All Questions
Tagged with google-earth-engine classification
131
questions
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23
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Wrong pallete in Gradient Tree Boost classification
I'm using GTB to classify LULC, and when I'm trying to visualize the image it looks like this:
//Gradient Tree Boost Classification
var classifier = ee.Classifier.smileGradientTreeBoost(500).train({
...
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votes
1
answer
21
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Supervised classification ALOS-PALSAR Google Earth Engine
I need to create a supervised classification for flood detection with ALOS PALSAR in Google Earth Engine. How can I do this?
-1
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1
answer
105
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Link drive folder to gee: Display tiff images from drive to gee
I have classified images using many different programs on gee and exported a series of classified images to a folder on my drive. I don't know how I can link that folder to gee so I can display the ...
- 1
0
votes
1
answer
68
views
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 ...
- 63
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1
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86
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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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26
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Random forest invalid data
I'm trying to classify forest habitats at a 10-meter resolution. I have imported my points from a shapefile that contains habitat categories for each sampled point in the "target" column. I ...
1
vote
1
answer
60
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Error - Missing property in a classified image
I am trying to classify a Sentinel 2 image composite with some added index bands using Random Forest supervised classification on a collection of sample points generated from a source Dynamic World V1 ...
0
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32
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Band not recognised - seagrass mapping on GEE
// Load Sentinel 2 raw imagery and filter it to all images in 2023.
var S2data = ee.ImageCollection('COPERNICUS/S2_SR')
.filterDate('2023-05-01', '2023-08-01')
.filterBounds(poi)
.filter(...
- 1
0
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1
answer
63
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Using existing GeoTIFF as training points for random forest classifier (Landsat 7)
I am new to R and GEE. I am trying to establish a link, using time series analysis, between land use change (different classes) and evapotranspiration (if possible also temperature, precipitation and ...
1
vote
1
answer
307
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Layers not getting displayed using Map.addLayer in GEE
I am writing a code to classify glacier features using various masks. The problem however is that none of the processed images are getting displayed. They are getting processed and the 'print' ...
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92
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Google Earth Engine Error for random forest classification
I am working on random forest classification to distinguish corn areas, and defining train and test data but I faced an error.
classification: Layer error: ErrorMargin, argument 'value': Invalid
type....
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28
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Image (Error) Property 'NDVI' of feature '0_0' is missing
when I was working on classification for crop mapping to find maize fields, I faced the error.
I made samples using geometry and named it trainingdata which indicate maize fields.
Besides I tried ...
0
votes
1
answer
134
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File not found, no such file or directory in GEE python
I follow step by step in :
https://geemap.org/notebooks/33_accuracy_assessment/#split-training-and-testing
When the step to download confusion matrix, there is error. I type the code :
import csv
...
- 303
0
votes
0
answers
63
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Get working of Random Forest in GEE in understandable form
I used this code to see decion tree in RF GEE:
var decisionTrees = ee.List(trained.explain().get('trees'))
print("Tree decision", decisionTrees)
I get this:
Tree decision
List (29 elements)
...
- 40
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votes
1
answer
130
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Merging training points for classification (Random Forest) using L9 data in Google Earth Engine
I am not able to merge training points using Google Earth Engine code. I am very new to Google Earth Engine.
The code which is tried is
var dataset = ee.ImageCollection("LANDSAT/LC09/C02/T1_L2&...
- 320