Re: street mask

The hybrid map is just the satellite map with a street layer overlay.

On Sep 7, 3:53 pm, mepnosis <arflo...@gmail.com> wrote:
> I would like to generate a binary mask for streets from static maps.
> In case this helps, here is what I am ultimately trying to do.  I have
> some aerial video which I am registering to a satellite image from
> google static maps.  After registering the video to the map, I would
> like to overlay any street signs/labels to the map+registered aerial
> video.
>
> My first attempt at doing this was to get a satellite image
> (maptype=satellite) and then a hybrid image (maptype=hybrid) of the
> same location.  In theory, pixel wise subtraction of these two images
> and then thresholding should produce a usable mask.  However, the
> hybrid and satellite images seem to be off by one or two pixels
> (despite using the same latitude/longitude for the map center), so
> this simple method does not work.
>
> Is there something in the API that could be used for this?

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