{
  "id": 121667,
  "title": "Some infos about Test that may be useful",
  "url": "/competitions/pku-autonomous-driving/discussion/121667",
  "author_name": "",
  "post_date": "2019-12-14T16:56:29.737547300Z",
  "votes": 24,
  "comment_count": 8,
  "views": 0,
  "content": "<p><strong>Overview:</strong>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F0a7cdcb22e1b586730984c7cead2dd4c%2Fe8d19d9f029904e2561b3b2a220a301.png?generation=1576342183730083&amp;alt=media\" alt=\"\">\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd34adfe483aa0258a3c5f6f4d7e3c97f%2Fd98153e74ea343832ba652295782abf.png?generation=1576342183674857&amp;alt=media\" alt=\"\"></p>\n\n<p><strong>And you can find that some of the images are manually flipped horizontally.\nBecause in China, the opposite lanes are always on your left, obviously...</strong>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd251e07d87036e3d9c2ddf5706ef2419%2FID_2fee670a1.jpg?generation=1576342348946754&amp;alt=media\" alt=\"\"></p>\n\n<p><strong>At last,there's an interesting picture......😐 Is this picture taken by mobile phone....</strong>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F10aedd56c80b21cb3511996441f15166%2FID_0a2c7cb83.jpg?generation=1576342541620503&amp;alt=media\" alt=\"\"></p>",
  "messages": [
    {
      "id": "695149",
      "postDate": "12/14/2019 16:56:29",
      "content": "<p><strong>Overview:</strong>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F0a7cdcb22e1b586730984c7cead2dd4c%2Fe8d19d9f029904e2561b3b2a220a301.png?generation=1576342183730083&amp;alt=media\" alt=\"\">\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd34adfe483aa0258a3c5f6f4d7e3c97f%2Fd98153e74ea343832ba652295782abf.png?generation=1576342183674857&amp;alt=media\" alt=\"\"></p>\n\n<p><strong>And you can find that some of the images are manually flipped horizontally.\nBecause in China, the opposite lanes are always on your left, obviously...</strong>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd251e07d87036e3d9c2ddf5706ef2419%2FID_2fee670a1.jpg?generation=1576342348946754&amp;alt=media\" alt=\"\"></p>\n\n<p><strong>At last,there's an interesting picture......😐 Is this picture taken by mobile phone....</strong>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F10aedd56c80b21cb3511996441f15166%2FID_0a2c7cb83.jpg?generation=1576342541620503&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "**Overview:**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F0a7cdcb22e1b586730984c7cead2dd4c%2Fe8d19d9f029904e2561b3b2a220a301.png?generation=1576342183730083&amp;alt=media)\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd34adfe483aa0258a3c5f6f4d7e3c97f%2Fd98153e74ea343832ba652295782abf.png?generation=1576342183674857&amp;alt=media)\n\n**And you can find that some of the images are manually flipped horizontally.\nBecause in China, the opposite lanes are always on your left, obviously...**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd251e07d87036e3d9c2ddf5706ef2419%2FID_2fee670a1.jpg?generation=1576342348946754&amp;alt=media)\n\n**At last,there's an interesting picture......😐 Is this picture taken by mobile phone....**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F10aedd56c80b21cb3511996441f15166%2FID_0a2c7cb83.jpg?generation=1576342541620503&amp;alt=media)",
      "votes": null
    },
    {
      "id": "695151",
      "postDate": "12/14/2019 17:02:10",
      "content": "<p>The distribution of training sets and test sets is very different (it seems that these differences were made intentionally)\nSome augmentations maybe important for model generalization</p>",
      "rawMarkdown": "The distribution of training sets and test sets is very different (it seems that these differences were made intentionally)\nSome augmentations maybe important for model generalization",
      "votes": null
    },
    {
      "id": "695400",
      "postDate": "12/15/2019 04:26:05",
      "content": "<p>some images have intentional gaussian noise too..\ni guess the host wants to see how we handle the image augumentations. (photography noise etc..)</p>",
      "rawMarkdown": "some images have intentional gaussian noise too..\ni guess the host wants to see how we handle the image augumentations. (photography noise etc..)",
      "votes": null
    },
    {
      "id": "695483",
      "postDate": "12/15/2019 08:11:17",
      "content": "<p>intersting</p>",
      "rawMarkdown": "intersting",
      "votes": null
    },
    {
      "id": "695758",
      "postDate": "12/15/2019 14:22:25",
      "content": "<p>good find👍 </p>",
      "rawMarkdown": "good find👍",
      "votes": null
    },
    {
      "id": "696064",
      "postDate": "12/16/2019 04:36:04",
      "content": "<p>Noticed that too... I added some augmentations brightness, blur, flip... local cv higher but lb unchanged... Do you have any success with augmentations?</p>",
