{
  "id": 5171,
  "title": "How to get the original depth map?",
  "url": "/competitions/multi-modal-gesture-recognition/discussion/5171",
  "author_name": "",
  "post_date": "2013-07-22T14:43:50.917Z",
  "votes": null,
  "comment_count": 2,
  "views": 996,
  "content": "<p>We want to use the original depth map to do the competition, but the depth video we get is preprocessed,&nbsp;How to rebuild original depth map from the depth video?</p>",
  "messages": [
    {
      "id": "27512",
      "postDate": "07/22/2013 14:43:50",
      "content": "<p>We want to use the original depth map to do the competition, but the depth video we get is preprocessed,&nbsp;How to rebuild original depth map from the depth video?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "27521",
      "postDate": "07/22/2013 18:58:39",
      "content": "<p>Dear Chact,</p>\n<p>the most similar to the original depth map, that you can obtain is the one retrieved by the method getSampleData.m, available at the download page.</p>\n<p>Can you provide us more information about what you need, and why this information is not useful for you?</p>\n<p>Thank you.</p>\n<p>Xavier</p>\n<p>&nbsp;</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "27657",
      "postDate": "07/25/2013 18:40:44",
      "content": "<p>Dear Chact,</p>\n<p>If do you want to work with the original depth data you could use (matlab):</p>\n<p>depth = uint16(round(double(rgb2gray(frame))/255.0*maxDepth));</p>\n<p>&nbsp;</p>\n<p><em>frame</em> variable in this case it is a depth frame of the sequence, and maxDepth it is a variable stored in *.mat data structure</p>\n<p>The output will be espressed in milimiters.</p>\n<p>Greetings,</p>\n<p>&nbsp;</p>\n<p>Miguel Reyes Estany</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 27521,
      "author_name": "xbaro100272",
      "author_url": "",
      "post_date": "07/22/2013 18:58:39",
      "content": "<p>Dear Chact,</p>\n<p>the most similar to the original depth map, that you can obtain is the one retrieved by the method getSampleData.m, available at the download page.</p>\n<p>Can you provide us more information about what you need, and why this information is not useful for you?</p>\n<p>Thank you.</p>\n<p>Xavier</p>\n<p>&nbsp;</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 27657,
      "author_name": "miguelreyesestany",
      "author_url": "",
      "post_date": "07/25/2013 18:40:44",
      "content": "<p>Dear Chact,</p>\n<p>If do you want to work with the original depth data you could use (matlab):</p>\n<p>depth = uint16(round(double(rgb2gray(frame))/255.0*maxDepth));</p>\n<p>&nbsp;</p>\n<p><em>frame</em> variable in this case it is a depth frame of the sequence, and maxDepth it is a variable stored in *.mat data structure</p>\n<p>The output will be espressed in milimiters.</p>\n<p>Greetings,</p>\n<p>&nbsp;</p>\n<p>Miguel Reyes Estany</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "27512": "",
    "27521": "",
    "27657": ""
  },
  "source": "meta"
}