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Their development for video analysis + existing DVRs = ? - code-flow.club | Q&A

Their development for video analysis + existing DVRs = ?


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There is interest to continue your fun with algorithms of image analysis. Prior to that, worked with one camera connected to the PC via Firewire. Accordingly could write programs on both Windows and Linux.

Maybe someone knows whether it is relatively easy to install your software on already existing stand-alone DVRs? By "relatively simple" I mean a documented process: toolchain, programming guide, ssh access.

And if you use a PC with video capture card?

Or my only option is to use a digital camera in conjunction with a PC and fully write all the software? I would like to integrate with ready-made solutions, because they allow you to view videos through the network, to archive, display images from multiple cameras. I would not like to reinvent the wheel and write everything by yourself.
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There are video recorders on Linux, inside a program will not climb, but you can add to the virtual video device /dev/videoN, and have them feed it to the Registrar. And to generate an image for the virtual camera will have your program using the original image.
The variant with the proxy using the RTSP or MJPEG is also good.
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No, you cannot.
\r
But I can give a few tips:
1) provide the opportunity for you to work in the RTSP client and server. Ie, take a video camera, give as if it were a camera. Write your code is not necessary, take gstreamer
2) make your gstreamer plugin. Then maybe you will get the opportunity to compile it for the processor the camera to fill in on it. Axis built it all on gstreamer
\r
And then maybe for a certain number of registrars, you will receive a work.
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There are DVRs on the basis of quite a full-fledged mini-computers where you want to install. However, these recorders (multi-camera) expensive. Cheap same (with built-in cameras) are usually strongly enclosed — there just does not crawl.
And the idea is certainly interesting. Especially if you connect the logger to the onboard computer to have the ability to change shooting modes as needed; and just, for example, in "night" mode to shoot only moving objects, and MMS'it or send it via email image of people trying to open the car.
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