{
  "id": 121466,
  "title": "Face swaps vs. reconstruction",
  "url": "/competitions/deepfake-detection-challenge/discussion/121466",
  "author_name": "",
  "post_date": "2019-12-13T13:36:46.886859100Z",
  "votes": null,
  "comment_count": 3,
  "views": 0,
  "content": "<p>After a first visual inspection of the training data, I got the impression that some (or even most that I looked at) fakes are not really face <strong>swaps</strong>, but face <strong>reconstructions</strong>. I mean: It looks like the face has been swapped for the same face, while - for a face swap - I would have expected the faces to be more different. Can anyone confirm this?</p>",
  "messages": [
    {
      "id": "694372",
      "postDate": "12/13/2019 13:36:46",
      "content": "<p>After a first visual inspection of the training data, I got the impression that some (or even most that I looked at) fakes are not really face <strong>swaps</strong>, but face <strong>reconstructions</strong>. I mean: It looks like the face has been swapped for the same face, while - for a face swap - I would have expected the faces to be more different. Can anyone confirm this?</p>",
      "rawMarkdown": "After a first visual inspection of the training data, I got the impression that some (or even most that I looked at) fakes are not really face **swaps**, but face **reconstructions**. I mean: It looks like the face has been swapped for the same face, while - for a face swap - I would have expected the faces to be more different. Can anyone confirm this?",
      "votes": null
    },
    {
      "id": "694376",
      "postDate": "12/13/2019 13:44:10",
      "content": "<p>In the test videos: fnxgqcvlsd and ipvwtgdlre look exactly the same. However, the nose in the second video looks a bit blurry. It's very subtle. Could have been a face reconstruction. Not sure if it is even the full face.</p>",
      "rawMarkdown": "In the test videos: fnxgqcvlsd and ipvwtgdlre look exactly the same. However, the nose in the second video looks a bit blurry. It's very subtle. Could have been a face reconstruction. Not sure if it is even the full face.",
      "votes": null
    },
    {
      "id": "694379",
      "postDate": "12/13/2019 13:47:04",
      "content": "<p>Maybe the swaps are for persons that look very similar?</p>",
      "rawMarkdown": "Maybe the swaps are for persons that look very similar?",
      "votes": null
    },
    {
      "id": "694421",
      "postDate": "12/13/2019 15:02:49",
      "content": "<p>I don't think they would have enough data to have similar persons available.</p>",
      "rawMarkdown": "I don't think they would have enough data to have similar persons available.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 694376,
      "author_name": "sdoria",
      "author_url": "",
      "post_date": "12/13/2019 13:44:10",
      "content": "<p>In the test videos: fnxgqcvlsd and ipvwtgdlre look exactly the same. However, the nose in the second video looks a bit blurry. It's very subtle. Could have been a face reconstruction. Not sure if it is even the full face.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 694379,
      "author_name": "stmandl",
      "author_url": "",
      "post_date": "12/13/2019 13:47:04",
      "content": "<p>Maybe the swaps are for persons that look very similar?</p>",
      "votes": null,
      "replies": [
        {
          "id": 694421,
          "author_name": "sdoria",
          "author_url": "",
          "post_date": "12/13/2019 15:02:49",
          "content": "<p>I don't think they would have enough data to have similar persons available.</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "694372": "After a first visual inspection of the training data, I got the impression that some (or even most that I looked at) fakes are not really face **swaps**, but face **reconstructions**. I mean: It looks like the face has been swapped for the same face, while - for a face swap - I would have expected the faces to be more different. Can anyone confirm this?",
    "694376": "In the test videos: fnxgqcvlsd and ipvwtgdlre look exactly the same. However, the nose in the second video looks a bit blurry. It's very subtle. Could have been a face reconstruction. Not sure if it is even the full face.",
    "694379": "Maybe the swaps are for persons that look very similar?",
    "694421": "I don't think they would have enough data to have similar persons available."
  },
  "source": "meta"
}