{
  "id": 324425,
  "title": "Data sequence out of order",
  "url": "/competitions/iwildcam2022-fgvc9/discussion/324425",
  "author_name": "",
  "post_date": "2022-05-11T17:41:38.260051800Z",
  "votes": null,
  "comment_count": 4,
  "views": 0,
  "content": "<p>Are images in sequence <code>30226a6e-7d42-11eb-8fb5-0242ac1c0002</code> in correct order? Even the timestamps are duplicated.</p>\n<p><img src=\"https://postimg.cc/D46KtwC3\" alt=\"Images\"></p>\n<pre><code>{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8b599e94-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8b599e94-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 0}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '981bf884-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '981bf884-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 1}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '9487a128-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '9487a128-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 2}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8703acae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8703acae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 3}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8fd35762-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8fd35762-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 4}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8df3b0ae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8df3b0ae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 5}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8ac67f6a-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8ac67f6a-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 6}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8736c4f4-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8736c4f4-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 7}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8acb9702-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8acb9702-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 8}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:05.000', 'id': '990d1b88-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '990d1b88-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 9}\n</code></pre>",
  "messages": [
    {
      "id": "1785008",
      "postDate": "05/11/2022 17:41:38",
      "content": "<p>Are images in sequence <code>30226a6e-7d42-11eb-8fb5-0242ac1c0002</code> in correct order? Even the timestamps are duplicated.</p>\n<p><img src=\"https://postimg.cc/D46KtwC3\" alt=\"Images\"></p>\n<pre><code>{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8b599e94-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8b599e94-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 0}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '981bf884-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '981bf884-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 1}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '9487a128-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '9487a128-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 2}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8703acae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8703acae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 3}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8fd35762-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8fd35762-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 4}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8df3b0ae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8df3b0ae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 5}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8ac67f6a-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8ac67f6a-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 6}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8736c4f4-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8736c4f4-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 7}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8acb9702-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8acb9702-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 8}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:05.000', 'id': '990d1b88-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '990d1b88-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 9}\n</code></pre>",
      "rawMarkdown": "Are images in sequence `30226a6e-7d42-11eb-8fb5-0242ac1c0002` in correct order? Even the timestamps are duplicated.\n\n![Images](https://postimg.cc/D46KtwC3)\n\n```\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8b599e94-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8b599e94-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 0}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '981bf884-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '981bf884-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 1}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '9487a128-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '9487a128-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 2}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8703acae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8703acae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 3}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8fd35762-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8fd35762-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 4}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8df3b0ae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8df3b0ae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 5}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8ac67f6a-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8ac67f6a-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 6}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8736c4f4-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8736c4f4-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 7}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8acb9702-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8acb9702-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 8}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:05.000', 'id': '990d1b88-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '990d1b88-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 9}\n```",
      "votes": null
    },
    {
      "id": "1785052",
      "postDate": "05/11/2022 18:54:34",
      "content": "<p>Hi, as I wrote in another thread, I think those images may be exact duplicates, see here some visual examples <a href=\"https://drive.google.com/file/d/1M0CpOMm-Gx89bKfm2ehi9XaGm2NKtYhm/view?usp=sharing\" target=\"_blank\">https://drive.google.com/file/d/1M0CpOMm-Gx89bKfm2ehi9XaGm2NKtYhm/view?usp=sharing</a></p>",
      "rawMarkdown": "Hi, as I wrote in another thread, I think those images may be exact duplicates, see here some visual examples https://drive.google.com/file/d/1M0CpOMm-Gx89bKfm2ehi9XaGm2NKtYhm/view?usp=sharing",
