{"name": "Water Masking Plugin", "package_name": "water_masking", "description": "Advanced high-performance scientific tool for extracting water masks and generating smoothed waterbody polygons from multispectral satellite imagery.", "about": "<h3>Water Masking Plugin: Scientific Waterbody Extraction</h3>\n<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>\n\n<p><b>Core Capabilities:</b></p>\n<ul>\n<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>\n<li><b>Geodesic Ellipsoidal Geometry:</b> Physical area (ha, km\u00b2) and perimeter measurements on the WGS-84 ellipsoid regardless of projection (UTM or EPSG:4326).</li>\n<li><b>Vector Polygon Override:</b> Direct support for custom ROI boundaries.</li>\n<li><b>Noise Removal & Smoothing:</b> Sieve filtering for isolated pixel suppression and sub-pixel edge smoothing for cartographic coastal boundaries.</li>\n</ul>\n\n<p><i>Developed by Mohamed Aly Nasef</i></p>", "homepage": "https://github.com/Nasef2017/Water-Masking", "repository": "https://github.com/Nasef2017/Water-Masking", "tracker": "https://github.com/Nasef2017/Water-Masking/issues", "author": "Mohamed Aly Nasef", "tags": ["remote sensing", "mask", "water", "satellite", "hydrology", "smoothing", "polygon", "bathymetry", "shoreline", "sentinel-2", "landsat", "otsu", "ndwi", "mndwi", "awei"], "downloads": 1037, "latest_version": "2.1", "versions": [{"version": "2.1", "experimental": false, "qgis_min": "3.0.0", "qgis_max": "4.99.0", "downloads": 170, "uploaded_by": "nasefmaly", "upload_datetime": "2026-09-13T02:10:16.845949"}, {"version": "1.0", "experimental": false, "qgis_min": "3.0.0", "qgis_max": "4.99.0", "downloads": 867, "uploaded_by": "nasefmaly", "upload_datetime": "2026-05-29T17:42:23.812477"}]}