{
  "id": 613721,
  "title": "\"calibration_pulse\" and \"lead_names\"",
  "url": "/competitions/physionet-ecg-image-digitization/discussion/613721",
  "author_name": "",
  "post_date": "2025-10-29T08:28:02.177987600Z",
  "votes": 1,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Can we expect the calibration pulse and lead_names to be <strong>always present</strong> in the images(test images!)? or we should also build our algorithm/models to be flexible around it?</p>",
  "messages": [
    {
      "id": "3308364",
      "postDate": "10/29/2025 08:28:02",
      "content": "<p>Can we expect the calibration pulse and lead_names to be <strong>always present</strong> in the images(test images!)? or we should also build our algorithm/models to be flexible around it?</p>",
      "rawMarkdown": "Can we expect the calibration pulse and lead_names to be **always present** in the images(test images!)? or we should also build our algorithm/models to be flexible around it?",
      "votes": null
    },
    {
      "id": "3308415",
      "postDate": "10/29/2025 11:21:31",
      "content": "<p>Standard ECG printouts always have the lead names somewhere close to the corresponding leads (and most often to their left). There is also some variability in the lead names by manufacturer. We have used the most common lead naming convention that you see in the training set, but if you want to build or tune an OCR for recovering and assigning lead names, make sure not to hardcode the lead names. Define them as parameters to make your code future-proof and applicable to other lead-naming standards. Same for the lead order and arrangement on the screen.</p>\n<p>The calibration pulse is also often printed as reference, either per lead or just once. See <a href=\"https://www.kaggle.com/competitions/physionet-ecg-image-digitization/discussion/613040#3306418\" target=\"_blank\">this</a> post. </p>",
      "rawMarkdown": "Standard ECG printouts always have the lead names somewhere close to the corresponding leads (and most often to their left). There is also some variability in the lead names by manufacturer. We have used the most common lead naming convention that you see in the training set, but if you want to build or tune an OCR for recovering and assigning lead names, make sure not to hardcode the lead names. Define them as parameters to make your code future-proof and applicable to other lead-naming standards. Same for the lead order and arrangement on the screen.\n\nThe calibration pulse is also often printed as reference, either per lead or just once. See [this](https://www.kaggle.com/competitions/physionet-ecg-image-digitization/discussion/613040#3306418) post.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 3308415,
      "author_name": "r2241272",
      "author_url": "",
      "post_date": "10/29/2025 11:21:31",
      "content": "<p>Standard ECG printouts always have the lead names somewhere close to the corresponding leads (and most often to their left). There is also some variability in the lead names by manufacturer. We have used the most common lead naming convention that you see in the training set, but if you want to build or tune an OCR for recovering and assigning lead names, make sure not to hardcode the lead names. Define them as parameters to make your code future-proof and applicable to other lead-naming standards. Same for the lead order and arrangement on the screen.</p>\n<p>The calibration pulse is also often printed as reference, either per lead or just once. See <a href=\"https://www.kaggle.com/competitions/physionet-ecg-image-digitization/discussion/613040#3306418\" target=\"_blank\">this</a> post. </p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3308364": "Can we expect the calibration pulse and lead_names to be **always present** in the images(test images!)? or we should also build our algorithm/models to be flexible around it?",
    "3308415": "Standard ECG printouts always have the lead names somewhere close to the corresponding leads (and most often to their left). There is also some variability in the lead names by manufacturer. We have used the most common lead naming convention that you see in the training set, but if you want to build or tune an OCR for recovering and assigning lead names, make sure not to hardcode the lead names. Define them as parameters to make your code future-proof and applicable to other lead-naming standards. Same for the lead order and arrangement on the screen.\n\nThe calibration pulse is also often printed as reference, either per lead or just once. See [this](https://www.kaggle.com/competitions/physionet-ecg-image-digitization/discussion/613040#3306418) post."
  },
  "source": "meta"
}