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When searching for a cheap video card for image recognition all the articles seem to have the AI learning in mind. But that is now what I need. So the use-case is: I have a small laptop based server running homeassistant and surveillance recording software. I am running an image recognition software on the images from 2 cameras ones a minute on the CPU. This is working fine but I would like to increase the frequency and probably even number of cameras. All this while not increasing the power usage a lot and in tight budget. The PC has a single PCIe 1x that can be stuffed with a riser. Is there something that could be just better than CPU or is it a waste of time?

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TPU is what you need.

Coral USB accelerator could be used. enter image description here

They were originally $79.99, but unfortunately availability suffers and its near impossible to find one that that price.

One amazon user said

I use it to offload video motion detection from my frigate home-assistant instance. It moves the load to the TPU, meaning I can run my 7 CCTV cameras at 15 fps. Which previously would not have been possible without putting my CPU at 50% load.

Can be found on amazon and at other retailers, but at a wide range of prices.

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  • Thank you for the answer. My investigation lead me to the same conclusion. Already waiting for the shipment.
    – EdgarK
    Jul 17, 2023 at 8:51

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