{
  "id": 497295,
  "title": "A Beginner's Doubt!",
  "url": "/competitions/image-matching-challenge-2024/discussion/497295",
  "author_name": "",
  "post_date": "2024-04-24T07:07:55.372332100Z",
  "votes": 1,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Hello everyone, sorry to interrupt with a newbie question. From what I understand, we need a reference frame to estimate the rotation and translation matrix of any given image. But, there doesn't seem to be any given reference frame in the dataset? Kindly help.</p>",
  "messages": [
    {
      "id": "2771276",
      "postDate": "04/24/2024 07:07:55",
      "content": "<p>Hello everyone, sorry to interrupt with a newbie question. From what I understand, we need a reference frame to estimate the rotation and translation matrix of any given image. But, there doesn't seem to be any given reference frame in the dataset? Kindly help.</p>",
      "rawMarkdown": "Hello everyone, sorry to interrupt with a newbie question. From what I understand, we need a reference frame to estimate the rotation and translation matrix of any given image. But, there doesn't seem to be any given reference frame in the dataset? Kindly help.",
      "votes": null
    },
    {
      "id": "2771562",
      "postDate": "04/24/2024 09:46:01",
      "content": "<p>All the transformations are given in \"camera to world\" format. And the world origin is the same for all cameras in the scene. <br>\nTherefore you do have a reference frame.</p>",
      "rawMarkdown": "All the transformations are given in \"camera to world\" format. And the world origin is the same for all cameras in the scene. \nTherefore you do have a reference frame.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2771562,
      "author_name": "oldufo",
      "author_url": "",
      "post_date": "04/24/2024 09:46:01",
      "content": "<p>All the transformations are given in \"camera to world\" format. And the world origin is the same for all cameras in the scene. <br>\nTherefore you do have a reference frame.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2771276": "Hello everyone, sorry to interrupt with a newbie question. From what I understand, we need a reference frame to estimate the rotation and translation matrix of any given image. But, there doesn't seem to be any given reference frame in the dataset? Kindly help.",
    "2771562": "All the transformations are given in \"camera to world\" format. And the world origin is the same for all cameras in the scene. \nTherefore you do have a reference frame."
  },
  "source": "meta"
}