{
  "id": 613755,
  "title": "How to Handle Overlapping Leads + Grid Noise in Label Extraction?",
  "url": "/competitions/physionet-ecg-image-digitization/discussion/613755",
  "author_name": "Jacky Teng",
  "post_date": "2025-10-29T14:04:50.087000",
  "votes": 0,
  "comment_count": 0,
  "views": 0,
  "content": "<p>Noticed some samples have overlapping channels, handwritten notes, and faint grids. Curious:\n• Are you using automated lead segmentation?\n• How do you denoise handwritten marks?\n• Are you mapping signal positions to lead names programmatically?\n• Any success turning 2D waveform drawings into structure-aware signal arrays?</p>\n<p>Let's share insights and failure cases. Visual examples welcomed!</p>\n<p>✅ People love talking about pain points.</p>",
  "messages": [
    {
      "id": 3308471,
      "postDate": "2025-10-29T14:04:50.087Z",
      "content": "<p>Noticed some samples have overlapping channels, handwritten notes, and faint grids. Curious:\n• Are you using automated lead segmentation?\n• How do you denoise handwritten marks?\n• Are you mapping signal positions to lead names programmatically?\n• Any success turning 2D waveform drawings into structure-aware signal arrays?</p>\n<p>Let's share insights and failure cases. Visual examples welcomed!</p>\n<p>✅ People love talking about pain points.</p>",
      "rawMarkdown": "Noticed some samples have overlapping channels, handwritten notes, and faint grids. Curious:\n• Are you using automated lead segmentation?\n• How do you denoise handwritten marks?\n• Are you mapping signal positions to lead names programmatically?\n• Any success turning 2D waveform drawings into structure-aware signal arrays?\n\nLet's share insights and failure cases. Visual examples welcomed!\n\n✅ People love talking about pain points."
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "3308471": "Noticed some samples have overlapping channels, handwritten notes, and faint grids. Curious:\n• Are you using automated lead segmentation?\n• How do you denoise handwritten marks?\n• Are you mapping signal positions to lead names programmatically?\n• Any success turning 2D waveform drawings into structure-aware signal arrays?\n\nLet's share insights and failure cases. Visual examples welcomed!\n\n✅ People love talking about pain points."
  }
}