{
  "id": 212411,
  "title": "Any high solo model performance?",
  "url": "/competitions/cassava-leaf-disease-classification/discussion/212411",
  "author_name": "Avik",
  "post_date": "2021-01-18T19:10:19.401000",
  "votes": 14,
  "comment_count": 41,
  "views": 0,
  "content": "<p>Hello to people on the top of the LB,<br>\nAny solo model (with folds/augs/merged data) performing 90.2 or higher, or is it just ensembling taking us forward?</p>",
  "messages": [
    {
      "id": 1162195,
      "postDate": "2021-01-21T03:26:53.477Z",
      "content": "<p>ViT     384x384     LB:0.904+ ;(single model with 5 folds tta)<br>\nEff-b4 512x512      LB:0.902+; (single model with 5 folds tta)<br>\nensemble               LB:0.906+; (ensemble model with 5 folds tta)<br>\ndetails train <a href=\"https://www.kaggle.com/yingpengchen/pytorch-cldc-train-with-vit/edit/run/51816828\" target=\"_blank\">notebook</a>.</p>",
      "rawMarkdown": "ViT     384x384     LB:0.904+ ;(single model with 5 folds tta)\nEff-b4 512x512      LB:0.902+; (single model with 5 folds tta)\nensemble               LB:0.906+; (ensemble model with 5 folds tta)\ndetails train [notebook](https://www.kaggle.com/yingpengchen/pytorch-cldc-train-with-vit/edit/run/51816828).",
      "votes": 19,
      "replies": [
        {
          "id": 1162218,
          "postDate": "2021-01-21T03:40:35.403Z",
          "content": "<p>Thanks for generous sharing! <br>\nI'll give it a try.</p>",
          "rawMarkdown": "Thanks for generous sharing! \nI'll give it a try.",
          "votes": 1
        },
        {
          "id": 1162701,
          "postDate": "2021-01-21T09:30:04.423Z",
          "content": "<p>how many tta do you use? light or heavy tta?</p>",
          "rawMarkdown": "how many tta do you use? light or heavy tta?",
          "votes": 2
        },
        {
          "id": 1163820,
          "postDate": "2021-01-22T00:48:19.287Z",
          "content": "<p>hi,the vit you use is base or large?Thanks!</p>",
          "rawMarkdown": "hi,the vit you use is base or large?Thanks!",
          "votes": 1
        },
        {
          "id": 1163823,
          "postDate": "2021-01-22T00:50:34.757Z",
          "content": "<p><a href=\"https://www.kaggle.com/qixinyan\" target=\"_blank\">@qixinyan</a> 4 x heavy tta</p>",
          "rawMarkdown": "@qixinyan 4 x heavy tta",
          "votes": 2
        },
        {
          "id": 1163824,
          "postDate": "2021-01-22T00:51:29.990Z",
          "content": "<p><a href=\"https://www.kaggle.com/bcwang\" target=\"_blank\">@bcwang</a> vit_base_patch16_384</p>",
          "rawMarkdown": "@bcwang vit_base_patch16_384",
          "votes": 2
        },
        {
          "id": 1164383,
          "postDate": "2021-01-22T10:45:33.243Z",
          "content": "<p>impressive,what's your cv without tta?</p>",
          "rawMarkdown": "impressive,what's your cv without tta?",
          "votes": 1
        },
        {
          "id": 1164562,
          "postDate": "2021-01-22T12:55:23.547Z",
          "content": "<p><a href=\"https://www.kaggle.com/senkin13\" target=\"_blank\">@senkin13</a> 5 folds cv about 89.2 without tta in training.</p>",
          "rawMarkdown": "@senkin13 5 folds cv about 89.2 without tta in training.",
          "votes": 2
        },
        {
          "id": 1164586,
          "postDate": "2021-01-22T13:09:49.060Z",
          "content": "<p>labelsmooth 0.3 is a good choice? </p>",
          "rawMarkdown": "labelsmooth 0.3 is a good choice? "
        },
        {
          "id": 1164597,
          "postDate": "2021-01-22T13:19:29.843Z",
          "content": "<p>labelsmooth 0.3 is  a good choice for my model.</p>",
          "rawMarkdown": "labelsmooth 0.3 is  a good choice for my model."
