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Friday, 05 January 2018


Weird, huh? I still sometimes chuckle over two multiple-terabyte external harddrives on my desk, each the size of a pack of playing cards, that I own because somebody else *gave them away.*

Yeah. Every so often I'm reminded of a machine-vision project that didn't happen back in the late 1980s. We could just about achieve the required resolution, frame rate, and event detection with available (albeit very expensive) technology... but storing the video from multiple cameras for many seconds before the event was detected was going to span several washing machines, and there was just no way to shoehorn those into the space available (besides which, it was a vibration-rich environment, and thus not exactly friendly to old-timey disk drives).
Now, the computer and bulk storage would all fit on a credit-card-sized board, and be plenty vibration-resistant. Couldn't use a single MicroSD card for the storage, though; the combined bandwidth from the multiple cameras would be too high, so some cleverness in storage architecture would be required.

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