广西中医药大学附属瑞康医院开展绩效管理培训
8 questions
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Using large datasets for training in Google Earth Engine
I created a training dataset using polygons outside of GEE and I want to use them now in GEE for a supervised classification in Sentinel-2 images.
However when I try to create training points from it ...
- 111
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290
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Plotting Sentinel-2 Level-2A Scene Classification in GEE
I am interested to visualize the result of Scene Classification (SC) that is automatically performed during the production of level-2A products. I am using GEE.
I have read this page and this page and ...
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Supervised classification using training samples from different months
I am performing supervised classifications of forest stands in the Delta region of Buenos Aires. For these classifications, I use a set of bands and indices derived from Sentinel-2 images for ...
- 23
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2k
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GEE Supervised Classification using Sentinel-2 to detect seagrass
I am trying to distinguish seagrass from seaweed (macroalgae) and ultimately map seagrass around Britain. I am aware it may not be possible because it is challenging to differentiate seagrass and ...
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Multi-temporal classification in Google Earth Engine - clustering and grouping based on time sero
I am working on my master thesis on multi temporal classification of LULC using S2 imagery in Google Earth Engine.
The goal: to distinguish urban area from the landscape in the Inner Niger Delta. ...
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Can I use a greenest pixel or a no clouds Sentinel 2 for NDVI analysis?
Can I use a greenest pixel or a no clouds Sentinel 2 for NDVI analysis? I want to use it for extract spectral signature.
And now that I′m asking about it, I want to know if I can work classification ...
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1k
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Exporting vector from raster classification gives deformed vector in Google Earth Engine?
I am very new with Google Earth Engine and I try to make a landcover classification using Sentinel-2 imagery to get the urban area over a very large area (country wide ideally).
I was able to ...
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GEE: apply ee.Reducer.mean to a list
After classification of an image in GEE, I got 2 lists of user's and producer's accuracies (1*7 and 7*1 dimensions). How can I calculate an average value for each of them now?
print('Validation ...
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