{
  "id": 123929,
  "title": "Awesome bird's eye view!",
  "url": "/competitions/pku-autonomous-driving/discussion/123929",
  "author_name": "",
  "post_date": "2019-12-31T15:45:00.348276100Z",
  "votes": 3,
  "comment_count": 11,
  "views": 0,
  "content": "<p>It's gif, maybe need to waite several seconds.\n<img src=\"http://diegojohnson.github.io/car1.gif\" alt=\"2\"></p>",
  "messages": [
    {
      "id": "707300",
      "postDate": "12/31/2019 15:45:00",
      "content": "<p>It's gif, maybe need to waite several seconds.\n<img src=\"http://diegojohnson.github.io/car1.gif\" alt=\"2\"></p>",
      "rawMarkdown": "It's gif, maybe need to waite several seconds.\n![2](http://diegojohnson.github.io/car1.gif)",
      "votes": null
    },
    {
      "id": "707312",
      "postDate": "12/31/2019 16:02:06",
      "content": "<p>thanks, I learn a lot from this kernel. <a href=\"/ebouteillon\">@ebouteillon</a>\n<a href=\"https://www.kaggle.com/ebouteillon/augmented-reality\">https://www.kaggle.com/ebouteillon/augmented-reality</a></p>",
      "rawMarkdown": "thanks, I learn a lot from this kernel. @ebouteillon\nhttps://www.kaggle.com/ebouteillon/augmented-reality",
      "votes": null
    },
    {
      "id": "707341",
      "postDate": "12/31/2019 17:06:33",
      "content": "<p>Hi <a href=\"/diegojohnson\">@diegojohnson</a>  , you're welcomed! 😄 \nIt seems your post contains an image, unfortunately, I cant see it.</p>",
      "rawMarkdown": "Hi @diegojohnson  , you're welcomed! 😄 \nIt seems your post contains an image, unfortunately, I cant see it.",
      "votes": null
    },
    {
      "id": "707346",
      "postDate": "12/31/2019 17:18:34",
      "content": "<p>😂 okay, I'll fix it.</p>",
      "rawMarkdown": "😂 okay, I'll fix it.",
      "votes": null
    },
    {
      "id": "707586",
      "postDate": "01/01/2020 05:30:26",
      "content": "<p>hi,这个不能用来训练吧？我尝试了以后效果不太好...还是说透明度调高就可以用来训练了？</p>",
      "rawMarkdown": "hi,这个不能用来训练吧？我尝试了以后效果不太好...还是说透明度调高就可以用来训练了？",
      "votes": null
    },
    {
      "id": "707592",
      "postDate": "01/01/2020 05:51:34",
      "content": "<p>只是为了好看，基本上用不到。</p>",
      "rawMarkdown": "只是为了好看，基本上用不到。",
      "votes": null
    },
    {
      "id": "707760",
      "postDate": "01/01/2020 12:37:23",
      "content": "<p>Nice animation </p>",
      "rawMarkdown": "Nice animation",
      "votes": null
    },
    {
      "id": "708098",
      "postDate": "01/02/2020 01:31:11",
      "content": "<p>I think we can use them to get masks and bbox of cars (and this may lead to two-stage det models). \nTry \n&gt; cv2.fillConvexPoly(image, coord, (0,0,255))</p>\n\n<p>instead of </p>\n\n<p>&gt; cv2.polylines(image, np.int32([coord]), 1, (0,0,255))</p>\n\n<p>in code block no.5.</p>",
      "rawMarkdown": "I think we can use them to get masks and bbox of cars (and this may lead to two-stage det models). \nTry \n&gt; cv2.fillConvexPoly(image, coord, (0,0,255))\n\ninstead of \n\n&gt; cv2.polylines(image, np.int32([coord]), 1, (0,0,255))\n\nin code block no.5.",
      "votes": null
    },
    {
      "id": "708110",
      "postDate": "01/02/2020 02:15:29",
      "content": "<p>Thanks, good idea .It is better than my way to get bbox. I using the mean (Width&amp;Height&amp;Length) and center point to calculate the bbox ,  the error is  a little bit bigger</p>",
      "rawMarkdown": "Thanks, good idea .It is better than my way to get bbox. I using the mean (Width&amp;Height&amp;Length) and center point to calculate the bbox ,  the error is  a little bit bigger",
      "votes": null
    },
    {
      "id": "708168",
      "postDate": "01/02/2020 03:25:47",
      "content": "<p>Thanks for the excellent post</p>",
      "rawMarkdown": "Thanks for the excellent post",
      "votes": null
    },
    {
      "id": "708339",
      "postDate": "01/02/2020 07:54:57",
      "content": "<p>Hi,thanks for you excellent post, I am trying 3d target detection for the first time. I have a question, when the picture is flipped vertically, how to deal with the Angle?</p>",
      "rawMarkdown": "Hi,thanks for you excellent post, I am trying 3d target detection for the first time. I have a question, when the picture is flipped vertically, how to deal with the Angle?",
      "votes": null
    },
    {
      "id": "708394",
      "postDate": "01/02/2020 08:59:10",
      "content": "<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F3876174%2F18e61736928a13d0b7353dca11adc166%2F2020-01-02_165813.png?generation=1577955547593169&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F3876174%2F18e61736928a13d0b7353dca11adc166%2F2020-01-02_165813.png?generation=1577955547593169&amp;alt=media)",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 707312,
      "author_name": "diegojohnson",
      "author_url": "",
