{
  "id": 406038,
  "title": "what is your LB and CV score comparison",
  "url": "/competitions/vesuvius-challenge-ink-detection/discussion/406038",
  "author_name": "",
  "post_date": "2023-04-30T14:42:57.968524900Z",
  "votes": 4,
  "comment_count": 13,
  "views": 0,
  "content": "<p>I have made 3 folds for each fold I have taken one image as validation, and two as train </p>\n<table>\n<thead>\n<tr>\n<th>validation image</th>\n<th>CV score</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>image 1</td>\n<td>0.47</td>\n</tr>\n<tr>\n<td>image 2</td>\n<td>0.35</td>\n</tr>\n<tr>\n<td>image 3</td>\n<td>0.48</td>\n</tr>\n</tbody>\n</table>\n<p>these are my best scores after doing thresholding <br>\nwhat all you guys are getting?</p>",
  "messages": [
    {
      "id": "2240444",
      "postDate": "04/30/2023 14:42:57",
      "content": "<p>I have made 3 folds for each fold I have taken one image as validation, and two as train </p>\n<table>\n<thead>\n<tr>\n<th>validation image</th>\n<th>CV score</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>image 1</td>\n<td>0.47</td>\n</tr>\n<tr>\n<td>image 2</td>\n<td>0.35</td>\n</tr>\n<tr>\n<td>image 3</td>\n<td>0.48</td>\n</tr>\n</tbody>\n</table>\n<p>these are my best scores after doing thresholding <br>\nwhat all you guys are getting?</p>",
      "rawMarkdown": "I have made 3 folds for each fold I have taken one image as validation, and two as train \n\n| validation image | CV score  |\n| --- | --- |\n| image 1 | 0.47 |\n| image 2 | 0.35 |\n| image 3 | 0.48 |\n\nthese are my best scores after doing thresholding \nwhat all you guys are getting?",
      "votes": null
    },
    {
      "id": "2240452",
      "postDate": "04/30/2023 14:51:49",
      "content": "<p>Val score for Image-3 is 0.63+ with threshold 0.65, but LB is 0 😂</p>",
      "rawMarkdown": "Val score for Image-3 is 0.63+ with threshold 0.65, but LB is 0 😂",
      "votes": null
    },
    {
      "id": "2241257",
      "postDate": "05/01/2023 10:39:06",
      "content": "<p>which model are you using, numb of epochs and image size </p>",
      "rawMarkdown": "which model are you using, numb of epochs and image size",
      "votes": null
    },
    {
      "id": "2241269",
      "postDate": "05/01/2023 10:51:13",
      "content": "<p>efficientnet-b3, ~50 epochs, 256 image size</p>",
      "rawMarkdown": "efficientnet-b3, ~50 epochs, 256 image size",
      "votes": null
    },
    {
      "id": "2242263",
      "postDate": "05/02/2023 06:41:19",
      "content": "<p>try resnet50, img size 224 and 15 epochs gives good results </p>",
      "rawMarkdown": "try resnet50, img size 224 and 15 epochs gives good results",
      "votes": null
    },
    {
      "id": "2242341",
      "postDate": "05/02/2023 07:46:56",
      "content": "<p>Thank you! Which threshold do you apply in submission: from the best result of trained model or find out separately for lb?</p>",
      "rawMarkdown": "Thank you! Which threshold do you apply in submission: from the best result of trained model or find out separately for lb?",
      "votes": null
    },
    {
      "id": "2242474",
      "postDate": "05/02/2023 10:01:08",
      "content": "<p>well from my exp I got good thresh at 0.4 from the train dataset but on lb the good one is 0.34 </p>",
      "rawMarkdown": "well from my exp I got good thresh at 0.4 from the train dataset but on lb the good one is 0.34",
      "votes": null
    },
    {
      "id": "2242788",
      "postDate": "05/02/2023 14:01:43",
      "content": "<p>Lucario129, your results above are from CV, not LB, right?</p>",
      "rawMarkdown": "Lucario129, your results above are from CV, not LB, right?",
      "votes": null
    },
    {
      "id": "2242915",
      "postDate": "05/02/2023 15:16:25",
      "content": "<p>they are from CV I have made 5-6 models 3 folds each and used ensemble to get my LB score </p>",
      "rawMarkdown": "they are from CV I have made 5-6 models 3 folds each and used ensemble to get my LB score",
      "votes": null
    },
    {
      "id": "2244183",
      "postDate": "05/03/2023 13:50:28",
      "content": "<p>Hello <a href=\"https://www.kaggle.com/lucario129\" target=\"_blank\">@lucario129</a>, which loss do you use for training? If you are using BCE loss, what are the loss values corresponding to these fbeta CV scores?</p>",
      "rawMarkdown": "Hello @lucario129, which loss do you use for training? If you are using BCE loss, what are the loss values corresponding to these fbeta CV scores?",
      "votes": null
    },
    {
      "id": "2253741",
      "postDate": "05/10/2023 12:27:14",
      "content": "<p>validation image id:1, CV:0.58, LB:0.61, I think the most important work is the data side in feature. </p>",
