November 14, 2025 Dataset Open Access

Chekhonin, Paul; Korten, Till; Gerçek, Alinda Ezgi; Hassan, Maleeha; Steinbach, Peter

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{
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Helmholtz Zentrum Dresden Rossendorf (HZDR)", 
      "@type": "Person", 
      "@id": "https://orcid.org/0009-0005-5029-3061", 
      "name": "Chekhonin, Paul"
    }, 
    {
      "affiliation": "Helmholtz Zentrum Dresden Rossendorf (HZDR)", 
      "@type": "Person", 
      "@id": "https://orcid.org/0000-0002-2315-9247", 
      "name": "Korten, Till"
    }, 
    {
      "affiliation": "Helmholtz Zentrum Dresden Rossendorf (HZDR)", 
      "@type": "Person", 
      "name": "Ger\u00e7ek, Alinda Ezgi"
    }, 
    {
      "affiliation": "Helmholtz Zentrum Dresden Rossendorf (HZDR)", 
      "@type": "Person", 
      "@id": "https://orcid.org/0009-0000-7917-7025", 
      "name": "Hassan, Maleeha"
    }, 
    {
      "affiliation": "Helmholtz Zentrum Dresden Rossendorf (HZDR)", 
      "@type": "Person", 
      "@id": "https://orcid.org/0000-0002-4974-230X", 
      "name": "Steinbach, Peter"
    }
  ], 
  "keywords": [
    "machine learning", 
    "SEM", 
    "steel", 
    "carbide", 
    "segmentation", 
    "image processing"
  ], 
  "sameAs": [
    "https://www.hzdr.de/publications/Publ-42225"
  ], 
  "@context": "https://schema.org/", 
  "datePublished": "2025-11-14", 
  "url": "https://rodare.hzdr.de/record/4124", 
  "description": "<p>This dataset contains scanning electron microscopy (SEM) images of steel alloys, including paired secondary electron (SE2) and in-lens (InLens) channels, with corresponding binary segmentation labels. The data supports full reproduction of results presented in the referenced manuscript.</p>\n\n<p>&nbsp;</p>\n\n<p><strong>Dataset Description</strong></p>\n\n<ul>\n\t<li><strong>Content:</strong>&nbsp;13 pairs of SEM images of two reactor pressure vessel (RPV) steels:\n\n\t<ul>\n\t\t<li><em>JFL</em>: IAEA reference RPV base metal steel</li>\n\t\t<li><em>ANP-10</em>: Western type RPV steel</li>\n\t</ul>\n\t</li>\n\t<li><strong>Acquisition:</strong>\n\t<ul>\n\t\t<li><em>JFL</em>: Zeiss NVision 40 microscope</li>\n\t\t<li><em>ANP-10</em>: Zeiss Ultra 55 microscope</li>\n\t\t<li>Both SE and InLens detectors used simultaneously.</li>\n\t</ul>\n\t</li>\n\t<li><strong>Resolution:</strong>&nbsp;2048 &times; 1404 pixels per image\n\t<ul>\n\t\t<li>2048 px width corresponds to 14.3 &micro;m (JFL) or 11.5 &micro;m (ANP-10).</li>\n\t</ul>\n\t</li>\n</ul>\n\n<p>Using the dataset to reproduce the results of the manuscript</p>\n\n<p>Download the zip file into the&nbsp;<code>data/</code> subdirectory of the code repository and extract the archive:</p>\n\n<pre><code class=\"language-bash\">cd data/\nunzip data.zip</code></pre>\n\n<p><strong>Dataset Structure</strong></p>\n\n<p>These directories contain the relevant data for the manuscript:</p>\n\n<p><code>cloud/</code><br>\n<code>\u251c-\u2500 preprocessed/</code><br>\n<code>\u2502 &nbsp; \u251c\u2500\u2500 hold-out/</code><br>\n<code>\u2502 &nbsp; \u251c\u2500\u2500 images/</code><br>\n<code>\u2502 &nbsp; \u2514\u2500\u2500 labels/</code><br>\n<code>\u251c\u2500\u2500 processed_tiles/</code><br>\n<code>\u2502 &nbsp; \u251c\u2500\u2500 images/</code><br>\n<code>\u2502 &nbsp; \u2514\u2500\u2500 labels/</code><br>\n<code>\u251c\u2500\u2500 tb_logs/</code><br>\n<code>\u2502 &nbsp; \u251c\u2500\u2500 unet_model/</code></p>\n\n<p><strong>Preprocessed</strong></p>\n\n<p>pre-processed whole images and corresponding labels</p>\n\n<p><strong>Processed Tiles</strong></p>\n\n<p>tiled images and labels</p>\n\n<p><strong>tb_logs</strong></p>\n\n<p>trained model weights</p>", 
  "@type": "Dataset", 
  "distribution": [
    {
      "fileFormat": "zip", 
      "@type": "DataDownload", 
      "contentUrl": "https://rodare.hzdr.de/api/files/fd67404b-3f61-4559-8792-3c3119a8c5da/data.zip"
    }
  ], 
  "@id": "https://doi.org/10.14278/rodare.4124", 
  "name": "Training Data and Models for the paper: Data-efficient U-Net for Segmentation of Carbide Microstructures in SEM Images of Steel Alloys", 
  "identifier": "https://doi.org/10.14278/rodare.4124"
}