{
  "id": 12623,
  "title": "pixel size",
  "url": "/competitions/datasciencebowl/discussion/12623",
  "author_name": "",
  "post_date": "2015-02-26T18:31:55.827Z",
  "votes": null,
  "comment_count": 2,
  "views": 842,
  "content": "<p>Hi,</p>\n\n<p>What about pixel size? I can't find information on that. Would be beneficial to know how much each pizel is in um. Does anybody know about that?</p>\n\n<p>Best,</p>\n<p>Moritz</p>",
  "messages": [
    {
      "id": "64981",
      "postDate": "02/26/2015 18:31:55",
      "content": "<p>Hi,</p>\n\n<p>What about pixel size? I can't find information on that. Would be beneficial to know how much each pizel is in um. Does anybody know about that?</p>\n\n<p>Best,</p>\n<p>Moritz</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "65026",
      "postDate": "02/27/2015 13:12:29",
      "content": "<p>Hi Moritz,&nbsp;</p>\n<p>I'm having a hard time understanding your question...</p>\n<p>Pixel information is easy to find for an image. For example, right click -&gt; properties -&gt; details gives you width and height in pixels. In python, you can import Image, then call</p>\n<p>Image.open(&lt;path to image&gt;).size</p>\n<p>and it will give you the size in pixels [x,y]. Any language will have similar instructions on how to give pixel info if you just google it.&nbsp;</p>\n<p>When you say&nbsp;you want to know how much each pixel is in &quot;um&quot;, if you meant &quot;em&quot;, then just divide by 16).&nbsp;But that's really irelevant, so I'm not sure what you mean by &quot;um&quot;.</p>\n<p>Can you clarify?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "65075",
      "postDate": "02/27/2015 21:52:58",
      "content": "<p>Hi,</p>\n\n<p>thanks for your reply and sorry for my late response.</p>\n<p>My question is regarding how many micrometers (lazily abbrev as um instead &#181;m) one pixel of the image is in the real world aka on the plankton (as if you would take a picture of a person with your camera and the head of that person would be&nbsp;1 pixel on&nbsp;the picture, therefore a&nbsp;pixel size of 1 head length. But I guess that information is not available. Would be beneficial though.</p>\n\n<p>Best</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 65026,
      "author_name": "amccrea",
      "author_url": "",
      "post_date": "02/27/2015 13:12:29",
      "content": "<p>Hi Moritz,&nbsp;</p>\n<p>I'm having a hard time understanding your question...</p>\n<p>Pixel information is easy to find for an image. For example, right click -&gt; properties -&gt; details gives you width and height in pixels. In python, you can import Image, then call</p>\n<p>Image.open(&lt;path to image&gt;).size</p>\n<p>and it will give you the size in pixels [x,y]. Any language will have similar instructions on how to give pixel info if you just google it.&nbsp;</p>\n<p>When you say&nbsp;you want to know how much each pixel is in &quot;um&quot;, if you meant &quot;em&quot;, then just divide by 16).&nbsp;But that's really irelevant, so I'm not sure what you mean by &quot;um&quot;.</p>\n<p>Can you clarify?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 65075,
      "author_name": "moritzschmid",
      "author_url": "",
      "post_date": "02/27/2015 21:52:58",
      "content": "<p>Hi,</p>\n\n<p>thanks for your reply and sorry for my late response.</p>\n<p>My question is regarding how many micrometers (lazily abbrev as um instead &#181;m) one pixel of the image is in the real world aka on the plankton (as if you would take a picture of a person with your camera and the head of that person would be&nbsp;1 pixel on&nbsp;the picture, therefore a&nbsp;pixel size of 1 head length. But I guess that information is not available. Would be beneficial though.</p>\n\n<p>Best</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "64981": "",
    "65026": "",
    "65075": ""
  },
  "source": "meta"
}