{
  "id": 303793,
  "title": "0.628 @ 6000 img_size with yolov5s",
  "url": "/competitions/tensorflow-great-barrier-reef/discussion/303793",
  "author_name": "",
  "post_date": "2022-01-29T12:40:22.819185Z",
  "votes": 13,
  "comment_count": 10,
  "views": 0,
  "content": "<p>Please find the link for the model which gets 0.628 in LB with yolov5s<br>\n<a href=\"https://www.kaggle.com/dhakshiin1601/cots-balaji-models\" target=\"_blank\">https://www.kaggle.com/dhakshiin1601/cots-balaji-models</a></p>\n<p>Use the following notebook<br>\n<a href=\"https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642\" target=\"_blank\">https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642</a></p>\n<p>IMG_SIZE  = 6000<br>\nCONF        = 0.10<br>\nIOU            = 0.20</p>\n<p>I kept CONF and IOU fixed and I tried inference at multiple image size <br>\n0.617   - 9000<br>\n0.628  - 6000<br>\n0.562  - 4200<br>\n0.540  - 3600</p>\n<p>At a size of 6000, there's the possibility for us to use 3 models during the inference.<br>\nI hope the model and the results that I shared are useful</p>",
  "messages": [
    {
      "id": "1668195",
      "postDate": "01/29/2022 12:40:22",
      "content": "<p>Please find the link for the model which gets 0.628 in LB with yolov5s<br>\n<a href=\"https://www.kaggle.com/dhakshiin1601/cots-balaji-models\" target=\"_blank\">https://www.kaggle.com/dhakshiin1601/cots-balaji-models</a></p>\n<p>Use the following notebook<br>\n<a href=\"https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642\" target=\"_blank\">https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642</a></p>\n<p>IMG_SIZE  = 6000<br>\nCONF        = 0.10<br>\nIOU            = 0.20</p>\n<p>I kept CONF and IOU fixed and I tried inference at multiple image size <br>\n0.617   - 9000<br>\n0.628  - 6000<br>\n0.562  - 4200<br>\n0.540  - 3600</p>\n<p>At a size of 6000, there's the possibility for us to use 3 models during the inference.<br>\nI hope the model and the results that I shared are useful</p>",
      "rawMarkdown": "Please find the link for the model which gets 0.628 in LB with yolov5s\nhttps://www.kaggle.com/dhakshiin1601/cots-balaji-models\n\nUse the following notebook\nhttps://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642\n\nIMG_SIZE  = 6000\nCONF        = 0.10\nIOU            = 0.20\n\nI kept CONF and IOU fixed and I tried inference at multiple image size \n0.617   - 9000\n0.628  - 6000\n0.562  - 4200\n0.540  - 3600\n\nAt a size of 6000, there's the possibility for us to use 3 models during the inference.\nI hope the model and the results that I shared are useful",
      "votes": null
    },
    {
      "id": "1668215",
      "postDate": "01/29/2022 12:55:22",
      "content": "<p>no matter what the public lb score is,IMHO IoU 0.20 is super risky for private lb</p>",
      "rawMarkdown": "no matter what the public lb score is,IMHO IoU 0.20 is super risky for private lb",
      "votes": null
    },
    {
      "id": "1668855",
      "postDate": "01/30/2022 05:46:39",
      "content": "<p>Thanks, <a href=\"https://www.kaggle.com/mobassir\" target=\"_blank\">@mobassir</a>  for the suggestion.</p>\n<p>I am getting nearly the same LB(0.628) for an IOU of 0.4. </p>\n<p>First I wanted to play around with the size, now I am changing the CONF and IOU. If I get any better performance, I will let you know 👍</p>",
      "rawMarkdown": "Thanks, @mobassir  for the suggestion.\n\nI am getting nearly the same LB(0.628) for an IOU of 0.4. \n\nFirst I wanted to play around with the size, now I am changing the CONF and IOU. If I get any better performance, I will let you know 👍",
      "votes": null
    },
    {
      "id": "1669936",
      "postDate": "01/31/2022 04:50:55",
      "content": "<p>I don't understand this, could you give a detailed explaination？ Thank you！</p>",
      "rawMarkdown": "I don't understand this, could you give a detailed explaination？ Thank you！",
      "votes": null
    },
    {
      "id": "1669941",
      "postDate": "01/31/2022 04:58:30",
      "content": "<p>Hi, how to choose IOU thres if two results(IOU thres1=0.2,IOU thres2=0.4) are the same, higher or lower? Thanks !</p>",
      "rawMarkdown": "Hi, how to choose IOU thres if two results(IOU thres1=0.2,IOU thres2=0.4) are the same, higher or lower? Thanks !",
