Embedded Computer Vision

Embedded Computer Vision

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As a graduate student at Ohio State in the mid-1970s, I inherited a unique c- puter vision laboratory from the doctoral research of previous students. They had designed and built an early frame-grabber to deliver digitized color video from a (very large) electronic video camera on a tripod to a mini-computer (sic) with a (huge!) disk drivea€”about the size of four washing machines. They had also - signed a binary image array processor and programming language, complete with a usera€™s guide, to facilitate designing software for this one-of-a-kindprocessor. The overall system enabled programmable real-time image processing at video rate for many operations. I had the whole lab to myself. I designed software that detected an object in the eldofview, trackeditsmovementsinrealtime, anddisplayedarunningdescription of the events in English. For example: a€œAn object has appeared in the upper right corner...Itismovingdownandtotheleft...Nowtheobjectisgettingcloser...The object moved out of sight to the lefta€a€”about like that. The algorithms were simple, relying on a suf cient image intensity difference to separate the object from the background (a plain wall). From computer vision papers I had read, I knew that vision in general imaging conditions is much more sophisticated. But it worked, it was great fun, and I was hooked.Clearly a large amount of storage space (and therefore cost) can be saved if the storage system need only store video ... Another common use case in security applications is after-the-fact forensic analysis. ... In a retail environment, these may include point-of-sale (POS) systems, inventory management systems, andanbsp;...

Title:Embedded Computer Vision
Author: Branislav Kisačanin, Shuvra S. Bhattacharyya, Sek Chai
Publisher:Springer Science & Business Media - 2008-09-26

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