        },
        {
          "id": 1164607,
          "postDate": "2021-01-22T13:29:27.383Z",
          "content": "<p>thanks, i trained the vit using the notebook you mentioned(just training data of this year), but the lb performance is poor. For VIT,  resize or crop, which is a good way to test? I always got a label 2 for this one test image…hhh it 's wrong obviously. </p>",
          "rawMarkdown": "thanks, i trained the vit using the notebook you mentioned(just training data of this year), but the lb performance is poor. For VIT,  resize or crop, which is a good way to test? I always got a label 2 for this one test image...hhh it 's wrong obviously. ",
          "votes": 1
        },
        {
          "id": 1164667,
          "postDate": "2021-01-22T14:06:22.420Z",
          "content": "<p><a href=\"https://www.kaggle.com/qixinyan\" target=\"_blank\">@qixinyan</a> add 2019 data remove dup data, crop for test and more augs. Good luck!</p>",
          "rawMarkdown": "@qixinyan add 2019 data remove dup data, crop for test and more augs. Good luck!"
        },
        {
          "id": 1167158,
          "postDate": "2021-01-24T05:15:15.507Z",
          "content": "<p><a href=\"https://www.kaggle.com/yingpengchen\" target=\"_blank\">@yingpengchen</a> ,you local cv is 0.892,you can get lb 0.904?I use this vit model and get local cv is 0.894,but I only get lb is 0.898.</p>",
          "rawMarkdown": "@yingpengchen ,you local cv is 0.892,you can get lb 0.904?I use this vit model and get local cv is 0.894,but I only get lb is 0.898."
        },
        {
          "id": 1167160,
          "postDate": "2021-01-24T05:17:12.277Z",
          "content": "<p><a href=\"https://www.kaggle.com/qixinyan\" target=\"_blank\">@qixinyan</a> I also get this problem.I use vit model and get local cv is 0.894,but I only get the lb is 0.898.</p>",
          "rawMarkdown": "@qixinyan I also get this problem.I use vit model and get local cv is 0.894,but I only get the lb is 0.898."
        },
        {
          "id": 1167183,
          "postDate": "2021-01-24T05:49:54.523Z",
          "content": "<p><a href=\"https://www.kaggle.com/bcwang\" target=\"_blank\">@bcwang</a> Yes, your model may overfit and you should try more augs like cutout、fmix、cutmix、mixup based on my train notebook. </p>",
          "rawMarkdown": "@bcwang Yes, your model may overfit and you should try more augs like cutout、fmix、cutmix、mixup based on my train notebook. "
        },
        {
          "id": 1167689,
          "postDate": "2021-01-24T12:27:55.207Z",
          "content": "<p><a href=\"https://www.kaggle.com/yingpengchen\" target=\"_blank\">@yingpengchen</a> Thanks for you reply! I adjust the tta times,and I get the lb score is 0.900.I use the lr is 6e-5,and train 10 epochs with one epoch warmup,and I added the cutmix.</p>",
          "rawMarkdown": "@yingpengchen Thanks for you reply! I adjust the tta times,and I get the lb score is 0.900.I use the lr is 6e-5,and train 10 epochs with one epoch warmup,and I added the cutmix."
        },
        {
          "id": 1173114,
          "postDate": "2021-01-27T17:23:25.143Z",
          "content": "<p>thanks for sharing!</p>",
          "rawMarkdown": "thanks for sharing!"
        },
        {
          "id": 1173208,
          "postDate": "2021-01-27T18:21:59.143Z",
          "content": "<p><a href=\"https://www.kaggle.com/yingpengchen\" target=\"_blank\">@yingpengchen</a> can you please share what augmentations you use for TTA? Augmentations such as randomresizedcrop cause my submission LB score to be inconsistent.</p>",
          "rawMarkdown": "@yingpengchen can you please share what augmentations you use for TTA? Augmentations such as randomresizedcrop cause my submission LB score to be inconsistent."
