{
  "id": 4994,
  "title": "Audio  Features ",
  "url": "/competitions/multi-modal-gesture-recognition/discussion/4994",
  "author_name": "",
  "post_date": "2013-07-02T08:47:30.013Z",
  "votes": null,
  "comment_count": 3,
  "views": 1757,
  "content": "<p>Hi everybody</p>\r\n<p>I am not able to figure out whats there in skeletal ... and does it contain the information related to Audio also ?&nbsp;</p>",
  "messages": [
    {
      "id": "26579",
      "postDate": "07/02/2013 08:47:30",
      "content": "<p>Hi everybody</p>\r\n<p>I am not able to figure out whats there in skeletal ... and does it contain the information related to Audio also ?&nbsp;</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "26584",
      "postDate": "07/02/2013 12:08:50",
      "content": "<p>Dear Mohit,</p>\r\n<p></p>\r\n<p>After downloading the dataset, find a set of zip files, each corresponding to a video sequence composed of several gestures. Inside the .zip file you will find a .mat extension file. This file contains the the data relative to skeleton for each of the frames\r\n that comprise the video sequence.&nbsp;</p>\r\n<p>The skeletal model information is broken down into the following joints (stored in the same order):</p>\r\n<p></p>\r\n<ol>\r\n<li>HipCenter </li><li>Spine </li><li>ShoulderCenter </li><li>Head </li><li>ShoulderLeft </li><li>ElbowLeft </li><li>WristLeft </li><li>HandLeft </li><li>ShoulderRight </li><li>ElbowRight </li><li>WristRight </li><li>HandRight </li><li>HipLeft </li><li>KneeLeft </li><li>AnkleLeft </li><li>FootLeft </li><li>HipRight </li><li>KneeRight </li><li>AnkleRight </li><li>FootRight </li></ol>\r\n<p>In each of the following joints we can access to the following data:</p>\r\n<p>- Real world coordinates (x,y,z)</p>\r\n<p>- Pixel coordinates (x,y), the image resolution is 640x480</p>\r\n<p>- World rotation, the orientation of each joint respect to the camera, expressed in quaterions (w,x,y,z)</p>\r\n<p>Inside the .zip file we can obtain the audio data in the file with .wav extension. You can get more information about the data in the following link&nbsp;<a href=\"http://gesture.chalearn.org/mmdata\">http://gesture.chalearn.org/mmdata</a></p>\r\n<p>I hope I have been helpful, anyway, feel free to ask any question.</p>\r\n<p>Greetings,</p>\r\n<p></p>\r\n<p>Miguel Reyes Estany</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "26597",
      "postDate": "07/02/2013 16:03:14",
      "content": "<p>Hi&nbsp;<br>\r\nWhen i am running those script Matlab givving Errors&nbsp;</p>\r\n<p>??? Initialization failed. (No combination of intermediate filters could be found<br>\r\nto make the connection.)</p>\r\n<p>Error in ==&gt; VideoReader.VideoReader&gt;VideoReader.init at 423<br>\r\nobj.VideoReaderImpl = audiovideo.mmreader(fullName);</p>\r\n<p>Error in ==&gt; VideoReader.VideoReader&gt;VideoReader.VideoReader at 133<br>\r\nobj.init(fileName);</p>\r\n<p>Error in ==&gt; dataViewer&gt;loadButton_Callback at 192<br>\r\nhandles.colorVid = VideoReader(filenameColor);</p>\r\n<p>Error in ==&gt; gui_mainfcn at 96<br>\r\nfeval(varargin{:});</p>\r\n<p>Error in ==&gt; dataViewer at 42<br>\r\ngui_mainfcn(gui_State, varargin{:});</p>\r\n<p>Error in ==&gt;<br>\r\n@(hObject,eventdata)dataViewer('loadButton_Callback',hObject,eventdata,guidata(hObject))</p>\r\n<p><br>\r\n??? Error while evaluating uicontrol Callback<br>\r\n<br>\r\nI dont know .. How to tackle it ?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "26601",
      "postDate": "07/02/2013 18:01:36",
