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

[Peter J. Holzer]

On 2021-06-16 15:51:49 -0700, Arak Rachael wrote:
> On Wednesday, 16 June 2021 at 23:44:02 UTC+2, Chris Angelico wrote:
> > On Thu, Jun 17, 2021 at 7:35 AM Dan Stromberg <drsa... at gmail.com> wrote:
> > > 
> > > On Wed, Jun 16, 2021 at 2:04 PM Barry <ba... at barrys-emacs.org> wrote: 
> > > 
> > > > >>> On Thu, Jun 17, 2021 at 6:06 AM Arak Rachael <arakelt... at gmail.com> 
> > > > wrote: 
> > > > >>> 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. 
[...]
> I understand your concerns. Actually I am doing image processing of
> satellite pictures for smart cars.

Using satellite images probably makes that a lot easier (yes, you wrote
"Google maps", but for some reason I thought of Google Street View). At
least you have a consistent angle (almost from straight above) and know
the scale (given the zoom factor and the latitude).

        hp

-- 
   _  | Peter J. Holzer    | Story must make more sense than reality.
|_|_) |                    |
| |   | hjp at hjp.at         |    -- Charles Stross, "Creative writing
__/   | http://www.hjp.at/ |       challenge!"
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