Hi, I prepare a paper about satellite image classification. I need to download satellite image for aspecific region ROI to study and classify into classes
You can download the Landsat satellite image from the United States Geological Survey (USGS) Earth Explorer website.
https://earthexplorer.usgs.gov
Also, you can retrieve the Landsat and other satellite images from the
USGS Glovis Explorer
https://glovis.usgs.gov/
I have attached a step-by-step guide to accessing the Earth Explorer website and download the satellite imagery. Please see attached guide, I believe it will surely be of help to you.
If you are familiar with programming languages I would recommend you use Google Earth Engine to extract Landsat another satellite image. You can create a geometry representing an export region and change many configuration parameters before export.
There are many tutorials on the internet. Have a look:
Hello. You must register on the USGS website. Then you can easily download Landsat images by specifying the desired range and time and other settings you want.