      "rawMarkdown": "validation image id:1, CV:0.58, LB:0.61, I think the most important work is the data side in feature.",
      "votes": null
    },
    {
      "id": "2254548",
      "postDate": "05/11/2023 04:32:39",
      "content": "<p>Thanks for sharing your CV and LB result. I have two questions. Is your CV and LB correlate well? Second, what did you do on the \"data side\" to improve performance?</p>",
      "rawMarkdown": "Thanks for sharing your CV and LB result. I have two questions. Is your CV and LB correlate well? Second, what did you do on the \"data side\" to improve performance?",
      "votes": null
    },
    {
      "id": "2254584",
      "postDate": "05/11/2023 05:18:43",
      "content": "<p>I only trained one model which I submited, my LB Increased is because I added TTA and I found the best threshold, <br>\nso I could not answer your first question. Second, I found a preprocessing method that achieved CV:0.57 with 20 minutes of training, while my previous model required 5 hours of training, in addition, I have trying to remove the noise form the original data although it seems fail…</p>",
      "rawMarkdown": "I only trained one model which I submited, my LB Increased is because I added TTA and I found the best threshold, \nso I could not answer your first question. Second, I found a preprocessing method that achieved CV:0.57 with 20 minutes of training, while my previous model required 5 hours of training, in addition, I have trying to remove the noise form the original data although it seems fail...",
      "votes": null
    },
    {
      "id": "2254620",
      "postDate": "05/11/2023 05:44:57",
      "content": "<p>Thanks for answering. The preprocessing method that achieved CV: 0.57 is on preprocessing the data right? Is it some sort of data augmentation? And after the preprocessing you trained for 20 minutes with Unet and achieved CV: 0.57? </p>",
      "rawMarkdown": "Thanks for answering. The preprocessing method that achieved CV: 0.57 is on preprocessing the data right? Is it some sort of data augmentation? And after the preprocessing you trained for 20 minutes with Unet and achieved CV: 0.57?",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2240452,
      "author_name": "mknzfr",
      "author_url": "",
      "post_date": "04/30/2023 14:51:49",
      "content": "<p>Val score for Image-3 is 0.63+ with threshold 0.65, but LB is 0 😂</p>",
      "votes": null,
      "replies": [
        {
          "id": 2241257,
          "author_name": "lucario129",
          "author_url": "",
          "post_date": "05/01/2023 10:39:06",
          "content": "<p>which model are you using, numb of epochs and image size </p>",
          "votes": null,
          "replies": [
            {
              "id": 2241269,
              "author_name": "mknzfr",
              "author_url": "",
              "post_date": "05/01/2023 10:51:13",
              "content": "<p>efficientnet-b3, ~50 epochs, 256 image size</p>",
              "votes": null,
              "replies": [
                {
                  "id": 2242263,
                  "author_name": "lucario129",
                  "author_url": "",
                  "post_date": "05/02/2023 06:41:19",
                  "content": "<p>try resnet50, img size 224 and 15 epochs gives good results </p>",
                  "votes": null,
                  "replies": [
                    {
                      "id": 2242341,
                      "author_name": "mknzfr",
                      "author_url": "",
                      "post_date": "05/02/2023 07:46:56",
                      "content": "<p>Thank you! Which threshold do you apply in submission: from the best result of trained model or find out separately for lb?</p>",
                      "votes": null,
                      "replies": [
                        {
                          "id": 2242474,
                          "author_name": "lucario129",
                          "author_url": "",
                          "post_date": "05/02/2023 10:01:08",
                          "content": "<p>well from my exp I got good thresh at 0.4 from the train dataset but on lb the good one is 0.34 </p>",
                          "votes": null,
                          "replies": []
                        }
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "id": 2242788,
      "author_name": "mknzfr",
      "author_url": "",
      "post_date": "05/02/2023 14:01:43",
      "content": "<p>Lucario129, your results above are from CV, not LB, right?</p>",
      "votes": null,
      "replies": [
        {
          "id": 2242915,
          "author_name": "lucario129",
          "author_url": "",
          "post_date": "05/02/2023 15:16:25",
