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Water Masking Plugin

Plugin ID: 5325

Advanced high-performance scientific tool for extracting water masks and generating smoothed waterbody polygons from multispectral satellite imagery.

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<h3>Water Masking Plugin: Scientific Waterbody Extraction</h3>
<p><b>Water Masking Plugin</b> is a specialized QGIS toolkit designed to extract accurate water masks and generate smoothed waterbody polygons from multispectral satellite imagery using a high-performance scientific engine.</p>

<p><b>Core Capabilities:</b></p>
<ul>
<li><b>7 Water Masking Methods:</b> Otsu NDWI, Manual NDWI, 3 Indices, Smart Hybrid Auto, Tiled Adaptive Otsu, Modified AWEI Single-SWIR, and Spectral Slope Decision Tree.</li>
<li><b>Geodesic Ellipsoidal Geometry:</b> Physical area (ha, km²) and perimeter measurements on the WGS-84 ellipsoid regardless of projection (UTM or EPSG:4326).</li>
<li><b>Vector Polygon Override:</b> Direct support for custom ROI boundaries.</li>
<li><b>Noise Removal & Smoothing:</b> Sieve filtering for isolated pixel suppression and sub-pixel edge smoothing for cartographic coastal boundaries.</li>
</ul>

<p><i>Developed by Mohamed Aly Nasef</i></p>

Version QGIS >= QGIS <= Date
2.1 - 3.0.0 4.99.0 170 nasefmaly 2026-09-13T07:10:16.845949+00:00
1.0 - 3.0.0 4.99.0 867 nasefmaly 2026-05-29T22:42:23.812477+00:00