{
  "id": 128973,
  "title": "Is it useful to flip horizontally ?",
  "url": "/competitions/bengaliai-cv19/discussion/128973",
  "author_name": "",
  "post_date": "2020-02-04T16:13:29.288921600Z",
  "votes": 2,
  "comment_count": 3,
  "views": 0,
  "content": "<p>I noticed that most people's sharing doesn't seem to use horizontal flipping.Is it useless flipping horizontally in this competition?</p>",
  "messages": [
    {
      "id": "736841",
      "postDate": "02/04/2020 16:13:29",
      "content": "<p>I noticed that most people's sharing doesn't seem to use horizontal flipping.Is it useless flipping horizontally in this competition?</p>",
      "rawMarkdown": "I noticed that most people's sharing doesn't seem to use horizontal flipping.Is it useless flipping horizontally in this competition?",
      "votes": null
    },
    {
      "id": "736848",
      "postDate": "02/04/2020 16:25:27",
      "content": "<p>It could be useful just in the case that the symbols are horizontal symmetrical, otherwise you will force the model to learn this useless symmetrical image for nothing</p>",
      "rawMarkdown": "It could be useful just in the case that the symbols are horizontal symmetrical, otherwise you will force the model to learn this useless symmetrical image for nothing",
      "votes": null
    },
    {
      "id": "737220",
      "postDate": "02/05/2020 04:10:24",
      "content": "<p>Early i have used the flip both in the training and testing, but it only give me about 0.0002 increase with several times of  testing time.</p>",
      "rawMarkdown": "Early i have used the flip both in the training and testing, but it only give me about 0.0002 increase with several times of  testing time.",
      "votes": null
    },
    {
      "id": "738449",
      "postDate": "02/06/2020 14:33:54",
      "content": "<p>In <a href=\"https://www.kaggle.com/c/humpback-whale-identification/discussion/82484\">Humpback Whale Identification</a> top teams used horizontal flipping. I think it is worth to try horizontal flipping in this competition too, even if it seems a little bit unnatural technique.</p>",
      "rawMarkdown": "In [Humpback Whale Identification](https://www.kaggle.com/c/humpback-whale-identification/discussion/82484) top teams used horizontal flipping. I think it is worth to try horizontal flipping in this competition too, even if it seems a little bit unnatural technique.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 736848,
      "author_name": "vladvdv",
      "author_url": "",
      "post_date": "02/04/2020 16:25:27",
      "content": "<p>It could be useful just in the case that the symbols are horizontal symmetrical, otherwise you will force the model to learn this useless symmetrical image for nothing</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 737220,
      "author_name": "liang23333",
      "author_url": "",
      "post_date": "02/05/2020 04:10:24",
      "content": "<p>Early i have used the flip both in the training and testing, but it only give me about 0.0002 increase with several times of  testing time.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 738449,
      "author_name": "toshik",
      "author_url": "",
      "post_date": "02/06/2020 14:33:54",
      "content": "<p>In <a href=\"https://www.kaggle.com/c/humpback-whale-identification/discussion/82484\">Humpback Whale Identification</a> top teams used horizontal flipping. I think it is worth to try horizontal flipping in this competition too, even if it seems a little bit unnatural technique.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "736841": "I noticed that most people's sharing doesn't seem to use horizontal flipping.Is it useless flipping horizontally in this competition?",
    "736848": "It could be useful just in the case that the symbols are horizontal symmetrical, otherwise you will force the model to learn this useless symmetrical image for nothing",
    "737220": "Early i have used the flip both in the training and testing, but it only give me about 0.0002 increase with several times of  testing time.",
    "738449": "In [Humpback Whale Identification](https://www.kaggle.com/c/humpback-whale-identification/discussion/82484) top teams used horizontal flipping. I think it is worth to try horizontal flipping in this competition too, even if it seems a little bit unnatural technique."
  },
  "source": "meta"
}