{
  "id": 573001,
  "title": "Transformation and rotation matrices",
  "url": "/competitions/image-matching-challenge-2025/discussion/573001",
  "author_name": "Ali Kabirzadeh",
  "post_date": "2025-04-12T20:05:32.590000",
  "votes": 0,
  "comment_count": 2,
  "views": 0,
  "content": "<p>Have you used rotation and transformation matrices in clustering, or have they been used only for sorting images?</p>",
  "messages": [
    {
      "id": 3177475,
      "postDate": "2025-04-12T20:05:32.590Z",
      "content": "<p>Have you used rotation and transformation matrices in clustering, or have they been used only for sorting images?</p>",
      "rawMarkdown": "Have you used rotation and transformation matrices in clustering, or have they been used only for sorting images?"
    },
    {
      "id": 3178407,
      "postDate": "2025-04-14T06:01:20.480Z",
      "rawMarkdown": "",
      "votes": 1,
      "isDeleted": true,
      "replies": [
        {
          "id": 3178466,
          "postDate": "2025-04-14T08:11:09.893Z",
          "content": "<p>thanks for your help</p>",
          "rawMarkdown": "thanks for your help"
        }
      ]
    }
  ],
  "comments": [
    {
      "id": 3178407,
      "author_name": "",
      "author_url": "",
      "post_date": "2025-04-14T06:01:20.480000",
      "content": "",
      "votes": 1,
      "replies": [
        {
          "id": 3178466,
          "author_name": "Ali Kabirzadeh",
          "author_url": "",
          "post_date": "2025-04-14T08:11:09.893000",
          "content": "<p>thanks for your help</p>",
          "votes": 0,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "3177475": "Have you used rotation and transformation matrices in clustering, or have they been used only for sorting images?",
    "3178407": ""
  }
}