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Questions tagged [satellite-image]

Satellite imagery (also Earth observation imagery or spaceborne photography) are images of Earth or other planets collected by imaging satellites operated by governments and businesses around the world. Satellite imaging companies sell images by licensing them to governments and businesses such as Apple Maps and Google Maps.

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Processing satellite images of same area from 2 different sources

I have 2 different sources of satellite images of the same area and hence they have different pixel value distributions. How can I process or transform them to similar distribution? (so that they are visually similar) For instance: (please ignore…
NKR
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Regarding Merging classes in Image Segmentation (Python)

I'm Trying to implement Domain adaptation of Segmentation of Satellite Images From one set of images to another images. To align the classes in two domains , I need to merge the two classes of one source. For example i have to align Roads class and…
Priyanka Mishra
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Processing remote sensing data

Can anybody help me with my problem? I want to process ocean color level 2 products using R. These files contain a *.nc file. I need to reproject the files before processing and then I need to apply some masks and flags to the files. I would really…
Saber Aradpour
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can i get more zoom on a google engine map

hello i need a map for year 2002 for a specific Latitude / Longitude , when i was searching i found that only Landsat was doing capturing since 1984 , i searched a lot and found google engine maps for the place which i need (2006 year was good) but…
Said Pc
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Best way to calculate NDVI using 2 images

I have two sets of satellites images. One is a set of classical satellites images, and the other is a set of infrared satellites images. I am trying to detect the vegetation inside the yellow polygon and outside the red area using Normalized…
chambeeee
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Adding scale bar to map made with ggRGB

I have made a RGB composite image of a satellite image using ggRGB() from the RStoolbox package. I would like to add a scale bar to the image, but I'm stumped as to how to do this. I would usually use scalebar() from the ggsn package when working…
Jessica Beyer
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Is there a way to convert a polygon shapefile into coordinates in Python?

I am trying to download satellite images from Sentinel 2 through ESA Sentinel data hub. The code that I am using to get the shapefile layer's extent to set the query is not in lat/long coordinates but rather strange numbers. I carefully followed the…
Sharon.M
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Download Google Earth Engine Sentinel Images in High Resolution (Python)

I'm trying to download an image from Google Earth Engine sentinel data, but I was only able to get the images at a low resolution. I used the following code to achieve this: geemap.ee_export_image(image, './download/image.tif', scale=25, region=roi,…
vinicvaz
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Query point data on a Google Earth Engine Image by specifying lat/long

I am trying to extract point values from a Google Earth Engine Image Collection by specifying lat/long information. This seems to work perfectly fine when I am working with multiple images and use ee.Image.cat() to join them before I query the…
joashkisten123
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How to read PNG and add data from a tiff file to it and save it as another tiff?

I have two files. One is PNG and the other is TIFF (or .jp2). I want to read geospatial data from the satellite image (.jp2 or .tif) and "put it in" the png file, then save it as a new tif. I'm very new to working with raster data. I'm using…
0xmtn
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How do I test a complex CNN model on a new image?

I am learning CNN and I have found a script online that classifies building rooftops from satellite images. The script works just fine but I am not able to figure out a way to test the script on a new single image. I am showing the code briefly and…
Vaibhav Saxena
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How to label satellite images for Image segmentation?

I want to detect Land mines in satellite Images. Initially I built a model with each image having multiple labels and trained it to classify the images. However I want to use Image Segmentation technique as mentioned here :…
user2777
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Is it allowed to download and use Microsoft Aerial imagery in research papers?

I was wondering if it is allowed to download and use (i.e. I mean processing not just displaying) Microsoft Aerial imagery in research papers? Is there any reference clearly mentioning the use of these data for research purposes?
Federico
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rast function error with MOD09GA hdf images in R

I have some MODIS images downloaded. When I try to create a SpatRaster from the hdf files, using terra rast function, it works perfectly for "MOD09A1" but it doesn´t work for…
Samantha
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Is there a way to use fusion algorithms like STARFM in Google Earth Engine?

Landsat and MODIS products both have their advantages. Landsat with its high spatial resolution and MODIS with its high temporal resolution. I've read a lot about downloading the files and fuse them locally with algorithms like STARFM in Python for…
hanzlan
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