Question about CCTV and self checkout

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The ASDA i go to has installed cctv cameras at each of the self checkout tills. There are about 12. The cameras are attached to a monitor above each of the checkout tills.
1. Does this mean that someone is watching each of the individual self checkout cctv cameras as well as all the cameras that are dotted around the shop?
2. The cameras only seem to record your face and not the item that you are scanning , am i missing something ? are they linked to the till somehow so they know what is being scanned ?
3. This all sounds costly, why not just employ more human beings , about 60% of the time there are checkout lanes which are unstaffed when i go there
1. Does this mean that someone is watching each of the individual self checkout cctv cameras as well as all the cameras that are dotted around the shop?
2. The cameras only seem to record your face and not the item that you are scanning , am i missing something ? are they linked to the till somehow so they know what is being scanned ?
3. This all sounds costly, why not just employ more human beings , about 60% of the time there are checkout lanes which are unstaffed when i go there
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Bearing in mind this was in the late 90s, I expect technology will have moved on considerably since that time.
"No man is worth, crawling on the earth"- adapted from Bob Crewe and Bob Gaudio
Hope is not a strategy
There's nothing quite as effective as a bit of real-time "feedback"
"No man is worth, crawling on the earth"- adapted from Bob Crewe and Bob Gaudio
Hope is not a strategy
There may not be.
There probably is sometimes -- and they may be in a security centre somewhere, not in the store itself.
You will never know -- unless you get caught doing something you shouldn't do.
Incidentally, I'm fairly confident there are mini concealed cameras above the money in and money out slots too.
If you've got nothing to hide, you've got nothing to worry about.
"No man is worth, crawling on the earth"- adapted from Bob Crewe and Bob Gaudio
Hope is not a strategy
As a deterrent it is probably cost effective.
They can identify known persons who have had 'issues' in the past and highlight them
The cameras now can identify a known person when they walk in the store and flag up the picture to the security staff for clarity or intervention with no manual input
Exactly what I thought. If they'd wanted to put in cameras to watch people, they could have done this a lot cheaper by being more covert and not adding in a tablet device to every machine.
Still, it does come in very useful when you need to reapply your lip stick before leaving the store...
Assume that everything you do is being watched and monitored.
We use the self-scanning systems at Tesco and Waitrose whenever we shop there (admittedly only occasionally since Aldi and Lidl upped their game). What amazes me is that Tesco do a rescan quite frequently, but Waitrose haven't rescanned for at least four years.
Different types of customer? I have a theory that part of the algorithm might also relate to the paper you buy.