{
  "id": 77071,
  "title": "I want to confirm a thing that every id means an individual species.",
  "url": "/competitions/humpback-whale-identification/discussion/77071",
  "author_name": "",
  "post_date": "2019-01-09T07:33:22.447596300Z",
  "votes": 1,
  "comment_count": 6,
  "views": 0,
  "content": "<p>What bugs me is if every id means an individual species.\nIf it means that, I want to know why they have so many types.</p>\n\n<p>My thought is every id represents a whale, not a species, just like different people. \nAnd new_whale represents whales that we haven't name it or give it an id.\nnew_whale should include not just one whale and they are all different from the whale that have an individual id.</p>\n\n<p>If I'm wrong, please let me know.</p>",
  "messages": [
    {
      "id": "452814",
      "postDate": "01/09/2019 07:33:22",
      "content": "<p>What bugs me is if every id means an individual species.\nIf it means that, I want to know why they have so many types.</p>\n\n<p>My thought is every id represents a whale, not a species, just like different people. \nAnd new_whale represents whales that we haven't name it or give it an id.\nnew_whale should include not just one whale and they are all different from the whale that have an individual id.</p>\n\n<p>If I'm wrong, please let me know.</p>",
      "rawMarkdown": "What bugs me is if every id means an individual species.\nIf it means that, I want to know why they have so many types.\n\nMy thought is every id represents a whale, not a species, just like different people. \nAnd new_whale represents whales that we haven't name it or give it an id.\nnew_whale should include not just one whale and they are all different from the whale that have an individual id.\n\nIf I'm wrong, please let me know.",
      "votes": null
    },
    {
      "id": "452897",
      "postDate": "01/09/2019 10:27:11",
      "content": "<p>You are correct. The Id is for different whales like each one of us have different IDs. It has nothing to do with the species. IMO, they all belong to same species of whale( I may be wrong about this). <br>\nNew whale class is just to denote that the given whale has not been assigned any ID. This might include all different whale or even some sightings of the same whale.</p>",
      "rawMarkdown": "You are correct. The Id is for different whales like each one of us have different IDs. It has nothing to do with the species. IMO, they all belong to same species of whale( I may be wrong about this). <br>\nNew whale class is just to denote that the given whale has not been assigned any ID. This might include all different whale or even some sightings of the same whale.",
      "votes": null
    },
    {
      "id": "452947",
      "postDate": "01/09/2019 11:49:57",
      "content": "<p>thank you!</p>",
      "rawMarkdown": "thank you!",
      "votes": null
    },
    {
      "id": "452950",
      "postDate": "01/09/2019 11:54:44",
      "content": "<p>There are 5005 classes (different species of whales) [5004 + new_whale: unlabelled]. Each <code>Id</code> represents a different whale. These <code>Id</code> belong to a specific class. Majority of them are of class <code>new_whale</code> and many classes have less than 3 images. Also <code>new_whale</code> can include many other species of whales but we don't know about them so they are unlabelled but that's not the concern for users. I hope I have clarified .</p>",
      "rawMarkdown": "There are 5005 classes (different species of whales) [5004 + new_whale: unlabelled]. Each `Id` represents a different whale. These `Id` belong to a specific class. Majority of them are of class `new_whale` and many classes have less than 3 images. Also `new_whale` can include many other species of whales but we don't know about them so they are unlabelled but that's not the concern for users. I hope I have clarified .",
      "votes": null
    },
    {
      "id": "453103",
      "postDate": "01/09/2019 17:09:26",
      "content": "<p>From the data tab: \"This training data contains thousands of images of humpback whale (<a href=\"https://en.wikipedia.org/wiki/Humpback_whale\">https://en.wikipedia.org/wiki/Humpback_whale</a>) flukes. Individual whales have been identified by researchers and given an Id. The challenge is to predict the whale Id of images in the test set.\"</p>",
      "rawMarkdown": "From the data tab: \"This training data contains thousands of images of humpback whale (https://en.wikipedia.org/wiki/Humpback_whale) flukes. Individual whales have been identified by researchers and given an Id. The challenge is to predict the whale Id of images in the test set.\"",
      "votes": null
    },
    {
      "id": "453618",
      "postDate": "01/10/2019 13:41:04",
      "content": "<p>thank you, Giba.</p>",
      "rawMarkdown": "thank you, Giba.",
      "votes": null
    },
    {
      "id": "454737",
      "postDate": "01/12/2019 05:44:25",
      "content": "<p>I believe all the images of tails we are given in the Humpback Whale Identification challenge are intended to be images of humpback whale tails. So you are correct, the Id's should belong to unique individuals. I can't say for a certainty that no Minke whales or large dolphins have sneaked in, but it should not matter as long as the labels are consistent. </p>\n\n<p>I guess its like facial recognition, the question is have you seen this whale before, if so what is his name--but instead of faces we have tails...</p>",
