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Questions tagged [remote-sensing]

Collecting and interpreting information about the environment and the surface of the earth from a distance, primarily by sensing radiation that is naturally emitted or reflected by the earth's surface or from the atmosphere, or by sensing signals transmitted from a device and reflected back to it.

-2 votes
0 answers
22 views

Developing integrated big data processing system and 3D topographical visualization [closed]

I am currently working on a project that involves developing an integrated big data processing system and visualizing the data in a 3D topographical Earth model. I am seeking assistance with the ...
Angel's user avatar
  • 1
0 votes
0 answers
36 views

Sentinel-2 QA60 band missing?

When performing cloud masking for Sentinel-2 images using QA60 band, I found that after February 2024, the QA bands of Sentinel-2 images are all "masked". In this case, I can't perform cloud ...
Chang Zhou's user avatar
-1 votes
0 answers
12 views

How to create a boxplot in GEE using JS code editor?

I have an image with all the required BoxPlot values as an individual band. I want to create a boxplot for each pixel when I click on it. Do you know how I can do that? combinedImage Image (7 bands) ...
Abinash Silwal's user avatar
0 votes
0 answers
21 views

scp landsat not showing

why not showing landsat in preprocessing obtion?c I cannot find Landsat in my preprocessing toolbar. I have only preprocessing options of clip raster bands, image conversion, masking bands, mosaic ...
sh kim's user avatar
  • 1
1 vote
1 answer
42 views

How to create the fishnet grid in GEE using JS code editor?

I want to create a 10*10 pixel size grid for my AOI. 1 pixel = 10m var cellSize = 100; // Size of each grid cell // Get the bounds of the AOI var bounds = aoi.geometry().bounds().coordinates().get(0)...
Abinash Silwal's user avatar
0 votes
0 answers
40 views

Convert an .xml fil to .tif in ArcGIS Pro

Using ArcGIS Pro 3.3. I downloaded Sentinel 2a data from Copernicus, a few months ago. trying them out today and finding that I have XML and JPEG files, no TIFF. this is what my Copernicus data looks ...
gertrudious's user avatar
0 votes
1 answer
27 views

Empty Metadata table in Semi-Automatic Classification Plugin of QGIS

I am working on Landsat 8 images using QGIS 3.36.2 When I want to convert clipped images to reflectance in Semi-Automatic Classification Plugin, nothing is displayed under the metadata table even ...
chandanr777 's user avatar
0 votes
1 answer
44 views

Source for satellite images without geometric correction

I need satellite images for a university project and they must not have passed through geometric correction. So far the images I have found are already geometrically corrected in some form. Is there a ...
k355l3r5yndr0m3's user avatar
3 votes
1 answer
304 views

Converting image data type from uint16 to uint8 using Python

I have a uint16 image, but when I want to convert this image to uint8 data type, I get bad results. I'm sharing my entry image and the result below. My image is a 3-channel RGB image. original image: ...
geomaticpoly's user avatar
4 votes
1 answer
485 views

What does "post to post" mean?

For example, when someone talks about the "post to post" elevation error of a DTM, what exactly are they referring to?
GISGirl94's user avatar
1 vote
0 answers
222 views

Strange stripes on Google Maps in the region of the October Revolution Island

On 2024-04-16 one can see strange stripes located roughly at 79.86317, 94.64563 in the region of the October Revolution Island. What could be the source of these stripes in an end product? I mean, ...
swiss_knight's user avatar
  • 10.5k
0 votes
0 answers
20 views

Why if I spoof the position with GNSS Analysis MATLAB Google code,I get a spike of horizontal speed but it continue to be active while should be const

I'm using this GNSS Analysis Matlab Google code to analyze the measurements performed via GNSSLogger app. I was initially in Palermo,Sicily and tried to spoof to Rome. I get this Horizontal speed ...
allexj's user avatar
  • 11
0 votes
1 answer
57 views

QGIS plotting from a multiband raster in a ternary diagram

I am working on creating a (remote) superficial geological map using ASTER imagery in QGIS. I have made several RGB composites including Abram's ratio and Thermal Infra red indices to aid in ...
Anon's user avatar
  • 11
0 votes
1 answer
34 views

Random Forest error

I have tried a LULC classification using random forest algorithm in Google Earth Engine but error showing: Layer error: Property 'B2' of feature '0' is missing. My script code: https://code....
Debasish Samanta's user avatar
0 votes
0 answers
14 views

Coregistration for training and validation

If I want to use a 30-m raster as an independent validation dataset for a remote sensing analysis of 10-m and 20-m satellite imagery bands, do I need to coregister the 30-m raster with the 10-m and 20-...
user240875's user avatar

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