Questions tagged [median]
The median tag has no usage guidance.
11
questions
1
vote
0
answers
29
views
How to make TIFF output file with coordinate reference system (CRS)
I am working on TIFF files to produce the median matrix for them, I am using the following Matlab code for that.
How I can make the output as .tif while keeping the coordinate reference system (CRS)?
...
3
votes
1
answer
88
views
Find the median line from the input broken line
I already tried to use ST_Simplify, but as the result Wrong Line was gotten, because the function reduced the number of points significantly and curvature was lost.
Is it possible to get the Desired ...
1
vote
1
answer
62
views
QGIS: Median for Raster layer zonal statistics
I want to know the median value of Raster A based on the value-defined areas of raster B. Using the Raster layer zonal statistics, I receive "only" value of sum, min, max and average.
I used ...
1
vote
1
answer
173
views
Export median yearly Landsat 8 bands and indices to Google Drive using Google Earth Engine
I am trying to export yearly median Landsat 8 bands and indices to Google Drive. I can do that for monthly images but I'd like to do that for yearly images. In the example below, I downloaded monthly ...
2
votes
1
answer
1k
views
median function of GEE
I want to do some reprocessing with ee.ImageCollection("NOAA/VIIRS/DNB/MONTHLY_V1/VCMSLCFG"). For example,I want to caculate median value of each pixel in 12 images.
var imageCollection = ee....
1
vote
1
answer
304
views
Getting median value of attribute for duplicate polygons and dropping duplicates using GeoPandas
I have a DataFrame that resulted from spatially joining a digital elevation map with a square grid map.
This unexpectedly resulted in duplicate rows where two rows will have the same "geometry&...
0
votes
1
answer
157
views
To remove clouds of Landsat 8 surface reflectance products
I want to remove clouds from the collection of images and replace new values with pixels of clouds. I have written code, but it's not working.
Here is my code:
var table = ee.FeatureCollection("...
1
vote
0
answers
24
views
Choosing Window Operator for 1-D Elevation Data
Have an interesting theoretical question here: Say you have a swath of elevation data that is essentially a line of densely spaced points. The data is noisy, so a simple median filter is something I ...
0
votes
1
answer
1k
views
NDVI time series with Sentinel-2 in Google Earth Engine
I want to calculate the time series of the NDVI with Sentinel-2 of a specific area of Australia.
I started from this code:
Time series analysis of NDVI using Google Earth Engine
Substituting Landsat ...
1
vote
1
answer
333
views
Google Earth Engine: Get the ID of images used for median calculation
In Earth Engine it is quite easy to create a median image out of several images from an image collection. But is there any way to get the information which particular images were used to create the ...
2
votes
0
answers
1k
views
Median vs mean in GEE
I applied the cloud masking on Sentinel 2 imagery in GEE. The original image collection without masking clouds is this:
First I tried the script exactly as written at the bottom of this page Sentinel-...