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London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#1
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On Sun, 17 Sep 2017 00:12:50 -0000 (UTC), Recliner
wrote: Nobody wrote: On Sat, 16 Sep 2017 09:20:32 -0500, Christopher A. Lee wrote: On Sat, 16 Sep 2017 10:20:13 -0000 (UTC), Recliner wrote: Martin Edwards wrote: On 9/15/2017 10:15 AM, Recliner wrote: wrote: On Fri, 15 Sep 2017 09:47:08 +0100 e27002 aurora wrote: On Fri, 15 Sep 2017 08:19:08 +0000 (UTC), d wrote: Looks like it could be an improvised device, or some builders chemicals that overheated. Hopefully the latter but seems unlikely to me. http://www.bbc.co.uk/news/uk-41278545 There are reports of folks leaving the station with burns on exposed flesh. It sounds like a chemical reaction. We can but hope it's not "the religion of piece" proselytizing. If it is terrorism then it'll almost certainly be down to followers of the peaceful not in any way militant religion of islam. It does appear to be terrorism. Yes. And they've now made an arrest, in Dover. Don't these bombers realise that with all the surveillance videos, they're going to get caught? I dunno why youse guys in the UK aren't (constantly?) up in arms over the seemingly massive surveillance you appear to live under. If anything, people seem to want more of it, as they feel safer with it. This latest Parsons Green case seems to be an example where it paid off. That may well also happen with the homicidal bridge jogger. And please don't launch the "if you've done nothing wrong, you have nothing to fear" defence at me. Why not? It's exactly what most people think. To an outsider, watching your exports of TV programming involving fictional crime (e.g. the rather ancient series 'Scott and Bailey') suggests that a mind-boggling Big Brother watch-it has been around for more than a few years. Yes, it's been around for many years. But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html They can now also be centrally monitored and stored for much longer. And, in some cases, the images are automatically computer-scanned for car number plates (ANPR) and known faces. Your time will come: this is one area where Britain leads and the world follows. |
#2
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Charles Ellson wrote:
On Sun, 17 Sep 2017 00:12:50 -0000 (UTC), Recliner wrote: Nobody wrote: On Sat, 16 Sep 2017 09:20:32 -0500, Christopher A. Lee wrote: On Sat, 16 Sep 2017 10:20:13 -0000 (UTC), Recliner wrote: Martin Edwards wrote: On 9/15/2017 10:15 AM, Recliner wrote: wrote: On Fri, 15 Sep 2017 09:47:08 +0100 e27002 aurora wrote: On Fri, 15 Sep 2017 08:19:08 +0000 (UTC), d wrote: Looks like it could be an improvised device, or some builders chemicals that overheated. Hopefully the latter but seems unlikely to me. http://www.bbc.co.uk/news/uk-41278545 There are reports of folks leaving the station with burns on exposed flesh. It sounds like a chemical reaction. We can but hope it's not "the religion of piece" proselytizing. If it is terrorism then it'll almost certainly be down to followers of the peaceful not in any way militant religion of islam. It does appear to be terrorism. Yes. And they've now made an arrest, in Dover. Don't these bombers realise that with all the surveillance videos, they're going to get caught? I dunno why youse guys in the UK aren't (constantly?) up in arms over the seemingly massive surveillance you appear to live under. If anything, people seem to want more of it, as they feel safer with it. This latest Parsons Green case seems to be an example where it paid off. That may well also happen with the homicidal bridge jogger. And please don't launch the "if you've done nothing wrong, you have nothing to fear" defence at me. Why not? It's exactly what most people think. To an outsider, watching your exports of TV programming involving fictional crime (e.g. the rather ancient series 'Scott and Bailey') suggests that a mind-boggling Big Brother watch-it has been around for more than a few years. Yes, it's been around for many years. But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html I wonder how widely installed those are? Most installed cameras are well behind the state-of-the-art. |
#3
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On Sun, 17 Sep 2017 01:57:40 -0000 (UTC), Recliner
