{
  "id": 349147,
  "title": "Crop 2 pre-processing of the input",
  "url": "/competitions/ai-village-ctf/discussion/349147",
  "author_name": "",
  "post_date": "2022-08-31T11:47:52.214519800Z",
  "votes": 4,
  "comment_count": 1,
  "views": 0,
  "content": "<p>I realized that small change on a few pixels results to significant change on the crop model output. There is no means to know how the crop2 grid of squares &amp; circles is generated and of course there are important edge effects if the circle pixels are not correctly drawn and interpolated.</p>\n<p>I know there is no more hint on crop 2 but may I ask if the sample_image.png matches exactly for every pixel (except the white numbers) with the input provided to crop model if one gives the correct RGB lists of squares and circles ? </p>",
  "messages": [
    {
      "id": "1920767",
      "postDate": "08/31/2022 11:47:52",
      "content": "<p>I realized that small change on a few pixels results to significant change on the crop model output. There is no means to know how the crop2 grid of squares &amp; circles is generated and of course there are important edge effects if the circle pixels are not correctly drawn and interpolated.</p>\n<p>I know there is no more hint on crop 2 but may I ask if the sample_image.png matches exactly for every pixel (except the white numbers) with the input provided to crop model if one gives the correct RGB lists of squares and circles ? </p>",
      "rawMarkdown": "I realized that small change on a few pixels results to significant change on the crop model output. There is no means to know how the crop2 grid of squares & circles is generated and of course there are important edge effects if the circle pixels are not correctly drawn and interpolated.\n\nI know there is no more hint on crop 2 but may I ask if the sample_image.png matches exactly for every pixel (except the white numbers) with the input provided to crop model if one gives the correct RGB lists of squares and circles ?",
      "votes": null
    },
    {
      "id": "1920997",
      "postDate": "08/31/2022 14:20:57",
      "content": "<p>sample_image.png circles have anti-aliased edges and some brighter pixels in squares corners, so I think, it is just a layout reference, but not more. Haven't even tried the challenge yet, though.</p>",
      "rawMarkdown": "sample_image.png circles have anti-aliased edges and some brighter pixels in squares corners, so I think, it is just a layout reference, but not more. Haven't even tried the challenge yet, though.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1920997,
      "author_name": "cepheidq",
      "author_url": "",
      "post_date": "08/31/2022 14:20:57",
      "content": "<p>sample_image.png circles have anti-aliased edges and some brighter pixels in squares corners, so I think, it is just a layout reference, but not more. Haven't even tried the challenge yet, though.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1920767": "I realized that small change on a few pixels results to significant change on the crop model output. There is no means to know how the crop2 grid of squares & circles is generated and of course there are important edge effects if the circle pixels are not correctly drawn and interpolated.\n\nI know there is no more hint on crop 2 but may I ask if the sample_image.png matches exactly for every pixel (except the white numbers) with the input provided to crop model if one gives the correct RGB lists of squares and circles ?",
    "1920997": "sample_image.png circles have anti-aliased edges and some brighter pixels in squares corners, so I think, it is just a layout reference, but not more. Haven't even tried the challenge yet, though."
  },
  "source": "meta"
}