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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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How to prepare .nc files for quick geospatial reference graph?

I am new here and am just beginning with R Studio. I have downloaded .nc data files from ST5 Satellite from the Copernicus hub and am attempting to make a plot with the variables - latitude, longitude, time and aerosol height. I have tried to use…
Matt
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Is it possible to download ICESat2 images with Python/Tensorflow for a given time period?

I want to download images from ICESat2 https://nsidc.org/data/icesat-2 for a given time period but so far I haven't been able to find a way to do so programatically in Python/Tensorflow. Is there a way to do it?
user2645029
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TypeError: 'module' object is not callable when runinning PIL images

import skimage.io import time def get_pred(learner, tile): # pdb.set_trace() t_img = Image(pil2tensor(tile[:,:,:3],np.float32).div_(255)) outputs = learner.predict(t_img) im = image2np(outputs[2].sigmoid()) im =…
mullermuttu
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How can I overlay Sentinal 2 data with shapefiles in R?

I need to extract Sentinal 2 data for NDVI for specific study sites. I used RGIS tools and followed the reference manual https://cran.r-project.org/web/packages/RGISTools/RGISTools.pdf . I was able to obtain and plot the time series for NDVI. Now I…
HannahA
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Training Chip and Target Image format in TensorFlow

I am trying to build a Land Cover Classification model for Sentinel Image. The Image Channels(bands) I am using are 32-bit float. I need to understand how to best format the Image data, both the chips/patches for training and the Target Image for…
Hussain
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How to match cartopy figure size with my array size? (want a full resolution plot)

I have an array that is 1648 x 2608 (from a GOES-16 image, part of a full disk image). When using cartopy, I can't create a 1648 x 2608 PNG, with the size of my array. Instead, it creates a 1648 x 2608 white box with the satellite image inside…
Diego Souza
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How to fix "Error in (function...) arguments imply differing number of rows

I am trying to summarize the values of a raster of a satellite image of NDVI values. I have already extracted the data and it seem to have populated a list that I can see in the console window, but I cannot see it using the "view" function, nor can…
tc1997
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Dice Coefficient too high in image Segmentation using CNN

I am working on satellite segmentation problem using CNN. But on reaching to epoch 50 the dice coefficient reached to 0.995. The code for the network is below. def get_unet(): dropout = 0.20 axis=3 inputs = Input((img_rows, img_cols,3 ))…
Tahir Mujtaba
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Maptiler using OSM and Satellite tiles at the same time

I have downloaded and setup the maptiler server on Docker on my machine. I bought a subscription and have downloaded the OSM maps and it seems to work just fine. However I see there are satellite maps I would like to use as well. Is this possible.…
Stephen Karl Ranson
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Change polygon color programmatically of a digitized image

I don't have knowledge about ArcGIS... But I am working on a program related to that... I have to do- Load digitized image in my windows application and after that i have to change polygon color according to client need. Actually the image is a…
Shreejay Pendse
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From where i can get multi temporal satelite pictures

I am working on change detection on remote sensing imagery. I want to know from I can get multi-temporal satellite images i.e over a time span of a year I want to have satellite imagery of same places with the same resolution
vkSinha
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Extracting(Clipping) in Google Earth Engine

I am working with Google earth Engine and I am trying to extract/Filter (clip) pixels in a band using another image (band). I calculated NDVI and created a threshold value that rendered an image with NDVI > 0.3 but I wanted to extract the…
Destaneon
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Reading multiple band image with C#

I'm trying to read images with multiple bands (multispectral images). A normal image normally has 3 bands (RGB). I learned that certain type of images (eg: satellite images) can have more than 3 bands, like infrared and etc. I know how to read a…
Tolga Evcimen
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Planet NDVI calculation: ModuleNotFoundError: No module named 'rasterio'

I'm performing NDVI calculation on a Planet Scope 4 band image as per Planet's documentation The following block of code is what I wrote: Extract band data from original image in working directory import rasterio import numpy image_file =…
Sergio Escalante
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Resample thousands of images in Matlab?

I have a large array MxNxP size where M and N are the breadth and length of each image and P is the number os images. Now, this represents satellite image with 0.1 degree resolution. Is it possible to resample these images to 0.25 or 0.5-degree…
Windy Day
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