      "rawMarkdown": "Noticed that too... I added some augmentations brightness, blur, flip... local cv higher but lb unchanged... Do you have any success with augmentations?",
      "votes": null
    },
    {
      "id": "700042",
      "postDate": "12/21/2019 10:46:45",
      "content": "<p>Interesting ..</p>",
      "rawMarkdown": "Interesting ..",
      "votes": null
    },
    {
      "id": "700642",
      "postDate": "12/22/2019 10:57:56",
      "content": "<p>Also add guassian , multitrandomfloat, random brightness, motion blur augment, but not change lb</p>",
      "rawMarkdown": "Also add guassian , multitrandomfloat, random brightness, motion blur augment, but not change lb",
      "votes": null
    },
    {
      "id": "700644",
      "postDate": "12/22/2019 10:58:39",
      "content": "<p>Have you tried filter the heat map confidence with threshold? </p>",
      "rawMarkdown": "Have you tried filter the heat map confidence with threshold?",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 695151,
      "author_name": "changewow",
      "author_url": "",
      "post_date": "12/14/2019 17:02:10",
      "content": "<p>The distribution of training sets and test sets is very different (it seems that these differences were made intentionally)\nSome augmentations maybe important for model generalization</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 695400,
      "author_name": "kyoshioka47",
      "author_url": "",
      "post_date": "12/15/2019 04:26:05",
      "content": "<p>some images have intentional gaussian noise too..\ni guess the host wants to see how we handle the image augumentations. (photography noise etc..)</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 695483,
      "author_name": "haoqiu111",
      "author_url": "",
      "post_date": "12/15/2019 08:11:17",
      "content": "<p>intersting</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 695758,
      "author_name": "diegojohnson",
      "author_url": "",
      "post_date": "12/15/2019 14:22:25",
      "content": "<p>good find👍 </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 696064,
      "author_name": "niuddd",
      "author_url": "",
      "post_date": "12/16/2019 04:36:04",
      "content": "<p>Noticed that too... I added some augmentations brightness, blur, flip... local cv higher but lb unchanged... Do you have any success with augmentations?</p>",
      "votes": null,
      "replies": [
        {
          "id": 700644,
          "author_name": "cswwp347724",
          "author_url": "",
          "post_date": "12/22/2019 10:58:39",
          "content": "<p>Have you tried filter the heat map confidence with threshold? </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 700042,
      "author_name": "swathym",
      "author_url": "",
      "post_date": "12/21/2019 10:46:45",
      "content": "<p>Interesting ..</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 700642,
      "author_name": "cswwp347724",
      "author_url": "",
      "post_date": "12/22/2019 10:57:56",
      "content": "<p>Also add guassian , multitrandomfloat, random brightness, motion blur augment, but not change lb</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "695149": "**Overview:**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F0a7cdcb22e1b586730984c7cead2dd4c%2Fe8d19d9f029904e2561b3b2a220a301.png?generation=1576342183730083&amp;alt=media)\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd34adfe483aa0258a3c5f6f4d7e3c97f%2Fd98153e74ea343832ba652295782abf.png?generation=1576342183674857&amp;alt=media)\n\n**And you can find that some of the images are manually flipped horizontally.\nBecause in China, the opposite lanes are always on your left, obviously...**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2Fd251e07d87036e3d9c2ddf5706ef2419%2FID_2fee670a1.jpg?generation=1576342348946754&amp;alt=media)\n\n**At last,there's an interesting picture......😐 Is this picture taken by mobile phone....**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F2164736%2F10aedd56c80b21cb3511996441f15166%2FID_0a2c7cb83.jpg?generation=1576342541620503&amp;alt=media)",
    "695151": "The distribution of training sets and test sets is very different (it seems that these differences were made intentionally)\nSome augmentations maybe important for model generalization",
    "695400": "some images have intentional gaussian noise too..\ni guess the host wants to see how we handle the image augumentations. (photography noise etc..)",
    "695483": "intersting",
    "695758": "good find👍",
    "696064": "Noticed that too... I added some augmentations brightness, blur, flip... local cv higher but lb unchanged... Do you have any success with augmentations?",
    "700042": "Interesting ..",
    "700642": "Also add guassian , multitrandomfloat, random brightness, motion blur augment, but not change lb",
    "700644": "Have you tried filter the heat map confidence with threshold?"
  },
  "source": "meta"
}