{
  "id": 316036,
  "title": "Misidentification of individuals",
  "url": "/competitions/happy-whale-and-dolphin/discussion/316036",
  "author_name": "",
  "post_date": "2022-03-31T00:22:57.169778400Z",
  "votes": 4,
  "comment_count": 1,
  "views": 0,
  "content": "<p>It appears that individual_id: 33dfa6052821 and 79fe61c84d86 are the same whale, but have been mis-identified.</p>\n<p>It also appears that individual_id: 1b589cc6179d and fc5088954f84 are also the same whale.</p>\n<p>These issues probably won't affect the LB's as I don't see a similar image in test_images, but I wanted to raise the issue, so that the competition organizers can fix this and prevent other occurrences from happening in the future.</p>\n<p>If you want to take a further look on this subject, check out my lazily put together notebook called \"PotentialDuplicates\".<br>\n<a href=\"https://www.kaggle.com/code/dentistdad/potentialduplicates\" target=\"_blank\">https://www.kaggle.com/code/dentistdad/potentialduplicates</a></p>",
  "messages": [
    {
      "id": "1740443",
      "postDate": "03/31/2022 00:22:57",
      "content": "<p>It appears that individual_id: 33dfa6052821 and 79fe61c84d86 are the same whale, but have been mis-identified.</p>\n<p>It also appears that individual_id: 1b589cc6179d and fc5088954f84 are also the same whale.</p>\n<p>These issues probably won't affect the LB's as I don't see a similar image in test_images, but I wanted to raise the issue, so that the competition organizers can fix this and prevent other occurrences from happening in the future.</p>\n<p>If you want to take a further look on this subject, check out my lazily put together notebook called \"PotentialDuplicates\".<br>\n<a href=\"https://www.kaggle.com/code/dentistdad/potentialduplicates\" target=\"_blank\">https://www.kaggle.com/code/dentistdad/potentialduplicates</a></p>",
      "rawMarkdown": "It appears that individual_id: 33dfa6052821 and 79fe61c84d86 are the same whale, but have been mis-identified.\n\nIt also appears that individual_id: 1b589cc6179d and fc5088954f84 are also the same whale.\n\nThese issues probably won't affect the LB's as I don't see a similar image in test_images, but I wanted to raise the issue, so that the competition organizers can fix this and prevent other occurrences from happening in the future.\n\nIf you want to take a further look on this subject, check out my lazily put together notebook called \"PotentialDuplicates\".\nhttps://www.kaggle.com/code/dentistdad/potentialduplicates",
      "votes": null
    },
    {
      "id": "1740468",
      "postDate": "03/31/2022 01:06:21",
      "content": "<p>Quite true there are errors in the dataset, some honest mistakes and some from the limitations of human matching… with the previous competition (<a href=\"https://www.kaggle.com/c/humpback-whale-identification)\" target=\"_blank\">https://www.kaggle.com/c/humpback-whale-identification)</a>, once the resulting implemented algorithm was applied to the dataset, we were able to find matches that sat in reference catalogs undiscovered for decades. We hope and believe based on the scores being posted that as you say this probably is not an issue for scores since with the competition open, we are not changing the dataset.</p>",
      "rawMarkdown": "Quite true there are errors in the dataset, some honest mistakes and some from the limitations of human matching... with the previous competition (https://www.kaggle.com/c/humpback-whale-identification), once the resulting implemented algorithm was applied to the dataset, we were able to find matches that sat in reference catalogs undiscovered for decades. We hope and believe based on the scores being posted that as you say this probably is not an issue for scores since with the competition open, we are not changing the dataset.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1740468,
      "author_name": "tedcheese",
      "author_url": "",
      "post_date": "03/31/2022 01:06:21",
      "content": "<p>Quite true there are errors in the dataset, some honest mistakes and some from the limitations of human matching… with the previous competition (<a href=\"https://www.kaggle.com/c/humpback-whale-identification)\" target=\"_blank\">https://www.kaggle.com/c/humpback-whale-identification)</a>, once the resulting implemented algorithm was applied to the dataset, we were able to find matches that sat in reference catalogs undiscovered for decades. We hope and believe based on the scores being posted that as you say this probably is not an issue for scores since with the competition open, we are not changing the dataset.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1740443": "It appears that individual_id: 33dfa6052821 and 79fe61c84d86 are the same whale, but have been mis-identified.\n\nIt also appears that individual_id: 1b589cc6179d and fc5088954f84 are also the same whale.\n\nThese issues probably won't affect the LB's as I don't see a similar image in test_images, but I wanted to raise the issue, so that the competition organizers can fix this and prevent other occurrences from happening in the future.\n\nIf you want to take a further look on this subject, check out my lazily put together notebook called \"PotentialDuplicates\".\nhttps://www.kaggle.com/code/dentistdad/potentialduplicates",
    "1740468": "Quite true there are errors in the dataset, some honest mistakes and some from the limitations of human matching... with the previous competition (https://www.kaggle.com/c/humpback-whale-identification), once the resulting implemented algorithm was applied to the dataset, we were able to find matches that sat in reference catalogs undiscovered for decades. We hope and believe based on the scores being posted that as you say this probably is not an issue for scores since with the competition open, we are not changing the dataset."
  },
  "source": "meta"
}