huangsw666
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| /** | |
| * # Histogram matching | |
| * # Google Earth Engine with S1 SAR | |
| * # A very small experiment :D | |
| * # Author: Francis Laclé | |
| * # Year: 2019 | |
| */ | |
| /** | |
| * Function that returns a normalized image using unitScale() |
saketkunwar
/ spk.js
Last active
February 23, 2023 15:52
Google Earth Engine Speckle Noise Reduction
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| var sentinel1 = ee.ImageCollection('COPERNICUS/S1_GRD'); | |
| var poly = ee.Geometry.Polygon( | |
| [[[-95.83648681640625, 29.561512529746743], | |
| [-95.042724609375, 29.57345707301757], | |
| [-95.02899169921875, 30.099989515377835], | |
| [-95.82275390625, 30.10711788709236]]]); | |
| var spatialFiltered = sentinel1.filter(ee.Filter.eq('instrumentMode', 'IW')).filterBounds(poly) | |
| .filter(ee.Filter.listContains('transmitterReceiverPolarisation', 'VV')) | |
| .select('VV'); | |
| var image = spatialFiltered.filterDate('2017-08-25', '2017-09-05').mosaic().clip(poly); |