{
  "id": 399793,
  "title": "Are there signs using two hands?",
  "url": "/competitions/asl-signs/discussion/399793",
  "author_name": "",
  "post_date": "2023-04-05T14:48:26.890078100Z",
  "votes": 5,
  "comment_count": 2,
  "views": 0,
  "content": "<p>Are there two-handed signs, or do all these 250 gestures use only one hand?</p>",
  "messages": [
    {
      "id": "2210673",
      "postDate": "04/05/2023 14:48:26",
      "content": "<p>Are there two-handed signs, or do all these 250 gestures use only one hand?</p>",
      "rawMarkdown": "Are there two-handed signs, or do all these 250 gestures use only one hand?",
      "votes": null
    },
    {
      "id": "2210751",
      "postDate": "04/05/2023 15:40:53",
      "content": "<p>I don't think there is any two-hand gesture. According to the data description.</p>\n<pre><code>Signers who communicate using American Sign Language as their primary language were recruited from across the United States. They were shipped a Pixel 4a smartphone with an installed collection app. The app prompted the signer with the concept in English to sign, randomly selected from the 250-sign vocabulary. **Signers pressed and held an on-screen button on the phone to record video while signing each concept, releasing the button after each sign. **\n</code></pre>\n<p>In fact, there are some samples where both hands appear, but it is mediapipe artifacts (like full body skeleton presented)</p>",
      "rawMarkdown": "I don't think there is any two-hand gesture. According to the data description.\n\n```\nSigners who communicate using American Sign Language as their primary language were recruited from across the United States. They were shipped a Pixel 4a smartphone with an installed collection app. The app prompted the signer with the concept in English to sign, randomly selected from the 250-sign vocabulary. **Signers pressed and held an on-screen button on the phone to record video while signing each concept, releasing the button after each sign. **\n```\n\nIn fact, there are some samples where both hands appear, but it is mediapipe artifacts (like full body skeleton presented)",
      "votes": null
    },
    {
      "id": "2210759",
      "postDate": "04/05/2023 15:47:57",
      "content": "<p>My latest model normalises the samples to be left handed.<br>\nIn this normalised dataset only ~0.6% of the right handed frames are filled.<br>\nIt is safe to ignore the 2nd (non-dominant) hand.</p>\n<p>My model using only a single hand achieves a LB score of 0.72.</p>",
      "rawMarkdown": "My latest model normalises the samples to be left handed.\nIn this normalised dataset only ~0.6% of the right handed frames are filled.\nIt is safe to ignore the 2nd (non-dominant) hand.\n\nMy model using only a single hand achieves a LB score of 0.72.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2210751,
      "author_name": "meowmeowmeowmeowmeow",
      "author_url": "",
      "post_date": "04/05/2023 15:40:53",
      "content": "<p>I don't think there is any two-hand gesture. According to the data description.</p>\n<pre><code>Signers who communicate using American Sign Language as their primary language were recruited from across the United States. They were shipped a Pixel 4a smartphone with an installed collection app. The app prompted the signer with the concept in English to sign, randomly selected from the 250-sign vocabulary. **Signers pressed and held an on-screen button on the phone to record video while signing each concept, releasing the button after each sign. **\n</code></pre>\n<p>In fact, there are some samples where both hands appear, but it is mediapipe artifacts (like full body skeleton presented)</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 2210759,
      "author_name": "markwijkhuizen",
      "author_url": "",
      "post_date": "04/05/2023 15:47:57",
      "content": "<p>My latest model normalises the samples to be left handed.<br>\nIn this normalised dataset only ~0.6% of the right handed frames are filled.<br>\nIt is safe to ignore the 2nd (non-dominant) hand.</p>\n<p>My model using only a single hand achieves a LB score of 0.72.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2210673": "Are there two-handed signs, or do all these 250 gestures use only one hand?",
    "2210751": "I don't think there is any two-hand gesture. According to the data description.\n\n```\nSigners who communicate using American Sign Language as their primary language were recruited from across the United States. They were shipped a Pixel 4a smartphone with an installed collection app. The app prompted the signer with the concept in English to sign, randomly selected from the 250-sign vocabulary. **Signers pressed and held an on-screen button on the phone to record video while signing each concept, releasing the button after each sign. **\n```\n\nIn fact, there are some samples where both hands appear, but it is mediapipe artifacts (like full body skeleton presented)",
    "2210759": "My latest model normalises the samples to be left handed.\nIn this normalised dataset only ~0.6% of the right handed frames are filled.\nIt is safe to ignore the 2nd (non-dominant) hand.\n\nMy model using only a single hand achieves a LB score of 0.72."
  },
  "source": "meta"
}