      "votes": null
    },
    {
      "id": "1669963",
      "postDate": "01/31/2022 05:20:05",
      "content": "<p><a href=\"https://medium.com/analytics-vidhya/iou-intersection-over-union-705a39e7acef\" target=\"_blank\">https://medium.com/analytics-vidhya/iou-intersection-over-union-705a39e7acef</a></p>",
      "rawMarkdown": "https://medium.com/analytics-vidhya/iou-intersection-over-union-705a39e7acef",
      "votes": null
    },
    {
      "id": "1670060",
      "postDate": "01/31/2022 07:29:26",
      "content": "<p>Okay, Thanks~</p>",
      "rawMarkdown": "Okay, Thanks~",
      "votes": null
    },
    {
      "id": "1671011",
      "postDate": "02/01/2022 04:55:53",
      "content": "<p>I didn't notice much impact when I change IOU for my models. As the competition metric is evaluated from an IOU of 0.3, I think it's good to have IOU as 0.3.</p>",
      "rawMarkdown": "I didn't notice much impact when I change IOU for my models. As the competition metric is evaluated from an IOU of 0.3, I think it's good to have IOU as 0.3.",
      "votes": null
    },
    {
      "id": "1671032",
      "postDate": "02/01/2022 05:23:42",
      "content": "<p>Sounds good, Thanks!</p>",
      "rawMarkdown": "Sounds good, Thanks!",
      "votes": null
    },
    {
      "id": "1671045",
      "postDate": "02/01/2022 05:40:22",
      "content": "<p>I have a question. I trained yolov5s6 with size3600 and then used the following notebook <a href=\"url\" target=\"_blank\"></a><a href=\"https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642\" target=\"_blank\">https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642</a> for inference. conf0.34 iou0.5, in the case where I only change the img-size of inference:<br>\nimg-size 3600 lb0.579<br>\nimg-size 9000 lb0.577<br>\nWhy does my self-trained model infer no change at large scale?</p>",
      "rawMarkdown": "I have a question. I trained yolov5s6 with size3600 and then used the following notebook [https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642 ](url)for inference. conf0.34 iou0.5, in the case where I only change the img-size of inference:\nimg-size 3600 lb0.579\nimg-size 9000 lb0.577\nWhy does my self-trained model infer no change at large scale?",
      "votes": null
    },
    {
      "id": "1676991",
      "postDate": "02/05/2022 12:44:01",
      "content": "<p><code>0.628 - 6000</code><br>\nIn these experiments all the other hyperparameters were the same, i mean you used the default hyperparameters? Only changing image size is giving you 0.628. </p>",
      "rawMarkdown": "`0.628 - 6000`\nIn these experiments all the other hyperparameters were the same, i mean you used the default hyperparameters? Only changing image size is giving you 0.628.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1668215,
      "author_name": "mobassir",
      "author_url": "",
      "post_date": "01/29/2022 12:55:22",
      "content": "<p>no matter what the public lb score is,IMHO IoU 0.20 is super risky for private lb</p>",
      "votes": null,
      "replies": [
        {
          "id": 1669936,
          "author_name": "rainfalllove",
          "author_url": "",
          "post_date": "01/31/2022 04:50:55",
          "content": "<p>I don't understand this, could you give a detailed explaination？ Thank you！</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1669963,
          "author_name": "mobassir",
          "author_url": "",
          "post_date": "01/31/2022 05:20:05",
          "content": "<p><a href=\"https://medium.com/analytics-vidhya/iou-intersection-over-union-705a39e7acef\" target=\"_blank\">https://medium.com/analytics-vidhya/iou-intersection-over-union-705a39e7acef</a></p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1670060,
          "author_name": "rainfalllove",
          "author_url": "",
          "post_date": "01/31/2022 07:29:26",
          "content": "<p>Okay, Thanks~</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1668855,
      "author_name": "dhakshiin1601",
      "author_url": "",
      "post_date": "01/30/2022 05:46:39",
      "content": "<p>Thanks, <a href=\"https://www.kaggle.com/mobassir\" target=\"_blank\">@mobassir</a>  for the suggestion.</p>\n<p>I am getting nearly the same LB(0.628) for an IOU of 0.4. </p>\n<p>First I wanted to play around with the size, now I am changing the CONF and IOU. If I get any better performance, I will let you know 👍</p>",