        }
      ]
    },
    {
      "id": 1158770,
      "postDate": "2021-01-18T19:10:19.400Z",
      "content": "<p>Hello to people on the top of the LB,<br>\nAny solo model (with folds/augs/merged data) performing 90.2 or higher, or is it just ensembling taking us forward?</p>",
      "rawMarkdown": "Hello to people on the top of the LB,\nAny solo model (with folds/augs/merged data) performing 90.2 or higher, or is it just ensembling taking us forward?\n",
      "votes": 14
    },
    {
      "id": 1161028,
      "postDate": "2021-01-20T09:20:20.407Z",
      "content": "<p><a href=\"https://www.kaggle.com/junyingsg\" target=\"_blank\">@junyingsg</a> we are not at the top of LB.<br>\nHowever, we can achieve 0.903 with a single model and 5 folds.</p>",
      "rawMarkdown": "@junyingsg we are not at the top of LB.\nHowever, we can achieve 0.903 with a single model and 5 folds.",
      "votes": 6,
      "replies": [
        {
          "id": 1161067,
          "postDate": "2021-01-20T10:05:33.690Z",
          "rawMarkdown": "",
          "votes": -3,
          "isDeleted": true
        }
      ]
    },
    {
      "id": 1172633,
      "postDate": "2021-01-27T13:27:20.413Z",
      "content": "<p>EfficientNet-B4, 512x512, only 2020 data, standard augs (no mixup, etc.)<br>\nsingle model, 5 folds<br>\nCV: 0.898<br>\nCV (4xTTA): 0.900<br>\nLB: 0.902<br>\nLB (4xTTA): 0.903</p>\n<p>upd: CV=0.901 LB=0.904</p>",
      "rawMarkdown": "EfficientNet-B4, 512x512, only 2020 data, standard augs (no mixup, etc.)\nsingle model, 5 folds\nCV: 0.898\nCV (4xTTA): 0.900\nLB: 0.902\nLB (4xTTA): 0.903\n\nupd: CV=0.901 LB=0.904",
      "votes": 3,
      "replies": [
        {
          "id": 1172878,
          "postDate": "2021-01-27T15:28:37.943Z",
          "content": "<p>Can you tell me what does 2020 data mean, I have seen it in many discussion but do not know what it is, thanks</p>",
          "rawMarkdown": "Can you tell me what does 2020 data mean, I have seen it in many discussion but do not know what it is, thanks"
        },
        {
          "id": 1172893,
          "postDate": "2021-01-27T15:34:29.367Z",
          "content": "<p>It's the data provided by this competition. There was a previous Cassava classification competition in 2019, and some people are using that data.</p>",
          "rawMarkdown": "It's the data provided by this competition. There was a previous Cassava classification competition in 2019, and some people are using that data."
        },
        {
          "id": 1173462,
          "postDate": "2021-01-27T22:57:36.727Z",
          "content": "<p><a href=\"https://www.kaggle.com/sparakhin\" target=\"_blank\">@sparakhin</a> Can you please share what augmentations you use for TTA?</p>",
          "rawMarkdown": "@sparakhin Can you please share what augmentations you use for TTA?"
        },
        {
          "id": 1173573,
          "postDate": "2021-01-28T01:10:09.327Z",
          "content": "<p>Just horizontal/vertical flips</p>",
          "rawMarkdown": "Just horizontal/vertical flips"
        },
        {
          "id": 1173584,
          "postDate": "2021-01-28T01:34:33.260Z",
          "content": "<p>Thank you for your generous answer</p>",
          "rawMarkdown": "Thank you for your generous answer"
        },
        {
          "id": 1173590,
          "postDate": "2021-01-28T01:39:56.680Z",
          "content": "<p>But it depends on the model and training augs. I pick the best TTA combination on cross-validation, and so far it always helps at LB (+0.001).</p>",
          "rawMarkdown": "But it depends on the model and training augs. I pick the best TTA combination on cross-validation, and so far it always helps at LB (+0.001)."
