{
  "id": 116788,
  "title": "Some thoughts on using 3D model",
  "url": "/competitions/pku-autonomous-driving/discussion/116788",
  "author_name": "",
  "post_date": "2019-11-11T13:04:13.506836900Z",
  "votes": 1,
  "comment_count": 4,
  "views": 0,
  "content": "<p>3D models can be used to get length, width and height of a car, further more, combined with 6DoF in train.csv, box information can be calculated. However, I still can't find usefull information about car model mapping. Any idea? </p>",
  "messages": [
    {
      "id": "670430",
      "postDate": "11/11/2019 13:04:13",
      "content": "<p>3D models can be used to get length, width and height of a car, further more, combined with 6DoF in train.csv, box information can be calculated. However, I still can't find usefull information about car model mapping. Any idea? </p>",
      "rawMarkdown": "3D models can be used to get length, width and height of a car, further more, combined with 6DoF in train.csv, box information can be calculated. However, I still can't find usefull information about car model mapping. Any idea?",
      "votes": null
    },
    {
      "id": "671154",
      "postDate": "11/12/2019 10:22:33",
      "content": "<p>In singleshotpose, it predicts 3d bounding box, with its' 9 points (center point + 8 corners) you can do pnp with the 3D model, which gives you a rotation matrix and a translation matrix.</p>",
      "rawMarkdown": "In singleshotpose, it predicts 3d bounding box, with its' 9 points (center point + 8 corners) you can do pnp with the 3D model, which gives you a rotation matrix and a translation matrix.",
      "votes": null
    },
    {
      "id": "683156",
      "postDate": "11/28/2019 06:30:25",
      "content": "<p>Can you tell me some details? How to ultilize epnp with 3d model and 9 b-box?</p>",
      "rawMarkdown": "Can you tell me some details? How to ultilize epnp with 3d model and 9 b-box?",
      "votes": null
    },
    {
      "id": "687178",
      "postDate": "12/04/2019 02:36:28",
      "content": "<p>I see many notebooks haven't use 3D models.</p>",
      "rawMarkdown": "I see many notebooks haven't use 3D models.",
      "votes": null
    },
    {
      "id": "687180",
      "postDate": "12/04/2019 02:37:28",
      "content": "<p>You can look this.\n<a href=\"https://www.kaggle.com/ebouteillon/augmented-reality\">https://www.kaggle.com/ebouteillon/augmented-reality</a></p>",
      "rawMarkdown": "You can look this.\nhttps://www.kaggle.com/ebouteillon/augmented-reality",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 671154,
      "author_name": "zhibolin",
      "author_url": "",
      "post_date": "11/12/2019 10:22:33",
      "content": "<p>In singleshotpose, it predicts 3d bounding box, with its' 9 points (center point + 8 corners) you can do pnp with the 3D model, which gives you a rotation matrix and a translation matrix.</p>",
      "votes": null,
      "replies": [
        {
          "id": 683156,
          "author_name": "guobaozi",
          "author_url": "",
          "post_date": "11/28/2019 06:30:25",
          "content": "<p>Can you tell me some details? How to ultilize epnp with 3d model and 9 b-box?</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 687178,
      "author_name": "diegojohnson",
      "author_url": "",
      "post_date": "12/04/2019 02:36:28",
      "content": "<p>I see many notebooks haven't use 3D models.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 687180,
      "author_name": "diegojohnson",
      "author_url": "",
      "post_date": "12/04/2019 02:37:28",
      "content": "<p>You can look this.\n<a href=\"https://www.kaggle.com/ebouteillon/augmented-reality\">https://www.kaggle.com/ebouteillon/augmented-reality</a></p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "670430": "3D models can be used to get length, width and height of a car, further more, combined with 6DoF in train.csv, box information can be calculated. However, I still can't find usefull information about car model mapping. Any idea?",
    "671154": "In singleshotpose, it predicts 3d bounding box, with its' 9 points (center point + 8 corners) you can do pnp with the 3D model, which gives you a rotation matrix and a translation matrix.",
    "683156": "Can you tell me some details? How to ultilize epnp with 3d model and 9 b-box?",
    "687178": "I see many notebooks haven't use 3D models.",
    "687180": "You can look this.\nhttps://www.kaggle.com/ebouteillon/augmented-reality"
  },
  "source": "meta"
}