{
  "id": 278801,
  "title": "🦠Broken masks?",
  "url": "/competitions/sartorius-cell-instance-segmentation/discussion/278801",
  "author_name": "Yaroslav Isaienkov",
  "post_date": "2021-10-15T17:46:45.504000",
  "votes": 37,
  "comment_count": 6,
  "views": 0,
  "content": "<p>Does anyone know what happened with some of the masks like in the example below (ex: blue in the top left corner)? <br>\nWhy do some have <strong>holes</strong>?</p>\n<p><a href=\"https://www.kaggle.com/ihelon/cell-segmentation-run-length-decoding\" target=\"_blank\">Code to reproduce</a></p>\n<p><img src=\"https://i.imgur.com/VV2RQiT.png\" alt=\"\"></p>",
  "messages": [
    {
      "id": 1545929,
      "postDate": "2021-10-15T17:46:45.503Z",
      "content": "<p>Does anyone know what happened with some of the masks like in the example below (ex: blue in the top left corner)? <br>\nWhy do some have <strong>holes</strong>?</p>\n<p><a href=\"https://www.kaggle.com/ihelon/cell-segmentation-run-length-decoding\" target=\"_blank\">Code to reproduce</a></p>\n<p><img src=\"https://i.imgur.com/VV2RQiT.png\" alt=\"\"></p>",
      "rawMarkdown": "Does anyone know what happened with some of the masks like in the example below (ex: blue in the top left corner)? \nWhy do some have **holes**?\n\n[Code to reproduce](https://www.kaggle.com/ihelon/cell-segmentation-run-length-decoding)\n\n![](https://i.imgur.com/VV2RQiT.png)",
      "votes": 37
    },
    {
      "id": 1546813,
      "postDate": "2021-10-16T14:34:48.703Z",
      "content": "<p>I do believe its some kind of labeling error. <br>\nyou can easily fix this with scipy.ndimage.morphology.binary_fill_holes</p>",
      "rawMarkdown": "I do believe its some kind of labeling error. \nyou can easily fix this with scipy.ndimage.morphology.binary_fill_holes",
      "votes": 6,
      "replies": [
        {
          "id": 1546981,
          "postDate": "2021-10-16T16:02:03.913Z",
          "content": "<p>The question is: if the test data has the same gaps which affects scoring.</p>",
          "rawMarkdown": "The question is: if the test data has the same gaps which affects scoring.",
          "votes": 5
        },
        {
          "id": 1547106,
          "postDate": "2021-10-16T17:09:58.797Z",
          "content": "<p>The annotation quality in itself is quite poor at this point.<br>\nMaybe we will get some new and corrected masks later in the challenge.<br>\nIf you take a look at the blue top left neuron, the additional area under the neuron is way worse than the small missing parts above. Maybe they had some conversion issues?</p>",
          "rawMarkdown": "The annotation quality in itself is quite poor at this point.\nMaybe we will get some new and corrected masks later in the challenge.\nIf you take a look at the blue top left neuron, the additional area under the neuron is way worse than the small missing parts above. Maybe they had some conversion issues?",
          "votes": 5
        }
      ]
    },
    {
      "id": 1548952,
      "postDate": "2021-10-18T16:51:38.110Z",
      "content": "<p>probable explanation : <a href=\"https://www.kaggle.com/c/sartorius-cell-instance-segmentation/discussion/279488\" target=\"_blank\">https://www.kaggle.com/c/sartorius-cell-instance-segmentation/discussion/279488</a></p>",
      "rawMarkdown": "probable explanation : https://www.kaggle.com/c/sartorius-cell-instance-segmentation/discussion/279488",
      "votes": 2
    },
    {
      "id": 1547226,
      "postDate": "2021-10-16T22:42:47.647Z",
      "content": "<p>And we have so similar pattern for missing parts inside objects. It misses only in the top border part of the figures.</p>",
      "rawMarkdown": "And we have so similar pattern for missing parts inside objects. It misses only in the top border part of the figures."
    },
    {
      "id": 1550683,
      "postDate": "2021-10-19T23:26:20.697Z",
      "rawMarkdown": "",
      "votes": -2,
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 1546813,
      "author_name": "Philipp Sodmann",
      "author_url": "",
      "post_date": "2021-10-16T14:34:48.703000",
      "content": "<p>I do believe its some kind of labeling error. <br>\nyou can easily fix this with scipy.ndimage.morphology.binary_fill_holes</p>",
      "votes": 6,
      "replies": [
        {
          "id": 1546981,
          "author_name": "Valentin Nikotin",
          "author_url": "",
          "post_date": "2021-10-16T16:02:03.913000",
          "content": "<p>The question is: if the test data has the same gaps which affects scoring.</p>",
          "votes": 5,
          "replies": []
        },
        {
          "id": 1547106,
          "author_name": "Philipp Sodmann",
          "author_url": "",
          "post_date": "2021-10-16T17:09:58.797000",
          "content": "<p>The annotation quality in itself is quite poor at this point.<br>\nMaybe we will get some new and corrected masks later in the challenge.<br>\nIf you take a look at the blue top left neuron, the additional area under the neuron is way worse than the small missing parts above. Maybe they had some conversion issues?</p>",
          "votes": 5,
          "replies": []
        }
      ]
    },
    {
      "id": 1548952,
      "author_name": "Gleb",
      "author_url": "",
      "post_date": "2021-10-18T16:51:38.110000",
      "content": "<p>probable explanation : <a href=\"https://www.kaggle.com/c/sartorius-cell-instance-segmentation/discussion/279488\" target=\"_blank\">https://www.kaggle.com/c/sartorius-cell-instance-segmentation/discussion/279488</a></p>",
      "votes": 2,
      "replies": []
    },
    {
      "id": 1547226,
      "author_name": "Yaroslav Isaienkov",
      "author_url": "",
      "post_date": "2021-10-16T22:42:47.647000",
      "content": "<p>And we have so similar pattern for missing parts inside objects. It misses only in the top border part of the figures.</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 1550683,
      "author_name": "",
      "author_url": "",
      "post_date": "2021-10-19T23:26:20.697000",
      "content": "",
      "votes": -2,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1545929": "Does anyone know what happened with some of the masks like in the example below (ex: blue in the top left corner)? \nWhy do some have **holes**?\n\n[Code to reproduce](https://www.kaggle.com/ihelon/cell-segmentation-run-length-decoding)\n\n![](https://i.imgur.com/VV2RQiT.png)",
    "1546813": "I do believe its some kind of labeling error. \nyou can easily fix this with scipy.ndimage.morphology.binary_fill_holes",
    "1548952": "probable explanation : https://www.kaggle.com/c/sartorius-cell-instance-segmentation/discussion/279488",
    "1547226": "And we have so similar pattern for missing parts inside objects. It misses only in the top border part of the figures.",
    "1550683": ""
  }
}