      "rawMarkdown": "I believe all the images of tails we are given in the Humpback Whale Identification challenge are intended to be images of humpback whale tails. So you are correct, the Id's should belong to unique individuals. I can't say for a certainty that no Minke whales or large dolphins have sneaked in, but it should not matter as long as the labels are consistent. \n\nI guess its like facial recognition, the question is have you seen this whale before, if so what is his name--but instead of faces we have tails...",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 452897,
      "author_name": "dungeonmaster081",
      "author_url": "",
      "post_date": "01/09/2019 10:27:11",
      "content": "<p>You are correct. The Id is for different whales like each one of us have different IDs. It has nothing to do with the species. IMO, they all belong to same species of whale( I may be wrong about this). <br>\nNew whale class is just to denote that the given whale has not been assigned any ID. This might include all different whale or even some sightings of the same whale.</p>",
      "votes": null,
      "replies": [
        {
          "id": 452947,
          "author_name": "wanghanlinfighter",
          "author_url": "",
          "post_date": "01/09/2019 11:49:57",
          "content": "<p>thank you!</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 452950,
      "author_name": "prajjwal",
      "author_url": "",
      "post_date": "01/09/2019 11:54:44",
      "content": "<p>There are 5005 classes (different species of whales) [5004 + new_whale: unlabelled]. Each <code>Id</code> represents a different whale. These <code>Id</code> belong to a specific class. Majority of them are of class <code>new_whale</code> and many classes have less than 3 images. Also <code>new_whale</code> can include many other species of whales but we don't know about them so they are unlabelled but that's not the concern for users. I hope I have clarified .</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 453103,
      "author_name": "titericz",
      "author_url": "",
      "post_date": "01/09/2019 17:09:26",
      "content": "<p>From the data tab: \"This training data contains thousands of images of humpback whale (<a href=\"https://en.wikipedia.org/wiki/Humpback_whale\">https://en.wikipedia.org/wiki/Humpback_whale</a>) flukes. Individual whales have been identified by researchers and given an Id. The challenge is to predict the whale Id of images in the test set.\"</p>",
      "votes": null,
      "replies": [
        {
          "id": 453618,
          "author_name": "wanghanlinfighter",
          "author_url": "",
          "post_date": "01/10/2019 13:41:04",
          "content": "<p>thank you, Giba.</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 454737,
      "author_name": "interneuron",
      "author_url": "",
      "post_date": "01/12/2019 05:44:25",
      "content": "<p>I believe all the images of tails we are given in the Humpback Whale Identification challenge are intended to be images of humpback whale tails. So you are correct, the Id's should belong to unique individuals. I can't say for a certainty that no Minke whales or large dolphins have sneaked in, but it should not matter as long as the labels are consistent. </p>\n\n<p>I guess its like facial recognition, the question is have you seen this whale before, if so what is his name--but instead of faces we have tails...</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "452814": "What bugs me is if every id means an individual species.\nIf it means that, I want to know why they have so many types.\n\nMy thought is every id represents a whale, not a species, just like different people. \nAnd new_whale represents whales that we haven't name it or give it an id.\nnew_whale should include not just one whale and they are all different from the whale that have an individual id.\n\nIf I'm wrong, please let me know.",
    "452897": "You are correct. The Id is for different whales like each one of us have different IDs. It has nothing to do with the species. IMO, they all belong to same species of whale( I may be wrong about this). <br>\nNew whale class is just to denote that the given whale has not been assigned any ID. This might include all different whale or even some sightings of the same whale.",
    "452947": "thank you!",
    "452950": "There are 5005 classes (different species of whales) [5004 + new_whale: unlabelled]. Each `Id` represents a different whale. These `Id` belong to a specific class. Majority of them are of class `new_whale` and many classes have less than 3 images. Also `new_whale` can include many other species of whales but we don't know about them so they are unlabelled but that's not the concern for users. I hope I have clarified .",
    "453103": "From the data tab: \"This training data contains thousands of images of humpback whale (https://en.wikipedia.org/wiki/Humpback_whale) flukes. Individual whales have been identified by researchers and given an Id. The challenge is to predict the whale Id of images in the test set.\"",
    "453618": "thank you, Giba.",
    "454737": "I believe all the images of tails we are given in the Humpback Whale Identification challenge are intended to be images of humpback whale tails. So you are correct, the Id's should belong to unique individuals. I can't say for a certainty that no Minke whales or large dolphins have sneaked in, but it should not matter as long as the labels are consistent. \n\nI guess its like facial recognition, the question is have you seen this whale before, if so what is his name--but instead of faces we have tails..."
  },
  "source": "meta"
}