{
  "id": 121461,
  "title": "One Face Per Frame?",
  "url": "/competitions/deepfake-detection-challenge/discussion/121461",
  "author_name": "",
  "post_date": "2019-12-13T13:00:08.490283300Z",
  "votes": 2,
  "comment_count": 7,
  "views": 0,
  "content": "<p>I've been looking at the data and so far I've noticed that all the videos I've looked at have one and only one face in frame at a time. Can someone help me confirm that all of the training videos contain only one face?</p>",
  "messages": [
    {
      "id": "694345",
      "postDate": "12/13/2019 13:00:08",
      "content": "<p>I've been looking at the data and so far I've noticed that all the videos I've looked at have one and only one face in frame at a time. Can someone help me confirm that all of the training videos contain only one face?</p>",
      "rawMarkdown": "I've been looking at the data and so far I've noticed that all the videos I've looked at have one and only one face in frame at a time. Can someone help me confirm that all of the training videos contain only one face?",
      "votes": null
    },
    {
      "id": "694355",
      "postDate": "12/13/2019 13:11:08",
      "content": "<p>I've seen some that have two faces. There may be more.</p>",
      "rawMarkdown": "I've seen some that have two faces. There may be more.",
      "votes": null
    },
    {
      "id": "694357",
      "postDate": "12/13/2019 13:14:34",
      "content": "<p>The best way here is to scan all frames on all videos and count number of faces to be sure. I am pretty sure there could be multiple faces the question is in case of let`s say 2 faces detected on a frame (for a fake video) all these 2 faces are fakes or not</p>",
      "rawMarkdown": "The best way here is to scan all frames on all videos and count number of faces to be sure. I am pretty sure there could be multiple faces the question is in case of let`s say 2 faces detected on a frame (for a fake video) all these 2 faces are fakes or not",
      "votes": null
    },
    {
      "id": "694371",
      "postDate": "12/13/2019 13:36:46",
      "content": "<p>Yes , there's a series with two women sitting on the couch talking.</p>",
      "rawMarkdown": "Yes , there's a series with two women sitting on the couch talking.",
      "votes": null
    },
    {
      "id": "695123",
      "postDate": "12/14/2019 16:11:20",
      "content": "<p>Great thought. I'm assuming if at least one face is changed it is considered a fake video. So there might be a deepfake video with two faces, one real and one fake!!</p>",
      "rawMarkdown": "Great thought. I'm assuming if at least one face is changed it is considered a fake video. So there might be a deepfake video with two faces, one real and one fake!!",
      "votes": null
    },
    {
      "id": "695200",
      "postDate": "12/14/2019 18:48:40",
      "content": "<p>Yeah many fake people are really two-faced </p>",
      "rawMarkdown": "Yeah many fake people are really two-faced",
      "votes": null
    },
    {
      "id": "695201",
      "postDate": "12/14/2019 18:50:45",
      "content": "<p><a href=\"/sdoria\">@sdoria</a> if you see carefully there is a ghostlike blur going from one face to another in this two women talking video ..</p>",
      "rawMarkdown": "sdoria if you see carefully there is a ghostlike blur going from one face to another in this two women talking video ..",
      "votes": null
    },
    {
      "id": "698340",
      "postDate": "12/19/2019 05:10:02",
      "content": "<p>I looked at the first 400 training and do NOT agree with your observation.  Two faces are common.</p>",
      "rawMarkdown": "I looked at the first 400 training and do NOT agree with your observation.  Two faces are common.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 694355,
      "author_name": "robikscube",
      "author_url": "",
      "post_date": "12/13/2019 13:11:08",
      "content": "<p>I've seen some that have two faces. There may be more.</p>",
      "votes": null,
      "replies": [
        {
          "id": 694371,
          "author_name": "sdoria",
          "author_url": "",
          "post_date": "12/13/2019 13:36:46",
          "content": "<p>Yes , there's a series with two women sitting on the couch talking.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 695200,
          "author_name": "phoenix9032",
          "author_url": "",
          "post_date": "12/14/2019 18:48:40",
          "content": "<p>Yeah many fake people are really two-faced </p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 695201,
          "author_name": "phoenix9032",
          "author_url": "",
          "post_date": "12/14/2019 18:50:45",
          "content": "<p><a href=\"/sdoria\">@sdoria</a> if you see carefully there is a ghostlike blur going from one face to another in this two women talking video ..</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 694357,
      "author_name": "ildara",
      "author_url": "",
      "post_date": "12/13/2019 13:14:34",
      "content": "<p>The best way here is to scan all frames on all videos and count number of faces to be sure. I am pretty sure there could be multiple faces the question is in case of let`s say 2 faces detected on a frame (for a fake video) all these 2 faces are fakes or not</p>",
      "votes": null,
      "replies": [
        {
          "id": 695123,
          "author_name": "coenvalk",
          "author_url": "",
          "post_date": "12/14/2019 16:11:20",
          "content": "<p>Great thought. I'm assuming if at least one face is changed it is considered a fake video. So there might be a deepfake video with two faces, one real and one fake!!</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 698340,
      "author_name": "pcjimmmy",
      "author_url": "",
      "post_date": "12/19/2019 05:10:02",
      "content": "<p>I looked at the first 400 training and do NOT agree with your observation.  Two faces are common.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "694345": "I've been looking at the data and so far I've noticed that all the videos I've looked at have one and only one face in frame at a time. Can someone help me confirm that all of the training videos contain only one face?",
    "694355": "I've seen some that have two faces. There may be more.",
    "694357": "The best way here is to scan all frames on all videos and count number of faces to be sure. I am pretty sure there could be multiple faces the question is in case of let`s say 2 faces detected on a frame (for a fake video) all these 2 faces are fakes or not",
    "694371": "Yes , there's a series with two women sitting on the couch talking.",
    "695123": "Great thought. I'm assuming if at least one face is changed it is considered a fake video. So there might be a deepfake video with two faces, one real and one fake!!",
    "695200": "Yeah many fake people are really two-faced",
    "695201": "sdoria if you see carefully there is a ghostlike blur going from one face to another in this two women talking video ..",
    "698340": "I looked at the first 400 training and do NOT agree with your observation.  Two faces are common."
  },
  "source": "meta"
}