      "post_date": "12/31/2019 16:02:06",
      "content": "<p>thanks, I learn a lot from this kernel. <a href=\"/ebouteillon\">@ebouteillon</a>\n<a href=\"https://www.kaggle.com/ebouteillon/augmented-reality\">https://www.kaggle.com/ebouteillon/augmented-reality</a></p>",
      "votes": null,
      "replies": [
        {
          "id": 707586,
          "author_name": "guobaozi",
          "author_url": "",
          "post_date": "01/01/2020 05:30:26",
          "content": "<p>hi,这个不能用来训练吧？我尝试了以后效果不太好...还是说透明度调高就可以用来训练了？</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 707592,
          "author_name": "diegojohnson",
          "author_url": "",
          "post_date": "01/01/2020 05:51:34",
          "content": "<p>只是为了好看，基本上用不到。</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 708098,
          "author_name": "richardwong1994",
          "author_url": "",
          "post_date": "01/02/2020 01:31:11",
          "content": "<p>I think we can use them to get masks and bbox of cars (and this may lead to two-stage det models). \nTry \n&gt; cv2.fillConvexPoly(image, coord, (0,0,255))</p>\n\n<p>instead of </p>\n\n<p>&gt; cv2.polylines(image, np.int32([coord]), 1, (0,0,255))</p>\n\n<p>in code block no.5.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 708110,
          "author_name": "guobaozi",
          "author_url": "",
          "post_date": "01/02/2020 02:15:29",
          "content": "<p>Thanks, good idea .It is better than my way to get bbox. I using the mean (Width&amp;Height&amp;Length) and center point to calculate the bbox ,  the error is  a little bit bigger</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 707341,
      "author_name": "ebouteillon",
      "author_url": "",
      "post_date": "12/31/2019 17:06:33",
      "content": "<p>Hi <a href=\"/diegojohnson\">@diegojohnson</a>  , you're welcomed! 😄 \nIt seems your post contains an image, unfortunately, I cant see it.</p>",
      "votes": null,
      "replies": [
        {
          "id": 707346,
          "author_name": "diegojohnson",
          "author_url": "",
          "post_date": "12/31/2019 17:18:34",
          "content": "<p>😂 okay, I'll fix it.</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 707760,
      "author_name": "ebouteillon",
      "author_url": "",
      "post_date": "01/01/2020 12:37:23",
      "content": "<p>Nice animation </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 708168,
      "author_name": "ahmedsmara",
      "author_url": "",
      "post_date": "01/02/2020 03:25:47",
      "content": "<p>Thanks for the excellent post</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 708339,
      "author_name": "changebin",
      "author_url": "",
      "post_date": "01/02/2020 07:54:57",
      "content": "<p>Hi,thanks for you excellent post, I am trying 3d target detection for the first time. I have a question, when the picture is flipped vertically, how to deal with the Angle?</p>",
      "votes": null,
      "replies": [
        {
          "id": 708394,
          "author_name": "diegojohnson",
          "author_url": "",
          "post_date": "01/02/2020 08:59:10",
          "content": "<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F3876174%2F18e61736928a13d0b7353dca11adc166%2F2020-01-02_165813.png?generation=1577955547593169&amp;alt=media\" alt=\"\"></p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "707300": "It's gif, maybe need to waite several seconds.\n![2](http://diegojohnson.github.io/car1.gif)",
    "707312": "thanks, I learn a lot from this kernel. @ebouteillon\nhttps://www.kaggle.com/ebouteillon/augmented-reality",
    "707341": "Hi @diegojohnson  , you're welcomed! 😄 \nIt seems your post contains an image, unfortunately, I cant see it.",
    "707346": "😂 okay, I'll fix it.",
    "707586": "hi,这个不能用来训练吧？我尝试了以后效果不太好...还是说透明度调高就可以用来训练了？",
    "707592": "只是为了好看，基本上用不到。",
    "707760": "Nice animation",
    "708098": "I think we can use them to get masks and bbox of cars (and this may lead to two-stage det models). \nTry \n&gt; cv2.fillConvexPoly(image, coord, (0,0,255))\n\ninstead of \n\n&gt; cv2.polylines(image, np.int32([coord]), 1, (0,0,255))\n\nin code block no.5.",
    "708110": "Thanks, good idea .It is better than my way to get bbox. I using the mean (Width&amp;Height&amp;Length) and center point to calculate the bbox ,  the error is  a little bit bigger",
    "708168": "Thanks for the excellent post",
    "708339": "Hi,thanks for you excellent post, I am trying 3d target detection for the first time. I have a question, when the picture is flipped vertically, how to deal with the Angle?",
    "708394": "![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F3876174%2F18e61736928a13d0b7353dca11adc166%2F2020-01-02_165813.png?generation=1577955547593169&amp;alt=media)"
  },
  "source": "meta"
}