{
  "id": 242628,
  "title": "About image resizing",
  "url": "/competitions/siim-covid19-detection/discussion/242628",
  "author_name": "",
  "post_date": "2021-05-29T23:34:35.641304300Z",
  "votes": 2,
  "comment_count": 4,
  "views": 0,
  "content": "<p>When I look at some images of this competition, I found that images are around 1000 *1000 or larger.  So I should resize them when training or reference, but I don't know the best size.  What size is best for training? Or how do you decide the size?</p>",
  "messages": [
    {
      "id": "1328108",
      "postDate": "05/29/2021 23:34:35",
      "content": "<p>When I look at some images of this competition, I found that images are around 1000 *1000 or larger.  So I should resize them when training or reference, but I don't know the best size.  What size is best for training? Or how do you decide the size?</p>",
      "rawMarkdown": "When I look at some images of this competition, I found that images are around 1000 *1000 or larger.  So I should resize them when training or reference, but I don't know the best size.  What size is best for training? Or how do you decide the size?",
      "votes": null
    },
    {
      "id": "1328199",
      "postDate": "05/30/2021 03:20:46",
      "content": "<p>so do i. i use SSD model. so i resized 300*300. </p>",
      "rawMarkdown": "so do i. i use SSD model. so i resized 300*300.",
      "votes": null
    },
    {
      "id": "1328203",
      "postDate": "05/30/2021 03:32:18",
      "content": "<p>In the Kaggle competition you can explore different directions and the person who finds the holy grail - wins. Size of the images is one of the area to explore. Try different ones. I am starting from 128x128.</p>",
      "rawMarkdown": "In the Kaggle competition you can explore different directions and the person who finds the holy grail - wins. Size of the images is one of the area to explore. Try different ones. I am starting from 128x128.",
      "votes": null
    },
    {
      "id": "1329344",
      "postDate": "05/31/2021 04:47:56",
      "content": "<p><a href=\"https://www.kaggle.com/yoshid\" target=\"_blank\">@yoshid</a> Many of the famous pretrained models are trained on images of sizes smaller than 300*300. If you resize when flowing from directory (specifying the target size), the bigger the size, the slower the processing.</p>",
      "rawMarkdown": "yoshid Many of the famous pretrained models are trained on images of sizes smaller than 300*300. If you resize when flowing from directory (specifying the target size), the bigger the size, the slower the processing.",
      "votes": null
    },
    {
      "id": "1347096",
      "postDate": "06/13/2021 00:07:43",
      "content": "<p>oww. i understand. im also try to do that.</p>",
      "rawMarkdown": "oww. i understand. im also try to do that.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1328199,
      "author_name": "tensorchoko",
      "author_url": "",
      "post_date": "05/30/2021 03:20:46",
      "content": "<p>so do i. i use SSD model. so i resized 300*300. </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1328203,
      "author_name": "jacekpoplawski",
      "author_url": "",
      "post_date": "05/30/2021 03:32:18",
      "content": "<p>In the Kaggle competition you can explore different directions and the person who finds the holy grail - wins. Size of the images is one of the area to explore. Try different ones. I am starting from 128x128.</p>",
      "votes": null,
      "replies": [
        {
          "id": 1347096,
          "author_name": "tensorchoko",
          "author_url": "",
          "post_date": "06/13/2021 00:07:43",
          "content": "<p>oww. i understand. im also try to do that.</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1329344,
      "author_name": "sinamhd9",
      "author_url": "",
      "post_date": "05/31/2021 04:47:56",
      "content": "<p><a href=\"https://www.kaggle.com/yoshid\" target=\"_blank\">@yoshid</a> Many of the famous pretrained models are trained on images of sizes smaller than 300*300. If you resize when flowing from directory (specifying the target size), the bigger the size, the slower the processing.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1328108": "When I look at some images of this competition, I found that images are around 1000 *1000 or larger.  So I should resize them when training or reference, but I don't know the best size.  What size is best for training? Or how do you decide the size?",
    "1328199": "so do i. i use SSD model. so i resized 300*300.",
    "1328203": "In the Kaggle competition you can explore different directions and the person who finds the holy grail - wins. Size of the images is one of the area to explore. Try different ones. I am starting from 128x128.",
    "1329344": "yoshid Many of the famous pretrained models are trained on images of sizes smaller than 300*300. If you resize when flowing from directory (specifying the target size), the bigger the size, the slower the processing.",
    "1347096": "oww. i understand. im also try to do that."
  },
  "source": "meta"
}