      "votes": null
    },
    {
      "id": "1785108",
      "postDate": "05/11/2022 19:45:05",
      "content": "<p>I looked little bit further into it and it turns out timestamp shown as overlay shows different timestamp than one given as metadata.</p>\n<p><code>seq_frame_num 0</code>: <code>8b599e94-21bc-11ea-a13a-137349068a90.jpg</code> -&gt; image show 7:46:15am but <code>'datetime': '2014-08-31 07:46:01.000'</code><br>\n<code>seq_frame_num: 1</code> -&gt; <code>981bf884-21bc-11ea-a13a-137349068a90.jpg</code> -&gt; image shows 7:46:14am but <code>'datetime': '2014-08-31 07:46:01.000'</code></p>\n<p>At least this sequence is in incorrect order.</p>",
      "rawMarkdown": "I looked little bit further into it and it turns out timestamp shown as overlay shows different timestamp than one given as metadata.\n\n`seq_frame_num 0`: `8b599e94-21bc-11ea-a13a-137349068a90.jpg` -> image show 7:46:15am but `'datetime': '2014-08-31 07:46:01.000'`\n`seq_frame_num: 1` -> `981bf884-21bc-11ea-a13a-137349068a90.jpg` -> image shows 7:46:14am but `'datetime': '2014-08-31 07:46:01.000'`\n\nAt least this sequence is in incorrect order.",
      "votes": null
    },
    {
      "id": "1785109",
      "postDate": "05/11/2022 19:45:50",
      "content": "<p>It turns out in this case, it is not duplicate but rather incorrectly timestamped and out-of-order data</p>",
      "rawMarkdown": "It turns out in this case, it is not duplicate but rather incorrectly timestamped and out-of-order data",
      "votes": null
    },
    {
      "id": "1785160",
      "postDate": "05/11/2022 21:25:42",
      "content": "<p>I did check the original data as well. It is for example also in the previous competitions. Good find. I will look a little further into it. It might be a property of the camtrap itself.</p>",
      "rawMarkdown": "I did check the original data as well. It is for example also in the previous competitions. Good find. I will look a little further into it. It might be a property of the camtrap itself.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1785052,
      "author_name": "graphlab",
      "author_url": "",
      "post_date": "05/11/2022 18:54:34",
      "content": "<p>Hi, as I wrote in another thread, I think those images may be exact duplicates, see here some visual examples <a href=\"https://drive.google.com/file/d/1M0CpOMm-Gx89bKfm2ehi9XaGm2NKtYhm/view?usp=sharing\" target=\"_blank\">https://drive.google.com/file/d/1M0CpOMm-Gx89bKfm2ehi9XaGm2NKtYhm/view?usp=sharing</a></p>",
      "votes": null,
      "replies": [
        {
          "id": 1785109,
          "author_name": "jaweeew",
          "author_url": "",
          "post_date": "05/11/2022 19:45:50",
          "content": "<p>It turns out in this case, it is not duplicate but rather incorrectly timestamped and out-of-order data</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1785108,
      "author_name": "jaweeew",
      "author_url": "",
      "post_date": "05/11/2022 19:45:05",
      "content": "<p>I looked little bit further into it and it turns out timestamp shown as overlay shows different timestamp than one given as metadata.</p>\n<p><code>seq_frame_num 0</code>: <code>8b599e94-21bc-11ea-a13a-137349068a90.jpg</code> -&gt; image show 7:46:15am but <code>'datetime': '2014-08-31 07:46:01.000'</code><br>\n<code>seq_frame_num: 1</code> -&gt; <code>981bf884-21bc-11ea-a13a-137349068a90.jpg</code> -&gt; image shows 7:46:14am but <code>'datetime': '2014-08-31 07:46:01.000'</code></p>\n<p>At least this sequence is in incorrect order.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1785160,
      "author_name": "johnbeuving",
      "author_url": "",
      "post_date": "05/11/2022 21:25:42",
      "content": "<p>I did check the original data as well. It is for example also in the previous competitions. Good find. I will look a little further into it. It might be a property of the camtrap itself.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1785008": "Are images in sequence `30226a6e-7d42-11eb-8fb5-0242ac1c0002` in correct order? Even the timestamps are duplicated.\n\n![Images](https://postimg.cc/D46KtwC3)\n\n```\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8b599e94-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8b599e94-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 0}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '981bf884-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '981bf884-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 1}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '9487a128-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '9487a128-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 2}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8703acae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8703acae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 3}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:01.000', 'id': '8fd35762-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8fd35762-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 4}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8df3b0ae-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8df3b0ae-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 5}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8ac67f6a-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8ac67f6a-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 6}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8736c4f4-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8736c4f4-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 7}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:02.000', 'id': '8acb9702-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '8acb9702-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 8}\n{'seq_num_frames': 10, 'location': 416, 'datetime': '2014-08-31 07:46:05.000', 'id': '990d1b88-21bc-11ea-a13a-137349068a90', 'seq_id': '30226a6e-7d42-11eb-8fb5-0242ac1c0002', 'width': 2048, 'height': 1536, 'file_name': '990d1b88-21bc-11ea-a13a-137349068a90.jpg', 'seq_frame_num': 9}\n```",
    "1785052": "Hi, as I wrote in another thread, I think those images may be exact duplicates, see here some visual examples https://drive.google.com/file/d/1M0CpOMm-Gx89bKfm2ehi9XaGm2NKtYhm/view?usp=sharing",
    "1785108": "I looked little bit further into it and it turns out timestamp shown as overlay shows different timestamp than one given as metadata.\n\n`seq_frame_num 0`: `8b599e94-21bc-11ea-a13a-137349068a90.jpg` -> image show 7:46:15am but `'datetime': '2014-08-31 07:46:01.000'`\n`seq_frame_num: 1` -> `981bf884-21bc-11ea-a13a-137349068a90.jpg` -> image shows 7:46:14am but `'datetime': '2014-08-31 07:46:01.000'`\n\nAt least this sequence is in incorrect order.",
    "1785109": "It turns out in this case, it is not duplicate but rather incorrectly timestamped and out-of-order data",
    "1785160": "I did check the original data as well. It is for example also in the previous competitions. Good find. I will look a little further into it. It might be a property of the camtrap itself."
  },
  "source": "meta"
}