{
  "id": 670533,
  "title": "About black images in train set.",
  "url": "/competitions/beyond-visible-spectrum-ai-for-agriculture-2026/discussion/670533",
  "author_name": "",
  "post_date": "2026-01-28T13:14:50.314421700Z",
  "votes": 2,
  "comment_count": 3,
  "views": 0,
  "content": "<p>We encoutered some totally black images inside your given train dataset. In </p>\n<ul>\n<li>RGB:\nOther_hyper_50.png\nHealth_hyper_67.png\nOther_hyper_122.png\nHealth_hyper_167.png\nOther_hyper_31.png\nHealth_hyper_26.png\nOther_hyper_102.png\nOther_hyper_160.png\nOther_hyper_155.png\nHealth_hyper_34.png\nOther_hyper_64.png\nOther_hyper_149.png\nHealth_hyper_76.png\nOther_hyper_22.png\nOther_hyper_174.png\nOther_hyper_113.png\nOther_hyper_121.png\nHealth_hyper_23.png\nHealth_hyper_153.png\nHealth_hyper_12.png\nOther_hyper_26.png\nHealth_hyper_38.png\nOther_hyper_163.png</li>\n<li>MS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif</li>\n<li>HS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif</li>\n</ul>\n<p>How should we treat those black images?</p>",
  "messages": [
    {
      "id": "3398025",
      "postDate": "01/28/2026 13:14:50",
      "content": "<p>We encoutered some totally black images inside your given train dataset. In </p>\n<ul>\n<li>RGB:\nOther_hyper_50.png\nHealth_hyper_67.png\nOther_hyper_122.png\nHealth_hyper_167.png\nOther_hyper_31.png\nHealth_hyper_26.png\nOther_hyper_102.png\nOther_hyper_160.png\nOther_hyper_155.png\nHealth_hyper_34.png\nOther_hyper_64.png\nOther_hyper_149.png\nHealth_hyper_76.png\nOther_hyper_22.png\nOther_hyper_174.png\nOther_hyper_113.png\nOther_hyper_121.png\nHealth_hyper_23.png\nHealth_hyper_153.png\nHealth_hyper_12.png\nOther_hyper_26.png\nHealth_hyper_38.png\nOther_hyper_163.png</li>\n<li>MS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif</li>\n<li>HS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif</li>\n</ul>\n<p>How should we treat those black images?</p>",
      "rawMarkdown": "We encoutered some totally black images inside your given train dataset. In \n- RGB:\nOther_hyper_50.png\nHealth_hyper_67.png\nOther_hyper_122.png\nHealth_hyper_167.png\nOther_hyper_31.png\nHealth_hyper_26.png\nOther_hyper_102.png\nOther_hyper_160.png\nOther_hyper_155.png\nHealth_hyper_34.png\nOther_hyper_64.png\nOther_hyper_149.png\nHealth_hyper_76.png\nOther_hyper_22.png\nOther_hyper_174.png\nOther_hyper_113.png\nOther_hyper_121.png\nHealth_hyper_23.png\nHealth_hyper_153.png\nHealth_hyper_12.png\nOther_hyper_26.png\nHealth_hyper_38.png\nOther_hyper_163.png\n- MS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif\n- HS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif\n\nHow should we treat those black images?",
      "votes": null
    },
    {
      "id": "3398027",
      "postDate": "01/28/2026 13:19:51",
      "content": "<p>You can ignore the black images</p>",
      "rawMarkdown": "You can ignore the black images",
      "votes": null
    },
    {
      "id": "3398994",
      "postDate": "01/30/2026 02:59:04",
      "content": "<p>谢谢你的讨论，我一直以为只有rgb才存在全黑图像。我现在就去排查</p>",
      "rawMarkdown": "谢谢你的讨论，我一直以为只有rgb才存在全黑图像。我现在就去排查",
      "votes": null
    },
    {
      "id": "3398995",
      "postDate": "01/30/2026 03:00:00",
      "content": "<p>Does the final test image also include all black?</p>",
      "rawMarkdown": "Does the final test image also include all black?",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 3398027,
      "author_name": "robeson",
      "author_url": "",
      "post_date": "01/28/2026 13:19:51",
      "content": "<p>You can ignore the black images</p>",
      "votes": null,
      "replies": [
        {
          "id": 3398995,
          "author_name": "xishengfeng",
          "author_url": "",
          "post_date": "01/30/2026 03:00:00",
          "content": "<p>Does the final test image also include all black?</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 3398994,
      "author_name": "xishengfeng",
      "author_url": "",
      "post_date": "01/30/2026 02:59:04",
      "content": "<p>谢谢你的讨论，我一直以为只有rgb才存在全黑图像。我现在就去排查</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3398025": "We encoutered some totally black images inside your given train dataset. In \n- RGB:\nOther_hyper_50.png\nHealth_hyper_67.png\nOther_hyper_122.png\nHealth_hyper_167.png\nOther_hyper_31.png\nHealth_hyper_26.png\nOther_hyper_102.png\nOther_hyper_160.png\nOther_hyper_155.png\nHealth_hyper_34.png\nOther_hyper_64.png\nOther_hyper_149.png\nHealth_hyper_76.png\nOther_hyper_22.png\nOther_hyper_174.png\nOther_hyper_113.png\nOther_hyper_121.png\nHealth_hyper_23.png\nHealth_hyper_153.png\nHealth_hyper_12.png\nOther_hyper_26.png\nHealth_hyper_38.png\nOther_hyper_163.png\n- MS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif\n- HS:\nHealth_hyper_167.tif\nHealth_hyper_26.tif\nOther_hyper_22.tif\nHealth_hyper_12.tif\nHealth_hyper_23.tif\nOther_hyper_149.tif\nHealth_hyper_76.tif\nHealth_hyper_38.tif\nOther_hyper_174.tif\nHealth_hyper_34.tif\nOther_hyper_122.tif\nHealth_hyper_153.tif\nOther_hyper_113.tif\nOther_hyper_121.tif\nOther_hyper_64.tif\nOther_hyper_163.tif\nHealth_hyper_67.tif\nOther_hyper_102.tif\nOther_hyper_31.tif\nOther_hyper_155.tif\nOther_hyper_50.tif\nOther_hyper_26.tif\nOther_hyper_160.tif\n\nHow should we treat those black images?",
    "3398027": "You can ignore the black images",
    "3398994": "谢谢你的讨论，我一直以为只有rgb才存在全黑图像。我现在就去排查",
    "3398995": "Does the final test image also include all black?"
  },
  "source": "meta"
}