        },
        {
          "id": 1173592,
          "postDate": "2021-01-28T01:46:20.757Z",
          "content": "<p>Thank you for sharing. What do you mean by 4x TTA then if there are only horizontal and vertical flips?</p>",
          "rawMarkdown": "Thank you for sharing. What do you mean by 4x TTA then if there are only horizontal and vertical flips?"
        },
        {
          "id": 1173593,
          "postDate": "2021-01-28T01:46:54.737Z",
          "content": "<p>update: just found an issue in the code, now the best single EffNet-b4 CV/LB is 0.901/0.904 (with TTA)</p>",
          "rawMarkdown": "update: just found an issue in the code, now the best single EffNet-b4 CV/LB is 0.901/0.904 (with TTA)"
        },
        {
          "id": 1173598,
          "postDate": "2021-01-28T02:04:58.447Z",
          "content": "<blockquote>\n  <p>4x TTA then if there are only horizontal and vertical flips</p>\n</blockquote>\n<p>It's a typo, I use 3xTTA for now. So far only flips give me stable improvements on all folds (CV) and LB (but I'm going to experiment with TTA later)</p>",
          "rawMarkdown": "> 4x TTA then if there are only horizontal and vertical flips\n\nIt's a typo, I use 3xTTA for now. So far only flips give me stable improvements on all folds (CV) and LB (but I'm going to experiment with TTA later)",
          "votes": 1
        },
        {
          "id": 1173606,
          "postDate": "2021-01-28T02:10:29.223Z",
          "content": "<p>Ok thanks! Your score is amazing for a relatively simpler model compared to other solutions. I wish mine would go up. I am stuck at 90.2 :(</p>",
          "rawMarkdown": "Ok thanks! Your score is amazing for a relatively simpler model compared to other solutions. I wish mine would go up. I am stuck at 90.2 :("
        }
      ]
    },
    {
      "id": 1160569,
      "postDate": "2021-01-20T02:41:43.153Z",
      "content": "<p>CV LB 0.904+ is possible. <a href=\"https://www.kaggle.com/serigne\" target=\"_blank\">@serigne</a> posted about one in another <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/203111#1111578\" target=\"_blank\">thread</a>.</p>",
      "rawMarkdown": "CV LB 0.904+ is possible. @serigne posted about one in another [thread][1].\n\n[1]: https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/203111#1111578",
      "votes": 4,
      "replies": [
        {
          "id": 1161396,
          "postDate": "2021-01-20T14:47:13.790Z",
          "content": "<p><a href=\"https://www.kaggle.com/cdeotte\" target=\"_blank\">@cdeotte</a> <br>\nI guess those at the top (including you) have probably higher ;)</p>",
          "rawMarkdown": "@cdeotte \nI guess those at the top (including you) have probably higher ;)",
          "votes": 2
        },
        {
          "id": 1162085,
          "postDate": "2021-01-21T01:15:47.970Z",
          "content": "<p><a href=\"https://www.kaggle.com/serigne\" target=\"_blank\">@serigne</a> <a href=\"https://www.kaggle.com/cdeotte\" target=\"_blank\">@cdeotte</a> <br>\nYES or NO question, is this a GPU related matter? (T_T)</p>",
          "rawMarkdown": "@serigne @cdeotte \nYES or NO question, is this a GPU related matter? (T_T)",
          "votes": 1
        },
        {
          "id": 1162475,
          "postDate": "2021-01-21T07:06:39.043Z",
          "content": "<p>If I say yes, you will rent a DGX A100 and win the competition ? ^^</p>\n<p>More seriously, I don't think it's  just GPU related matter. And others ongoing competitions are more GPU hungry (RANZCR, Hubmap)</p>",
          "rawMarkdown": "If I say yes, you will rent a DGX A100 and win the competition ? ^^\n\nMore seriously, I don't think it's  just GPU related matter. And others ongoing competitions are more GPU hungry (RANZCR, Hubmap)",
          "votes": 3
        },
        {
          "id": 1163281,
          "postDate": "2021-01-21T16:04:55.050Z",
          "content": "<p>A little bit hint gathering is vital for survival :)</p>",
          "rawMarkdown": "A little bit hint gathering is vital for survival :)",
          "votes": 1
        }
      ]
    },
    {
      "id": 1160496,
      "postDate": "2021-01-20T01:12:39.233Z",
      "content": "<p>I believe the top of LB are getting at least 0.903 with a single model, 5 folds. </p>",
      "rawMarkdown": "I believe the top of LB are getting at least 0.903 with a single model, 5 folds. ",
      "votes": 2
    },
    {
      "id": 1174684,
      "postDate": "2021-01-28T16:40:50.933Z",
      "content": "<p>my single efficient net 5, 512X512 SIZE -&gt; CV 0.8997 LB 0.901</p>",
      "rawMarkdown": "my single efficient net 5, 512X512 SIZE -> CV 0.8997 LB 0.901",
      "replies": [
        {
          "id": 1174691,
          "postDate": "2021-01-28T16:44:58.063Z",
          "content": "<p>Are you using TTA?</p>",
          "rawMarkdown": "Are you using TTA?"