          "content": "<p>they are from CV I have made 5-6 models 3 folds each and used ensemble to get my LB score </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 2244183,
      "author_name": "turkenm",
      "author_url": "",
      "post_date": "05/03/2023 13:50:28",
      "content": "<p>Hello <a href=\"https://www.kaggle.com/lucario129\" target=\"_blank\">@lucario129</a>, which loss do you use for training? If you are using BCE loss, what are the loss values corresponding to these fbeta CV scores?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 2253741,
      "author_name": "yoyobar",
      "author_url": "",
      "post_date": "05/10/2023 12:27:14",
      "content": "<p>validation image id:1, CV:0.58, LB:0.61, I think the most important work is the data side in feature. </p>",
      "votes": null,
      "replies": [
        {
          "id": 2254548,
          "author_name": "lionfishy",
          "author_url": "",
          "post_date": "05/11/2023 04:32:39",
          "content": "<p>Thanks for sharing your CV and LB result. I have two questions. Is your CV and LB correlate well? Second, what did you do on the \"data side\" to improve performance?</p>",
          "votes": null,
          "replies": [
            {
              "id": 2254584,
              "author_name": "yoyobar",
              "author_url": "",
              "post_date": "05/11/2023 05:18:43",
              "content": "<p>I only trained one model which I submited, my LB Increased is because I added TTA and I found the best threshold, <br>\nso I could not answer your first question. Second, I found a preprocessing method that achieved CV:0.57 with 20 minutes of training, while my previous model required 5 hours of training, in addition, I have trying to remove the noise form the original data although it seems fail…</p>",
              "votes": null,
              "replies": [
                {
                  "id": 2254620,
                  "author_name": "lionfishy",
                  "author_url": "",
                  "post_date": "05/11/2023 05:44:57",
                  "content": "<p>Thanks for answering. The preprocessing method that achieved CV: 0.57 is on preprocessing the data right? Is it some sort of data augmentation? And after the preprocessing you trained for 20 minutes with Unet and achieved CV: 0.57? </p>",
                  "votes": null,
                  "replies": []
                }
              ]
            }
          ]
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "2240444": "I have made 3 folds for each fold I have taken one image as validation, and two as train \n\n| validation image | CV score  |\n| --- | --- |\n| image 1 | 0.47 |\n| image 2 | 0.35 |\n| image 3 | 0.48 |\n\nthese are my best scores after doing thresholding \nwhat all you guys are getting?",
    "2240452": "Val score for Image-3 is 0.63+ with threshold 0.65, but LB is 0 😂",
    "2241257": "which model are you using, numb of epochs and image size",
    "2241269": "efficientnet-b3, ~50 epochs, 256 image size",
    "2242263": "try resnet50, img size 224 and 15 epochs gives good results",
    "2242341": "Thank you! Which threshold do you apply in submission: from the best result of trained model or find out separately for lb?",
    "2242474": "well from my exp I got good thresh at 0.4 from the train dataset but on lb the good one is 0.34",
    "2242788": "Lucario129, your results above are from CV, not LB, right?",
    "2242915": "they are from CV I have made 5-6 models 3 folds each and used ensemble to get my LB score",
    "2244183": "Hello @lucario129, which loss do you use for training? If you are using BCE loss, what are the loss values corresponding to these fbeta CV scores?",
    "2253741": "validation image id:1, CV:0.58, LB:0.61, I think the most important work is the data side in feature.",
    "2254548": "Thanks for sharing your CV and LB result. I have two questions. Is your CV and LB correlate well? Second, what did you do on the \"data side\" to improve performance?",
    "2254584": "I only trained one model which I submited, my LB Increased is because I added TTA and I found the best threshold, \nso I could not answer your first question. Second, I found a preprocessing method that achieved CV:0.57 with 20 minutes of training, while my previous model required 5 hours of training, in addition, I have trying to remove the noise form the original data although it seems fail...",
    "2254620": "Thanks for answering. The preprocessing method that achieved CV: 0.57 is on preprocessing the data right? Is it some sort of data augmentation? And after the preprocessing you trained for 20 minutes with Unet and achieved CV: 0.57?"
  },
  "source": "meta"
}