{
  "id": 173902,
  "title": "Why are all pixel numbers  is zero in my training set ?  Please ",
  "url": "/competitions/digit-recognizer/discussion/173902",
  "author_name": "唐凯耕",
  "post_date": "2020-08-11T09:06:33.565000",
  "votes": 0,
  "comment_count": 5,
  "views": null,
  "content": "<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5557344%2Fdddb5789d853c862d86119558f7fb839%2F1597136771(1).jpg?generation=1597136787649422&amp;alt=media\" alt=\"\"></p>",
  "messages": [
    {
      "id": 966330,
      "postDate": "2020-08-11T10:32:31.787Z",
      "content": "<p>Digit dataset's images are black and whites images.Edge of images are white. Digits are at middle of image. if you check middle pixels for example pixel400, You can see values. At dataset pixel, 0 means white and 255 means black.</p>",
      "rawMarkdown": "Digit dataset's images are black and whites images.Edge of images are white. Digits are at middle of image. if you check middle pixels for example pixel400, You can see values. At dataset pixel, 0 means white and 255 means black.",
      "votes": 1,
      "replies": [
        {
          "id": 966495,
          "postDate": "2020-08-11T13:13:35.040Z",
          "content": "<p>thank you , I see</p>",
          "rawMarkdown": "thank you , I see\n"
        }
      ]
    },
    {
      "id": 966297,
      "postDate": "2020-08-11T10:09:56.173Z",
      "content": "<p>They are not all zeros, there are a total 784 pixels in a image.</p>",
      "rawMarkdown": "They are not all zeros, there are a total 784 pixels in a image.",
      "replies": [
        {
          "id": 966498,
          "postDate": "2020-08-11T13:14:08.227Z",
          "content": "<p>thanks for your reply</p>",
          "rawMarkdown": "thanks for your reply"
        },
        {
          "id": 966499,
          "postDate": "2020-08-11T13:14:10.887Z",
          "content": "<p>thanks for your reply</p>",
          "rawMarkdown": "thanks for your reply"
        }
      ]
    },
    {
      "id": 966240,
      "postDate": "2020-08-11T09:06:33.567Z",
      "content": "<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5557344%2Fdddb5789d853c862d86119558f7fb839%2F1597136771(1).jpg?generation=1597136787649422&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5557344%2Fdddb5789d853c862d86119558f7fb839%2F1597136771(1).jpg?generation=1597136787649422&amp;alt=media)"
    }
  ],
  "comments": [
    {
      "id": 966330,
      "author_name": "Berkin Kaplanoğlu",
      "author_url": "",
      "post_date": "2020-08-11T10:32:31.787000",
      "content": "<p>Digit dataset's images are black and whites images.Edge of images are white. Digits are at middle of image. if you check middle pixels for example pixel400, You can see values. At dataset pixel, 0 means white and 255 means black.</p>",
      "votes": 1,
      "replies": [
        {
          "id": 966495,
          "author_name": "唐凯耕",
          "author_url": "",
          "post_date": "2020-08-11T13:13:35.040000",
          "content": "<p>thank you , I see</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 966297,
      "author_name": "Gajendra Saraswat",
      "author_url": "",
      "post_date": "2020-08-11T10:09:56.173000",
      "content": "<p>They are not all zeros, there are a total 784 pixels in a image.</p>",
      "votes": 0,
      "replies": [
        {
          "id": 966498,
          "author_name": "唐凯耕",
          "author_url": "",
          "post_date": "2020-08-11T13:14:08.227000",
          "content": "<p>thanks for your reply</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 966499,
          "author_name": "唐凯耕",
          "author_url": "",
          "post_date": "2020-08-11T13:14:10.887000",
          "content": "<p>thanks for your reply</p>",
          "votes": 0,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "966330": "Digit dataset's images are black and whites images.Edge of images are white. Digits are at middle of image. if you check middle pixels for example pixel400, You can see values. At dataset pixel, 0 means white and 255 means black.",
    "966297": "They are not all zeros, there are a total 784 pixels in a image.",
    "966240": "![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5557344%2Fdddb5789d853c862d86119558f7fb839%2F1597136771(1).jpg?generation=1597136787649422&amp;alt=media)"
  }
}