wrote: Charles Ellson wrote: On Sun, 17 Sep 2017 00:12:50 -0000 (UTC), Recliner wrote: Nobody wrote: On Sat, 16 Sep 2017 09:20:32 -0500, Christopher A. Lee wrote: On Sat, 16 Sep 2017 10:20:13 -0000 (UTC), Recliner wrote: Martin Edwards wrote: On 9/15/2017 10:15 AM, Recliner wrote: wrote: On Fri, 15 Sep 2017 09:47:08 +0100 e27002 aurora wrote: On Fri, 15 Sep 2017 08:19:08 +0000 (UTC), d wrote: Looks like it could be an improvised device, or some builders chemicals that overheated. Hopefully the latter but seems unlikely to me. http://www.bbc.co.uk/news/uk-41278545 There are reports of folks leaving the station with burns on exposed flesh. It sounds like a chemical reaction. We can but hope it's not "the religion of piece" proselytizing. If it is terrorism then it'll almost certainly be down to followers of the peaceful not in any way militant religion of islam. It does appear to be terrorism. Yes. And they've now made an arrest, in Dover. Don't these bombers realise that with all the surveillance videos, they're going to get caught? I dunno why youse guys in the UK aren't (constantly?) up in arms over the seemingly massive surveillance you appear to live under. If anything, people seem to want more of it, as they feel safer with it. This latest Parsons Green case seems to be an example where it paid off. That may well also happen with the homicidal bridge jogger. And please don't launch the "if you've done nothing wrong, you have nothing to fear" defence at me. Why not? It's exactly what most people think. To an outsider, watching your exports of TV programming involving fictional crime (e.g. the rather ancient series 'Scott and Bailey') suggests that a mind-boggling Big Brother watch-it has been around for more than a few years. Yes, it's been around for many years. But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html I wonder how widely installed those are? Most installed cameras are well behind the state-of-the-art. At around 200 squid a time possibly roughly the same good/bad quality spread among users applies as before when it seemed to be "TV" quality v. something cheaper ? |
#4
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In message , at 03:29:35 on
Sun, 17 Sep 2017, Charles Ellson remarked: But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html I wonder how widely installed those are? Most installed cameras are well behind the state-of-the-art. At around 200 squid a time possibly roughly the same good/bad quality spread among users applies as before when it seemed to be "TV" quality v. something cheaper ? The cost of CCTV systems is much more than just a consumer grade camera. For public surveillance not only is there the backhaul, but they are often able to pan and tilt, and need much better sensitivity/ illumination than those listed. Have you actually installed and used those cheapo ones? They are OK for the passageway down the side of a shop, but not much else. -- Roland Perry |
#5
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On Sun, 17 Sep 2017 09:40:01 +0100, Roland Perry
wrote: In message , at 03:29:35 on Sun, 17 Sep 2017, Charles Ellson remarked: But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html I wonder how widely installed those are? Most installed cameras are well behind the state-of-the-art. At around 200 squid a time possibly roughly the same good/bad quality spread among users applies as before when it seemed to be "TV" quality v. something cheaper ? The cost of CCTV systems is much more than just a consumer grade camera. For public surveillance not only is there the backhaul, but they are often able to pan and tilt, and need much better sensitivity/ illumination than those listed. Have you actually installed and used those cheapo ones? They are OK for the passageway down the side of a shop, but not much else. There's not much point having pan and tilt if you haven't got someone to operate it; the "do you know this person?" pictures generally seem to come from fixed cameras. The need for moveable cameras is reduced by siting fixed cameras at pinch points; each moveable camera is likely to augment several fixed cameras depending on purpose. When you get to the point of needing to track a specific target then you probably are needing more moveable cameras (and zoom lenses). |
#6
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In message , at 20:05:01 on
Sun, 17 Sep 2017, Charles Ellson remarked: On Sun, 17 Sep 2017 09:40:01 +0100, Roland Perry wrote: In message , at 03:29:35 on Sun, 17 Sep 2017, Charles Ellson remarked: But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html I wonder how widely installed those are? Most installed cameras are well behind the state-of-the-art. At around 200 squid a time possibly roughly the same good/bad quality spread among users applies as before when it seemed to be "TV" quality v. something cheaper ? The cost of CCTV systems is much more than just a consumer grade camera. For public surveillance not only is there the backhaul, but they are often able to pan and tilt, and need much better sensitivity/ illumination than those listed. Have you actually installed and used those cheapo ones? They are OK for the passageway down the side of a shop, but not much else. There's not much point having pan and tilt if you haven't got someone to operate it; the "do you know this person?" pictures generally seem to come from fixed cameras. Tell that to the installers of the tens of thousands of cameras which do pan and tilt. The need for moveable cameras is reduced by siting fixed cameras at pinch points; The moveable cameras tend to be at strategic points where they can cover may different routes. The panning and tilting can be automatic on a timer. Such cameras are more for preventing crime than detecting it. each moveable camera is likely to augment several fixed cameras depending on purpose. When you get to the point of needing to track a specific target then you probably are needing more moveable cameras (and zoom lenses). You've been watching too much "Spooks". -- Roland Perry |