      "content": "<p>Dear Mohit,</p>\r\n<p></p>\r\n<p>We have checked that in some versions of matlab there are problems to load .mp4 files. I suggest to convert the videos to .avi format or create your own visualizer. Sorry for the inconvenience.</p>\r\n<p>Greetings,</p>\r\n<p></p>\r\n<p>Miguel Reyes Estany&nbsp;</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 26584,
      "author_name": "miguelreyesestany",
      "author_url": "",
      "post_date": "07/02/2013 12:08:50",
      "content": "<p>Dear Mohit,</p>\r\n<p></p>\r\n<p>After downloading the dataset, find a set of zip files, each corresponding to a video sequence composed of several gestures. Inside the .zip file you will find a .mat extension file. This file contains the the data relative to skeleton for each of the frames\r\n that comprise the video sequence.&nbsp;</p>\r\n<p>The skeletal model information is broken down into the following joints (stored in the same order):</p>\r\n<p></p>\r\n<ol>\r\n<li>HipCenter </li><li>Spine </li><li>ShoulderCenter </li><li>Head </li><li>ShoulderLeft </li><li>ElbowLeft </li><li>WristLeft </li><li>HandLeft </li><li>ShoulderRight </li><li>ElbowRight </li><li>WristRight </li><li>HandRight </li><li>HipLeft </li><li>KneeLeft </li><li>AnkleLeft </li><li>FootLeft </li><li>HipRight </li><li>KneeRight </li><li>AnkleRight </li><li>FootRight </li></ol>\r\n<p>In each of the following joints we can access to the following data:</p>\r\n<p>- Real world coordinates (x,y,z)</p>\r\n<p>- Pixel coordinates (x,y), the image resolution is 640x480</p>\r\n<p>- World rotation, the orientation of each joint respect to the camera, expressed in quaterions (w,x,y,z)</p>\r\n<p>Inside the .zip file we can obtain the audio data in the file with .wav extension. You can get more information about the data in the following link&nbsp;<a href=\"http://gesture.chalearn.org/mmdata\">http://gesture.chalearn.org/mmdata</a></p>\r\n<p>I hope I have been helpful, anyway, feel free to ask any question.</p>\r\n<p>Greetings,</p>\r\n<p></p>\r\n<p>Miguel Reyes Estany</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 26597,
      "author_name": "ymohit",
      "author_url": "",
      "post_date": "07/02/2013 16:03:14",
      "content": "<p>Hi&nbsp;<br>\r\nWhen i am running those script Matlab givving Errors&nbsp;</p>\r\n<p>??? Initialization failed. (No combination of intermediate filters could be found<br>\r\nto make the connection.)</p>\r\n<p>Error in ==&gt; VideoReader.VideoReader&gt;VideoReader.init at 423<br>\r\nobj.VideoReaderImpl = audiovideo.mmreader(fullName);</p>\r\n<p>Error in ==&gt; VideoReader.VideoReader&gt;VideoReader.VideoReader at 133<br>\r\nobj.init(fileName);</p>\r\n<p>Error in ==&gt; dataViewer&gt;loadButton_Callback at 192<br>\r\nhandles.colorVid = VideoReader(filenameColor);</p>\r\n<p>Error in ==&gt; gui_mainfcn at 96<br>\r\nfeval(varargin{:});</p>\r\n<p>Error in ==&gt; dataViewer at 42<br>\r\ngui_mainfcn(gui_State, varargin{:});</p>\r\n<p>Error in ==&gt;<br>\r\n@(hObject,eventdata)dataViewer('loadButton_Callback',hObject,eventdata,guidata(hObject))</p>\r\n<p><br>\r\n??? Error while evaluating uicontrol Callback<br>\r\n<br>\r\nI dont know .. How to tackle it ?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 26601,
      "author_name": "miguelreyesestany",
      "author_url": "",
      "post_date": "07/02/2013 18:01:36",
      "content": "<p>Dear Mohit,</p>\r\n<p></p>\r\n<p>We have checked that in some versions of matlab there are problems to load .mp4 files. I suggest to convert the videos to .avi format or create your own visualizer. Sorry for the inconvenience.</p>\r\n<p>Greetings,</p>\r\n<p></p>\r\n<p>Miguel Reyes Estany&nbsp;</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
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    "26584": "",
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}