      "votes": null,
      "replies": [
        {
          "id": 1669941,
          "author_name": "rainfalllove",
          "author_url": "",
          "post_date": "01/31/2022 04:58:30",
          "content": "<p>Hi, how to choose IOU thres if two results(IOU thres1=0.2,IOU thres2=0.4) are the same, higher or lower? Thanks !</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1671011,
          "author_name": "dhakshiin1601",
          "author_url": "",
          "post_date": "02/01/2022 04:55:53",
          "content": "<p>I didn't notice much impact when I change IOU for my models. As the competition metric is evaluated from an IOU of 0.3, I think it's good to have IOU as 0.3.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1671032,
          "author_name": "rainfalllove",
          "author_url": "",
          "post_date": "02/01/2022 05:23:42",
          "content": "<p>Sounds good, Thanks!</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1671045,
      "author_name": "henini",
      "author_url": "",
      "post_date": "02/01/2022 05:40:22",
      "content": "<p>I have a question. I trained yolov5s6 with size3600 and then used the following notebook <a href=\"url\" target=\"_blank\"></a><a href=\"https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642\" target=\"_blank\">https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642</a> for inference. conf0.34 iou0.5, in the case where I only change the img-size of inference:<br>\nimg-size 3600 lb0.579<br>\nimg-size 9000 lb0.577<br>\nWhy does my self-trained model infer no change at large scale?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1676991,
      "author_name": "soumya9977",
      "author_url": "",
      "post_date": "02/05/2022 12:44:01",
      "content": "<p><code>0.628 - 6000</code><br>\nIn these experiments all the other hyperparameters were the same, i mean you used the default hyperparameters? Only changing image size is giving you 0.628. </p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1668195": "Please find the link for the model which gets 0.628 in LB with yolov5s\nhttps://www.kaggle.com/dhakshiin1601/cots-balaji-models\n\nUse the following notebook\nhttps://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642\n\nIMG_SIZE  = 6000\nCONF        = 0.10\nIOU            = 0.20\n\nI kept CONF and IOU fixed and I tried inference at multiple image size \n0.617   - 9000\n0.628  - 6000\n0.562  - 4200\n0.540  - 3600\n\nAt a size of 6000, there's the possibility for us to use 3 models during the inference.\nI hope the model and the results that I shared are useful",
    "1668215": "no matter what the public lb score is,IMHO IoU 0.20 is super risky for private lb",
    "1668855": "Thanks, @mobassir  for the suggestion.\n\nI am getting nearly the same LB(0.628) for an IOU of 0.4. \n\nFirst I wanted to play around with the size, now I am changing the CONF and IOU. If I get any better performance, I will let you know 👍",
    "1669936": "I don't understand this, could you give a detailed explaination？ Thank you！",
    "1669941": "Hi, how to choose IOU thres if two results(IOU thres1=0.2,IOU thres2=0.4) are the same, higher or lower? Thanks !",
    "1669963": "https://medium.com/analytics-vidhya/iou-intersection-over-union-705a39e7acef",
    "1670060": "Okay, Thanks~",
    "1671011": "I didn't notice much impact when I change IOU for my models. As the competition metric is evaluated from an IOU of 0.3, I think it's good to have IOU as 0.3.",
    "1671032": "Sounds good, Thanks!",
    "1671045": "I have a question. I trained yolov5s6 with size3600 and then used the following notebook [https://www.kaggle.com/kocha1/only-yolov5-tracking-lb-642 ](url)for inference. conf0.34 iou0.5, in the case where I only change the img-size of inference:\nimg-size 3600 lb0.579\nimg-size 9000 lb0.577\nWhy does my self-trained model infer no change at large scale?",
    "1676991": "`0.628 - 6000`\nIn these experiments all the other hyperparameters were the same, i mean you used the default hyperparameters? Only changing image size is giving you 0.628."
  },
  "source": "meta"
}