{
  "id": 1235,
  "title": "Using open source libraries?",
  "url": "/competitions/GestureChallenge/discussion/1235",
  "author_name": "",
  "post_date": "2012-01-08T17:50:17.150Z",
  "votes": null,
  "comment_count": 4,
  "views": 2595,
  "content": "<p>Are we allowed to use opensource libraries such as opencv?</p>\r\n<p>Thanks!</p>",
  "messages": [
    {
      "id": "7766",
      "postDate": "01/08/2012 17:50:17",
      "content": "<p>Are we allowed to use opensource libraries such as opencv?</p>\r\n<p>Thanks!</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "7795",
      "postDate": "01/09/2012 07:33:05",
      "content": "<p>Yes, you are allowed to use third party software. Make sure that you have the legal right to use these libraries. Note that if you are interested in licensing your code to Microsoft if you win, novelty/originality of your algorithm will be taken into account\r\n for eligibility and&nbsp;and Microsoft will need to be allowed to license all third party software you use.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "7800",
      "postDate": "01/09/2012 09:59:45",
      "content": "<p>I am not expert in licenses, but&nbsp;OpenCV is distributed under <a href=\"http://en.wikipedia.org/wiki/BSD_licenses\">\r\nBSD license</a>.</p>\r\n<p>BSD licenses are permissive and Microsoft should be allowed to license them. Is that right?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "7801",
      "postDate": "01/09/2012 13:35:29",
      "content": "<p>[quote=Ali Hassaïne;7800]</p>\r\n<p>I am not expert in licenses, but&nbsp;OpenCV is distributed under <a href=\"http://en.wikipedia.org/wiki/BSD_licenses\">\r\nBSD license</a>.</p>\r\n<p>BSD licenses are permissive and Microsoft should be allowed to license them. Is that right?</p>\r\n<p>[/quote]</p>\r\n<p>The only thing Microsoft might not be able to license is GPL software.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "8116",
      "postDate": "01/16/2012 06:18:22",
      "content": "<p>I understand that while OpenCV is BSD, certain parts of it are patented to different people, see for example:</p>\r\n<p><a href=\"http://opencv-users.1802565.n2.nabble.com/SURF-protected-by-patent-td3458734.html\">http://opencv-users.1802565.n2.nabble.com/SURF-protected-by-patent-td3458734.html</a></p>\r\n<p>&nbsp;</p>\r\n<p>So, would we be able to use say SIFT/SURF features (which are patented) for the competition?</p>\r\n<p>I am also not clear on what the status of STIP features would be as it is suggested on their website that they are based on a patented technology (SIFT):</p>\r\n<p><span>&quot;Our local descriptors concatenate several histograms from a space-time grid defined on the patch and generalize&nbsp;</span><span class=\"x_bodyText x_style4\"><a class=\"x_style1\" href=\"http://www.cs.ubc.ca/~lowe/keypoints/\">SIFT descriptor</a></span><span>&nbsp;to\r\n space-time&quot;</span></p>\r\n<p>If someone can clarify these issues that would be great.</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 7795,
      "author_name": "iguyon",
      "author_url": "",
      "post_date": "01/09/2012 07:33:05",
      "content": "<p>Yes, you are allowed to use third party software. Make sure that you have the legal right to use these libraries. Note that if you are interested in licensing your code to Microsoft if you win, novelty/originality of your algorithm will be taken into account\r\n for eligibility and&nbsp;and Microsoft will need to be allowed to license all third party software you use.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 7800,
      "author_name": "ahassaine",
      "author_url": "",
      "post_date": "01/09/2012 09:59:45",
      "content": "<p>I am not expert in licenses, but&nbsp;OpenCV is distributed under <a href=\"http://en.wikipedia.org/wiki/BSD_licenses\">\r\nBSD license</a>.</p>\r\n<p>BSD licenses are permissive and Microsoft should be allowed to license them. Is that right?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 7801,
      "author_name": "solorzano",
      "author_url": "",
      "post_date": "01/09/2012 13:35:29",
      "content": "<p>[quote=Ali Hassaïne;7800]</p>\r\n<p>I am not expert in licenses, but&nbsp;OpenCV is distributed under <a href=\"http://en.wikipedia.org/wiki/BSD_licenses\">\r\nBSD license</a>.</p>\r\n<p>BSD licenses are permissive and Microsoft should be allowed to license them. Is that right?</p>\r\n<p>[/quote]</p>\r\n<p>The only thing Microsoft might not be able to license is GPL software.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 8116,
      "author_name": "aviruderman",
      "author_url": "",
      "post_date": "01/16/2012 06:18:22",
      "content": "<p>I understand that while OpenCV is BSD, certain parts of it are patented to different people, see for example:</p>\r\n<p><a href=\"http://opencv-users.1802565.n2.nabble.com/SURF-protected-by-patent-td3458734.html\">http://opencv-users.1802565.n2.nabble.com/SURF-protected-by-patent-td3458734.html</a></p>\r\n<p>&nbsp;</p>\r\n<p>So, would we be able to use say SIFT/SURF features (which are patented) for the competition?</p>\r\n<p>I am also not clear on what the status of STIP features would be as it is suggested on their website that they are based on a patented technology (SIFT):</p>\r\n<p><span>&quot;Our local descriptors concatenate several histograms from a space-time grid defined on the patch and generalize&nbsp;</span><span class=\"x_bodyText x_style4\"><a class=\"x_style1\" href=\"http://www.cs.ubc.ca/~lowe/keypoints/\">SIFT descriptor</a></span><span>&nbsp;to\r\n space-time&quot;</span></p>\r\n<p>If someone can clarify these issues that would be great.</p>",
      "votes": null,
      "replies": []
    }
  ],
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