        },
        {
          "id": 1175573,
          "postDate": "2021-01-29T08:26:17.137Z",
          "content": "<p>when inferencing, I use 3x TTA</p>",
          "rawMarkdown": "when inferencing, I use 3x TTA"
        }
      ]
    },
    {
      "id": 1176111,
      "postDate": "2021-01-29T14:07:49.183Z",
      "content": "<p>Thank you everyone for helping :D </p>",
      "rawMarkdown": "Thank you everyone for helping :D "
    }
  ],
  "comments": [
    {
      "id": 1162195,
      "author_name": "Roc",
      "author_url": "",
      "post_date": "2021-01-21T03:26:53.477000",
      "content": "<p>ViT     384x384     LB:0.904+ ;(single model with 5 folds tta)<br>\nEff-b4 512x512      LB:0.902+; (single model with 5 folds tta)<br>\nensemble               LB:0.906+; (ensemble model with 5 folds tta)<br>\ndetails train <a href=\"https://www.kaggle.com/yingpengchen/pytorch-cldc-train-with-vit/edit/run/51816828\" target=\"_blank\">notebook</a>.</p>",
      "votes": 19,
      "replies": [
        {
          "id": 1162218,
          "author_name": "Tian",
          "author_url": "",
          "post_date": "2021-01-21T03:40:35.403000",
          "content": "<p>Thanks for generous sharing! <br>\nI'll give it a try.</p>",
          "votes": 1,
          "replies": []
        },
        {
          "id": 1162701,
          "author_name": "Qixin Yan",
          "author_url": "",
          "post_date": "2021-01-21T09:30:04.423000",
          "content": "<p>how many tta do you use? light or heavy tta?</p>",
          "votes": 2,
          "replies": []
        },
        {
          "id": 1163820,
          "author_name": "Bcw93",
          "author_url": "",
          "post_date": "2021-01-22T00:48:19.287000",
          "content": "<p>hi,the vit you use is base or large?Thanks!</p>",
          "votes": 1,
          "replies": []
        },
        {
          "id": 1163823,
          "author_name": "Roc",
          "author_url": "",
          "post_date": "2021-01-22T00:50:34.757000",
          "content": "<p><a href=\"https://www.kaggle.com/qixinyan\" target=\"_blank\">@qixinyan</a> 4 x heavy tta</p>",
          "votes": 2,
          "replies": []
        },
        {
          "id": 1163824,
          "author_name": "Roc",
          "author_url": "",
          "post_date": "2021-01-22T00:51:29.990000",
          "content": "<p><a href=\"https://www.kaggle.com/bcwang\" target=\"_blank\">@bcwang</a> vit_base_patch16_384</p>",
          "votes": 2,
          "replies": []
        },
        {
          "id": 1164383,
          "author_name": "senkin13",
          "author_url": "",
          "post_date": "2021-01-22T10:45:33.243000",
          "content": "<p>impressive,what's your cv without tta?</p>",
          "votes": 1,
          "replies": []
        },
        {
          "id": 1164562,
          "author_name": "Roc",
          "author_url": "",
          "post_date": "2021-01-22T12:55:23.547000",
          "content": "<p><a href=\"https://www.kaggle.com/senkin13\" target=\"_blank\">@senkin13</a> 5 folds cv about 89.2 without tta in training.</p>",
          "votes": 2,
          "replies": []
        },
        {
          "id": 1164586,
          "author_name": "Qixin Yan",
          "author_url": "",
          "post_date": "2021-01-22T13:09:49.060000",
          "content": "<p>labelsmooth 0.3 is a good choice? </p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1164597,
          "author_name": "Roc",
          "author_url": "",
          "post_date": "2021-01-22T13:19:29.843000",
          "content": "<p>labelsmooth 0.3 is  a good choice for my model.</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1164607,
          "author_name": "Qixin Yan",
          "author_url": "",
          "post_date": "2021-01-22T13:29:27.383000",
