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        <identifier>oai:figshare.com:article/33366177</identifier>
        <datestamp>2026-09-28T06:04:02Z</datestamp>
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        <oai_dc:dc xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:title>HydroBound-ML 2026-03_Magnuszew dataset</dc:title>
          <dc:creator>Patryk Wróblewski (24666396)</dc:creator>
          <dc:creator>Anna Fryśkowska-Skibniewska (24666415)</dc:creator>
          <dc:subject>Computational modelling and simulation in earth sciences</dc:subject>
          <dc:subject>Photogrammetry and remote sensing</dc:subject>
          <dc:subject>Geospatial information systems and geospatial data modelling</dc:subject>
          <dc:subject>Airborne Lidar Bathymetry (ALB)</dc:subject>
          <dc:subject>Machine Learning</dc:subject>
          <dc:subject>Random Forest</dc:subject>
          <dc:subject>Object-Based Image Analysis (OBIA)</dc:subject>
          <dc:subject>Water Boundary Delineation</dc:subject>
          <dc:subject>Topo-bathymetric scanning</dc:subject>
          <dc:subject>Exponential Decomposition</dc:subject>
          <dc:subject>HydroBound-ML</dc:subject>
          <dc:subject>Dataset</dc:subject>
          <dc:description>&lt;p dir="ltr"&gt;This dataset provides the comprehensive source data, model files, and output results developed for the HydroBound-ML framework. The primary remote sensing data was acquired using the Riegl VQ-880-GII topo-bathymetric system integrated with PhaseOne iXM-RS150F optical sensors (RGB &amp; NIR) over a complex fluvial environment (Pilica and Vistula rivers, Poland).&lt;/p&gt;&lt;p dir="ltr"&gt;💻 &lt;b&gt;Software Repository:&lt;/b&gt; The complete Python application (HydroBound-ML Assistant v.1.0.7), source code, and documentation are openly available on GitHub: &lt;a href="https://github.com/PWroblewskiWAT/HydroBound-ML" target="_blank" rel="noreferrer"&gt;https://github.com/PWroblewskiWAT/HydroBound-ML&lt;/a&gt;.&lt;/p&gt;&lt;p dir="ltr"&gt;The repository is structured into three main components to ensure full workflow reproducibility:&lt;/p&gt;&lt;p dir="ltr"&gt;&lt;b&gt;1. INPUT DATA&lt;/b&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;Ortho RGB imagery (.tif)&lt;/li&gt;&lt;li&gt;Ortho NIR imagery (.tif)&lt;/li&gt;&lt;li&gt;NDVI spectral index raster (.tif)&lt;/li&gt;&lt;li&gt;NDWI spectral index raster (.tif)&lt;/li&gt;&lt;li&gt;NGRDI spectral index raster (.tif)&lt;/li&gt;&lt;li&gt;Project metadata file (.json)&lt;/li&gt;&lt;li&gt;Digital Terrain Model (DTM) with ellipsoidal heights (.tif)&lt;/li&gt;&lt;li&gt;Area Of Interest (AOI) polygon (.kml)&lt;/li&gt;&lt;/ul&gt;&lt;p dir="ltr"&gt;&lt;b&gt;2. MODEL FILES (Updated - v2)&lt;/b&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;HydroBound-ML model v2 weights (&lt;code&gt;HydroBound-ML_v2.joblib&lt;/code&gt;)&lt;/li&gt;&lt;li&gt;HydroBound-ML v2 manual samples database (&lt;code&gt;HydroBound-ML_v2_manual_samples.joblib&lt;/code&gt;)&lt;/li&gt;&lt;li&gt;HydroBound-ML v2 model training metrics (&lt;code&gt;HydroBound-ML_v2_metrics_log.txt&lt;/code&gt;) &lt;i&gt;(Note: The cached textures file is intentionally excluded from this repository due to its significant file size of approximately 64GB; it is not required to reconstruct the processing workflow).&lt;/i&gt;&lt;/li&gt;&lt;/ul&gt;&lt;p dir="ltr"&gt;&lt;b&gt;3. OUTPUT RESULTS&lt;/b&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;Final Water Boundary Polygon without grid (&lt;code&gt;..._water_boundary_polygon.geojson&lt;/code&gt;)&lt;/li&gt;&lt;li&gt;Final Water Boundary Polygon with grid (&lt;code&gt;..._water_boundary_polygon_grid.geojson&lt;/code&gt;) &lt;i&gt;(Note: These vector results were generated utilizing the updated v2 machine learning model).&lt;/i&gt;&lt;/li&gt;&lt;/ul&gt;&lt;p dir="ltr"&gt;These datasets serve as supplementary material to ensure full transparency for the research article: &lt;br&gt;Wróblewski, P.; Fryśkowska-Skibniewska, A. HydroBound-ML: Automated Water-Surface-Mask Generation for Airborne Lidar Bathymetry Processing Using Hybrid Machine Learning and Object-Based Image Analysis. &lt;i&gt;Sensors&lt;/i&gt; &lt;b&gt;2026&lt;/b&gt;, &lt;i&gt;26&lt;/i&gt;, 6065. &lt;a href="https://doi.org/10.3390/s26196065" target="_blank" rel="noreferrer"&gt;https://doi.org/10.3390/s26196065&lt;/a&gt;.&lt;/p&gt;&lt;p dir="ltr"&gt;&lt;br&gt;&lt;/p&gt;</dc:description>
          <dc:date>2026-09-28T06:04:02Z</dc:date>
          <dc:type>Dataset</dc:type>
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          <dc:relation>https://figshare.com/articles/dataset/_b_HydroBound-ML_b_2026-03_Magnuszew_dataset/33366177</dc:relation>
          <dc:rights>CC BY 4.0</dc:rights>
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