About a year ago, I went shopping at a new grocery store. To my surprise, this store expected you to take your bagged produce over to a scale, select the variety of fruit or veg and print out a label to apply to the bag. This was done in the name of saving the check-out person the work of having to determine what type of apple or lettuce you'd just heaped into your grocery cart and speed things along. I was a little irritated when I first had to do it, and although I've come to enjoy playing with the machine, I still shudder over the process, as it creates more waste and renders the bag difficult to reuse due to the sticker. However, engineers have created a new check-out scanner/scale and this one is all set to put these produce-section scales with label printers out of business. This new scanner contains a camera that snaps an image of the non-barcoded produce. It compares the picture to its database of images in order to determine whether it is a bunch of bananas, an orange or a bag of brussels sprouts. This way the produce is identified, weighed and price is determined, simply by placing the item or bag on the scanner.
As the Appliances & Kitchen Gadgets blog points out, there are still elements that would require human input. How could the scanner tell whether the produce was organic or conventional? Additionally, some stores price their produce by unit instead of by the pound (four ears of corn for a $1). Would it also be able count quantities? Despite the limitations, it's still an interesting innovation.
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