What I want to do is to recognize signs on roads using some embedded device with a cam. I was thinking about RaspberryPi 2b, but I don't know if it's power is sufficient. I don't have to analyze every frame of the video, but still the more frames per second I analyze the better especially with high movement speeds.
Question is: Are there any better boards, that could be used for a task like this? (it would be best if they could run Linux/Windows10 on themselves as I am going to use openCV)
for a problem like this you can try to over analyse it and try to pick the hardware before solving the problem. but that is basically the cart before the horse.
first take some video
second digitize it or get it into your daily driver or whatever your preferred software development computer is
start working on the algorithms to solve whatever problem you want to solve, bearing in mind that eventually you want to embed this so you may need to lean more towards lighter weight libraries or roll your own vs heavyweight or operating system dependent solutions (feeding it into photoshop is not a solution, nor is some matlab thing).
you may find that you need better video, important info
eventually you get close to the algorithm and THEN or as you approach the algorithm you can either prototype it on some raspberry pi or beaglebone boards or use a simulator if man hours is cheaper for you that hardware. how many operations per second or per sign or whatever, with some derating how many operations per second do I think i can do on platform X (which is not deterministic, even with experiments as one line of code changed could completely change the performance, esp if on the edge). an instruction set simulator is not going to mimic the pipeline right, but you can take an open source one and modify it to count instructions or types of instructions branches vs non-branches, etc. roughly convert that to clocks, etc. again if hardware is more expensive than man hours. at the price of a raspberry pi and beaglebone black or white it is hard to not just buy one and try it.
a valid stackoverflow question would be, I have this video clip and I am trying to detect whether the car has passed a road sign or not and here is my code but it doesnt work or here is my algorithm but it doesnt work. once past that hurdle another so question could be, I have detected there is a sign in this frame but i cannot detect whether it is a stop sign or yield sign or other, here is my algorithm or code and here are my results and my expected results. another valid so question would be I have this algorithm that works, but I am not able to optimize it for platform X I am close within N percent (needs to be a smallish number less than 20% for example) can this be optimized further.