaggle.com/competitions/rsna-breast-cancer-detection/discussion/370333#2110198",
    "2113328": "Single ConvNextV2Base model with 1344x768 resolution images achieves LB 0.53"
  }
}