How to extract the percentage of green areas, urban areas and roads from remote sensing imagery?

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Noha Abdulwarth

I asked a question similar to this before, i think you can find what you need here

https://www.researchgate.net/post/How_to_calculate_the_percentage_of_green_spaces_in_remote_sensing_image_using_erdas_imagine

Avit K Bhowmik

Here are the steps in brief: Code the land use types you are interested in, 1 for green space, 2 for urban areas etc; extract the codes with the number of corresponding pixels and calculate frequency. You can try 'raster' package in R.