          "content": "<p>thanks, i trained the vit using the notebook you mentioned(just training data of this year), but the lb performance is poor. For VIT,  resize or crop, which is a good way to test? I always got a label 2 for this one test image…hhh it 's wrong obviously. </p>",
          "votes": 1,
          "replies": []
        },
        {
          "id": 1164667,
          "author_name": "Roc",
          "author_url": "",
          "post_date": "2021-01-22T14:06:22.420000",
          "content": "<p><a href=\"https://www.kaggle.com/qixinyan\" target=\"_blank\">@qixinyan</a> add 2019 data remove dup data, crop for test and more augs. Good luck!</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1167158,
          "author_name": "Bcw93",
          "author_url": "",
          "post_date": "2021-01-24T05:15:15.507000",
          "content": "<p><a href=\"https://www.kaggle.com/yingpengchen\" target=\"_blank\">@yingpengchen</a> ,you local cv is 0.892,you can get lb 0.904?I use this vit model and get local cv is 0.894,but I only get lb is 0.898.</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1167160,
          "author_name": "Bcw93",
          "author_url": "",
          "post_date": "2021-01-24T05:17:12.277000",
          "content": "<p><a href=\"https://www.kaggle.com/qixinyan\" target=\"_blank\">@qixinyan</a> I also get this problem.I use vit model and get local cv is 0.894,but I only get the lb is 0.898.</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1167183,
          "author_name": "Roc",
          "author_url": "",
          "post_date": "2021-01-24T05:49:54.523000",
          "content": "<p><a href=\"https://www.kaggle.com/bcwang\" target=\"_blank\">@bcwang</a> Yes, your model may overfit and you should try more augs like cutout、fmix、cutmix、mixup based on my train notebook. </p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1167689,
          "author_name": "Bcw93",
          "author_url": "",
          "post_date": "2021-01-24T12:27:55.207000",
          "content": "<p><a href=\"https://www.kaggle.com/yingpengchen\" target=\"_blank\">@yingpengchen</a> Thanks for you reply! I adjust the tta times,and I get the lb score is 0.900.I use the lr is 6e-5,and train 10 epochs with one epoch warmup,and I added the cutmix.</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173114,
          "author_name": "DarknessZX",
          "author_url": "",
          "post_date": "2021-01-27T17:23:25.143000",
          "content": "<p>thanks for sharing!</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173208,
          "author_name": "ayu055",
          "author_url": "",
          "post_date": "2021-01-27T18:21:59.143000",
          "content": "<p><a href=\"https://www.kaggle.com/yingpengchen\" target=\"_blank\">@yingpengchen</a> can you please share what augmentations you use for TTA? Augmentations such as randomresizedcrop cause my submission LB score to be inconsistent.</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 1161028,
      "author_name": "Hai Nam Nguyen",
      "author_url": "",
      "post_date": "2021-01-20T09:20:20.407000",
      "content": "<p><a href=\"https://www.kaggle.com/junyingsg\" target=\"_blank\">@junyingsg</a> we are not at the top of LB.<br>\nHowever, we can achieve 0.903 with a single model and 5 folds.</p>",
      "votes": 6,
      "replies": [
        {
          "id": 1161067,
          "author_name": "",
          "author_url": "",
          "post_date": "2021-01-20T10:05:33.690000",
          "content": "",
          "votes": -3,
          "replies": []
        }
      ]
    },
    {
      "id": 1172633,
      "author_name": "Serhii Parakhin",
      "author_url": "",
      "post_date": "2021-01-27T13:27:20.413000",
      "content": "<p>EfficientNet-B4, 512x512, only 2020 data, standard augs (no mixup, etc.)<br>\nsingle model, 5 folds<br>\nCV: 0.898<br>\nCV (4xTTA): 0.900<br>\nLB: 0.902<br>\nLB (4xTTA): 0.903</p>\n<p>upd: CV=0.901 LB=0.904</p>",
      "votes": 3,
      "replies": [
