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To get more into django programming I'm planning to create a google maps mashup, which finds routes from A to B, but avoids streets/junctions that cross public surveillance cameras' perspectives. Therfore I will create a database (probably Postgres based, because of its GIS capabilities) containing
This data will then, of course, be editable freely by the users. To start, however, I will need some data to get running. Is there any such publicly available data base containing (possibly approximate) geo position of surveillance cameras?
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For full video surveillance systems, recorded footage is stored on an external recorder. In IP systems, these are called NVRs, or network video recorders. In analog systems, they're called DVRs, or digital video recorders.
In general, most security camera footage is kept for 30 to 90 days (1 to 3 months the most).
If your CCTV captures images beyond your property boundary, such as your neighbours' property or public streets and footpaths, then your use of the system is subject to the data protection laws. This does not mean you are breaking the law. But it does mean that, as the CCTV user, you are a data controller.
In openstreetmap are surveillance cameras mapped by the users of the openstreetmap community. This maps are not exhaustive but will cover cameras that are not in other databases. I don't know how good the API is to get the position etc. of this cameras.
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The UK has a speed camera database:
http://www.speedcamerasuk.com/locationsdatabase.htm
and each council provides locations of CCTV cameras, a Google search should bring them up:
http://www.google.co.uk/search?hl=en&q=cctv+camera+location&btnG=Search&meta=cr%3DcountryUK|countryGB
though they are usually listed by their street name and not a proper geolocation
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