{
  "id": 141099,
  "title": "Class inconsistency",
  "url": "/competitions/flower-classification-with-tpus/discussion/141099",
  "author_name": "Victor Paslay",
  "post_date": "2020-04-04T17:32:31.159000",
  "votes": 5,
  "comment_count": 0,
  "views": 0,
  "content": "<p>I believe I have found some ambiguity in the classes. Please feel free to correct me if I am wrong. I am talking about the class labels:</p>\n\n<p>1) <strong>Cape flower</strong> is not a species or a set of species.\n<a href=\"https://simple.wikipedia.org/wiki/Cape_flower_region\">According to Wikipedia</a> there is <em>Cape flower region</em> in South Africa with high plant diversity - over 9000 plant species.</p>\n\n<p>2) <strong>fire lily</strong> = <strong>tiger lily</strong> (<em>Lilium bulbiferum</em>) \n<a href=\"https://en.wikipedia.org/wiki/Lilium_bulbiferum\">According to Wikipedia</a> these two labels may point to the same flower. In the same time <a href=\"https://en.wikipedia.org/wiki/Tiger_lily\">\"tiger lily\"</a> may be referred to a set of different species.</p>\n\n<p>3) There is <strong>yellow iris</strong> and just <strong>iris</strong> in the dataset separately which probably makes commonly used <em>softmax</em> output layer feel pain.</p>",
  "messages": [
    {
      "id": 797600,
      "postDate": "2020-04-04T17:32:31.160Z",
      "content": "<p>I believe I have found some ambiguity in the classes. Please feel free to correct me if I am wrong. I am talking about the class labels:</p>\n\n<p>1) <strong>Cape flower</strong> is not a species or a set of species.\n<a href=\"https://simple.wikipedia.org/wiki/Cape_flower_region\">According to Wikipedia</a> there is <em>Cape flower region</em> in South Africa with high plant diversity - over 9000 plant species.</p>\n\n<p>2) <strong>fire lily</strong> = <strong>tiger lily</strong> (<em>Lilium bulbiferum</em>) \n<a href=\"https://en.wikipedia.org/wiki/Lilium_bulbiferum\">According to Wikipedia</a> these two labels may point to the same flower. In the same time <a href=\"https://en.wikipedia.org/wiki/Tiger_lily\">\"tiger lily\"</a> may be referred to a set of different species.</p>\n\n<p>3) There is <strong>yellow iris</strong> and just <strong>iris</strong> in the dataset separately which probably makes commonly used <em>softmax</em> output layer feel pain.</p>",
      "rawMarkdown": "I believe I have found some ambiguity in the classes. Please feel free to correct me if I am wrong. I am talking about the class labels:\n\n1) **Cape flower** is not a species or a set of species.\n[According to Wikipedia](https://simple.wikipedia.org/wiki/Cape_flower_region) there is *Cape flower region* in South Africa with high plant diversity - over 9000 plant species.\n\n2) **fire lily** = **tiger lily** (*Lilium bulbiferum*) \n[According to Wikipedia](https://en.wikipedia.org/wiki/Lilium_bulbiferum) these two labels may point to the same flower. In the same time [\"tiger lily\"](https://en.wikipedia.org/wiki/Tiger_lily) may be referred to a set of different species.\n\n3) There is **yellow iris** and just **iris** in the dataset separately which probably makes commonly used *softmax* output layer feel pain.",
      "votes": 5
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "797600": "I believe I have found some ambiguity in the classes. Please feel free to correct me if I am wrong. I am talking about the class labels:\n\n1) **Cape flower** is not a species or a set of species.\n[According to Wikipedia](https://simple.wikipedia.org/wiki/Cape_flower_region) there is *Cape flower region* in South Africa with high plant diversity - over 9000 plant species.\n\n2) **fire lily** = **tiger lily** (*Lilium bulbiferum*) \n[According to Wikipedia](https://en.wikipedia.org/wiki/Lilium_bulbiferum) these two labels may point to the same flower. In the same time [\"tiger lily\"](https://en.wikipedia.org/wiki/Tiger_lily) may be referred to a set of different species.\n\n3) There is **yellow iris** and just **iris** in the dataset separately which probably makes commonly used *softmax* output layer feel pain."
  }
}