        {
          "id": 1172878,
          "author_name": "老肥",
          "author_url": "",
          "post_date": "2021-01-27T15:28:37.943000",
          "content": "<p>Can you tell me what does 2020 data mean, I have seen it in many discussion but do not know what it is, thanks</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1172893,
          "author_name": "Junyi Ng",
          "author_url": "",
          "post_date": "2021-01-27T15:34:29.367000",
          "content": "<p>It's the data provided by this competition. There was a previous Cassava classification competition in 2019, and some people are using that data.</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173462,
          "author_name": "ayu055",
          "author_url": "",
          "post_date": "2021-01-27T22:57:36.727000",
          "content": "<p><a href=\"https://www.kaggle.com/sparakhin\" target=\"_blank\">@sparakhin</a> Can you please share what augmentations you use for TTA?</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173573,
          "author_name": "Serhii Parakhin",
          "author_url": "",
          "post_date": "2021-01-28T01:10:09.327000",
          "content": "<p>Just horizontal/vertical flips</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173584,
          "author_name": "老肥",
          "author_url": "",
          "post_date": "2021-01-28T01:34:33.260000",
          "content": "<p>Thank you for your generous answer</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173590,
          "author_name": "Serhii Parakhin",
          "author_url": "",
          "post_date": "2021-01-28T01:39:56.680000",
          "content": "<p>But it depends on the model and training augs. I pick the best TTA combination on cross-validation, and so far it always helps at LB (+0.001).</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173592,
          "author_name": "ayu055",
          "author_url": "",
          "post_date": "2021-01-28T01:46:20.757000",
          "content": "<p>Thank you for sharing. What do you mean by 4x TTA then if there are only horizontal and vertical flips?</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173593,
          "author_name": "Serhii Parakhin",
          "author_url": "",
          "post_date": "2021-01-28T01:46:54.737000",
          "content": "<p>update: just found an issue in the code, now the best single EffNet-b4 CV/LB is 0.901/0.904 (with TTA)</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1173598,
          "author_name": "Serhii Parakhin",
          "author_url": "",
          "post_date": "2021-01-28T02:04:58.447000",
          "content": "<blockquote>\n  <p>4x TTA then if there are only horizontal and vertical flips</p>\n</blockquote>\n<p>It's a typo, I use 3xTTA for now. So far only flips give me stable improvements on all folds (CV) and LB (but I'm going to experiment with TTA later)</p>",
          "votes": 1,
          "replies": []
        },
        {
          "id": 1173606,
          "author_name": "ayu055",
          "author_url": "",
          "post_date": "2021-01-28T02:10:29.223000",
          "content": "<p>Ok thanks! Your score is amazing for a relatively simpler model compared to other solutions. I wish mine would go up. I am stuck at 90.2 :(</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 1160569,
      "author_name": "Chris Deotte",
      "author_url": "",
      "post_date": "2021-01-20T02:41:43.153000",
      "content": "<p>CV LB 0.904+ is possible. <a href=\"https://www.kaggle.com/serigne\" target=\"_blank\">@serigne</a> posted about one in another <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/203111#1111578\" target=\"_blank\">thread</a>.</p>",
      "votes": 4,
      "replies": [
        {
          "id": 1161396,
          "author_name": "Serigne ",
          "author_url": "",
          "post_date": "2021-01-20T14:47:13.790000",