#7
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![]() "Roland Perry" wrote in message ... In message , at 20:05:01 on Sun, 17 Sep 2017, Charles Ellson remarked: On Sun, 17 Sep 2017 09:40:01 +0100, Roland Perry wrote: In message , at 03:29:35 on Sun, 17 Sep 2017, Charles Ellson remarked: But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html I wonder how widely installed those are? Most installed cameras are well behind the state-of-the-art. At around 200 squid a time possibly roughly the same good/bad quality spread among users applies as before when it seemed to be "TV" quality v. something cheaper ? The cost of CCTV systems is much more than just a consumer grade camera. For public surveillance not only is there the backhaul, but they are often able to pan and tilt, and need much better sensitivity/ illumination than those listed. Have you actually installed and used those cheapo ones? They are OK for the passageway down the side of a shop, but not much else. There's not much point having pan and tilt if you haven't got someone to operate it; the "do you know this person?" pictures generally seem to come from fixed cameras. Tell that to the installers of the tens of thousands of cameras which do pan and tilt. The need for moveable cameras is reduced by siting fixed cameras at pinch points; The moveable cameras tend to be at strategic points where they can cover may different routes. The panning and tilting can be automatic on a timer. Such cameras are more for preventing crime than detecting it. each moveable camera is likely to augment several fixed cameras depending on purpose. When you get to the point of needing to track a specific target then you probably are needing more moveable cameras (and zoom lenses). You've been watching too much "Spooks". I never had a problem with spooks following people on CCTV It was the way that there was always magically a "new" real person to take over regardless of the route that the perp took, that was unbelievable. tim -- Roland Perry |
#8
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On 17/09/2017 02:57, Recliner wrote:
Charles Ellson wrote: On Sun, 17 Sep 2017 00:12:50 -0000 (UTC), Recliner wrote: Nobody wrote: On Sat, 16 Sep 2017 09:20:32 -0500, Christopher A. Lee wrote: On Sat, 16 Sep 2017 10:20:13 -0000 (UTC), Recliner wrote: Martin Edwards wrote: On 9/15/2017 10:15 AM, Recliner wrote: wrote: On Fri, 15 Sep 2017 09:47:08 +0100 e27002 aurora wrote: On Fri, 15 Sep 2017 08:19:08 +0000 (UTC), d wrote: Looks like it could be an improvised device, or some builders chemicals that overheated. Hopefully the latter but seems unlikely to me. http://www.bbc.co.uk/news/uk-41278545 There are reports of folks leaving the station with burns on exposed flesh. It sounds like a chemical reaction. We can but hope it's not "the religion of piece" proselytizing. If it is terrorism then it'll almost certainly be down to followers of the peaceful not in any way militant religion of islam. It does appear to be terrorism. Yes. And they've now made an arrest, in Dover. Don't these bombers realise that with all the surveillance videos, they're going to get caught? I dunno why youse guys in the UK aren't (constantly?) up in arms over the seemingly massive surveillance you appear to live under. If anything, people seem to want more of it, as they feel safer with it. This latest Parsons Green case seems to be an example where it paid off. That may well also happen with the homicidal bridge jogger. And please don't launch the "if you've done nothing wrong, you have nothing to fear" defence at me. Why not? It's exactly what most people think. To an outsider, watching your exports of TV programming involving fictional crime (e.g. the rather ancient series 'Scott and Bailey') suggests that a mind-boggling Big Brother watch-it has been around for more than a few years. Yes, it's been around for many years. But instead of the early grainy, very low res, fuzzy, extended play VHS images on worn-out tapes, it's now HD quality, sharp, clear, digital images. Perhaps some are now 4k video quality? How many would sir like ? https://www.cctvcameraworld.com/4k-ip-cameras.html I wonder how widely installed those are? Most installed cameras are well behind the state-of-the-art. All new vehicles (trains, buses, trams, etc) will have had them fitted since they became available. Its older stock and fixed installations that don't get changed so often. I expect there are still a few tube cameras out there more than 30 years after CCD cameras became ubiquitous. -- Graeme Wall This account not read. |
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