{
  "id": 21896,
  "title": "Pre-Computed Image dHashes",
  "url": "/competitions/avito-duplicate-ads-detection/discussion/21896",
  "author_name": "yilisg",
  "post_date": "2016-06-26T16:16:46.193000",
  "votes": 28,
  "comment_count": 5,
  "views": 1185,
  "content": "<p>I haven't had the time to work on them, except looking at a few of the hashes and seem to pick up similar images well (i.e. very small hamming distance for certain identical photos with and without a watermark).</p>\n\n<p>Could be helpful for people with slower internet (the zipped hashes are about 350mb, which is still better than 50gb+ of raw images).</p>\n\n<p><strong>Upvote if you find them useful.</strong> Thanks and good luck!</p>",
  "messages": [
    {
      "id": 125131,
      "postDate": "2016-06-26T16:16:46.193Z",
      "content": "<p>I haven't had the time to work on them, except looking at a few of the hashes and seem to pick up similar images well (i.e. very small hamming distance for certain identical photos with and without a watermark).</p>\n\n<p>Could be helpful for people with slower internet (the zipped hashes are about 350mb, which is still better than 50gb+ of raw images).</p>\n\n<p><strong>Upvote if you find them useful.</strong> Thanks and good luck!</p>",
      "rawMarkdown": "I haven't had the time to work on them, except looking at a few of the hashes and seem to pick up similar images well (i.e. very small hamming distance for certain identical photos with and without a watermark).\r\n\r\nCould be helpful for people with slower internet (the zipped hashes are about 350mb, which is still better than 50gb+ of raw images).\r\n\r\n**Upvote if you find them useful.** Thanks and good luck!",
      "votes": 28
    },
    {
      "id": 125132,
      "postDate": "2016-06-26T16:18:51.790Z",
      "content": "<p>The other files here.</p>",
      "rawMarkdown": "The other files here.",
      "votes": 12
    },
    {
      "id": 125784,
      "postDate": "2016-07-02T14:18:43.887Z",
      "content": "<p>Yes</p>",
      "rawMarkdown": "Yes"
    },
    {
      "id": 125782,
      "postDate": "2016-07-02T14:16:54.437Z",
      "content": "<p>Are you using <em>dhash</em> algorithm to compute these?</p>",
      "rawMarkdown": "Are you using *dhash* algorithm to compute these?"
    },
    {
      "id": 125951,
      "postDate": "2016-07-04T22:33:59.660Z",
      "rawMarkdown": "",
      "isDeleted": true
    },
    {
      "id": 125158,
      "postDate": "2016-06-27T00:26:28.677Z",
      "content": "<p>great. Thanks for sharing.</p>",
      "rawMarkdown": "great. Thanks for sharing."
    }
  ],
  "comments": [
    {
      "id": 125132,
      "author_name": "yilisg",
      "author_url": "",
      "post_date": "2016-06-26T16:18:51.790000",
      "content": "<p>The other files here.</p>",
      "votes": 12,
      "replies": []
    },
    {
      "id": 125784,
      "author_name": "yilisg",
      "author_url": "",
      "post_date": "2016-07-02T14:18:43.887000",
      "content": "<p>Yes</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 125782,
      "author_name": "AmanGill",
      "author_url": "",
      "post_date": "2016-07-02T14:16:54.437000",
      "content": "<p>Are you using <em>dhash</em> algorithm to compute these?</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 125951,
      "author_name": "",
      "author_url": "",
      "post_date": "2016-07-04T22:33:59.660000",
      "content": "",
      "votes": 0,
      "replies": []
    },
    {
      "id": 125158,
      "author_name": "Vinh Nguyen",
      "author_url": "",
      "post_date": "2016-06-27T00:26:28.677000",
      "content": "<p>great. Thanks for sharing.</p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "125131": "I haven't had the time to work on them, except looking at a few of the hashes and seem to pick up similar images well (i.e. very small hamming distance for certain identical photos with and without a watermark).\r\n\r\nCould be helpful for people with slower internet (the zipped hashes are about 350mb, which is still better than 50gb+ of raw images).\r\n\r\n**Upvote if you find them useful.** Thanks and good luck!",
    "125132": "The other files here.",
    "125784": "Yes",
    "125782": "Are you using *dhash* algorithm to compute these?",
    "125951": "",
    "125158": "great. Thanks for sharing."
  }
}