Best Embedded Platform for OpenCV for standalone industrial application.

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Hi I got this opportunity to build an image processing based solution in a company. I want use openCV on an ARM based microcontroller (preferably or any 32 bit controller with Linux on it). The problem is that the system must be up 24X7 at least for 2 years. My question is --

What are the most stable development boards like beagle-bone or raspberry pi, which can run openCV for such a long time in an industrial environment without fail?

PS: My question might sound dumb but any kind of help will really be appreciable.