          "content": "<p><a href=\"https://www.kaggle.com/cdeotte\" target=\"_blank\">@cdeotte</a> <br>\nI guess those at the top (including you) have probably higher ;)</p>",
          "votes": 2,
          "replies": []
        },
        {
          "id": 1162085,
          "author_name": "Avik",
          "author_url": "",
          "post_date": "2021-01-21T01:15:47.970000",
          "content": "<p><a href=\"https://www.kaggle.com/serigne\" target=\"_blank\">@serigne</a> <a href=\"https://www.kaggle.com/cdeotte\" target=\"_blank\">@cdeotte</a> <br>\nYES or NO question, is this a GPU related matter? (T_T)</p>",
          "votes": 1,
          "replies": []
        },
        {
          "id": 1162475,
          "author_name": "Serigne ",
          "author_url": "",
          "post_date": "2021-01-21T07:06:39.043000",
          "content": "<p>If I say yes, you will rent a DGX A100 and win the competition ? ^^</p>\n<p>More seriously, I don't think it's  just GPU related matter. And others ongoing competitions are more GPU hungry (RANZCR, Hubmap)</p>",
          "votes": 3,
          "replies": []
        },
        {
          "id": 1163281,
          "author_name": "Avik",
          "author_url": "",
          "post_date": "2021-01-21T16:04:55.050000",
          "content": "<p>A little bit hint gathering is vital for survival :)</p>",
          "votes": 1,
          "replies": []
        }
      ]
    },
    {
      "id": 1160496,
      "author_name": "Junyi Ng",
      "author_url": "",
      "post_date": "2021-01-20T01:12:39.233000",
      "content": "<p>I believe the top of LB are getting at least 0.903 with a single model, 5 folds. </p>",
      "votes": 2,
      "replies": []
    },
    {
      "id": 1174684,
      "author_name": "kaggler",
      "author_url": "",
      "post_date": "2021-01-28T16:40:50.933000",
      "content": "<p>my single efficient net 5, 512X512 SIZE -&gt; CV 0.8997 LB 0.901</p>",
      "votes": 0,
      "replies": [
        {
          "id": 1174691,
          "author_name": "ayu055",
          "author_url": "",
          "post_date": "2021-01-28T16:44:58.063000",
          "content": "<p>Are you using TTA?</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 1175573,
          "author_name": "kaggler",
          "author_url": "",
          "post_date": "2021-01-29T08:26:17.137000",
          "content": "<p>when inferencing, I use 3x TTA</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 1176111,
      "author_name": "Avik",
      "author_url": "",
      "post_date": "2021-01-29T14:07:49.183000",
      "content": "<p>Thank you everyone for helping :D </p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1162195": "ViT     384x384     LB:0.904+ ;(single model with 5 folds tta)\nEff-b4 512x512      LB:0.902+; (single model with 5 folds tta)\nensemble               LB:0.906+; (ensemble model with 5 folds tta)\ndetails train [notebook](https://www.kaggle.com/yingpengchen/pytorch-cldc-train-with-vit/edit/run/51816828).",
    "1158770": "Hello to people on the top of the LB,\nAny solo model (with folds/augs/merged data) performing 90.2 or higher, or is it just ensembling taking us forward?\n",
    "1161028": "@junyingsg we are not at the top of LB.\nHowever, we can achieve 0.903 with a single model and 5 folds.",
    "1172633": "EfficientNet-B4, 512x512, only 2020 data, standard augs (no mixup, etc.)\nsingle model, 5 folds\nCV: 0.898\nCV (4xTTA): 0.900\nLB: 0.902\nLB (4xTTA): 0.903\n\nupd: CV=0.901 LB=0.904",
    "1160569": "CV LB 0.904+ is possible. @serigne posted about one in another [thread][1].\n\n[1]: https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/203111#1111578",
    "1160496": "I believe the top of LB are getting at least 0.903 with a single model, 5 folds. ",
    "1174684": "my single efficient net 5, 512X512 SIZE -> CV 0.8997 LB 0.901",
    "1176111": "Thank you everyone for helping :D "
  }
}