How to check if an image contains an element I am searchig for

[Arak Rachael]

On Wednesday, 16 June 2021 at 22:08:31 UTC+2, Chris Angelico wrote:
> On Thu, Jun 17, 2021 at 6:06 AM Arak Rachael <arakelt... at gmail.com> wrote: 
> > 
> > Hi guys, 
> > 
> > I have an image from google maps to say and I need to check if it has road markings, in order to do that, I believe I need to change the effects on the image so the markings and road can be white or something and the things I don't need like cars, trees and so on to be black. 
> > 
> > images should contain only road surface and/or road markings (lines, zebras, stripes. 
> > 
> > Can anyone help me on this, I already have the crop code, I just need to check if the cropped part contains what I need.
> How well can you define the things you're looking for? 
> 
> https://xkcd.com/1425/ 
> 
> ChrisA
Hi Chris,

what do you mean?

Here is the image, I need to separate the road and markings from the rest and divide the image into squares of 100x100 pixels, for each square I need to check if it contains a road and markings:

https://www.dropbox.com/s/iduxj0j8w0ic616/SatelliteProcessing_Image.png?dl=0