The Evolution of Surveillance Systems over the Last 30 Years
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The Evolution of Surveillance Systems over the Last 30 Years
Author: Robert BellVideo surveillance, also called CCTV (closed-circuit television), is now more than 30 years old and has had more than its share of technological advancements. As in any industry, the ever-increasing demands of users are driving progress, while technologies evolve to meet them. In the video surveillance industry, three decades of demands have resulted in:
* simpler installation and maintenance,
* better image quality,
* remote control and monitoring,
* cost reductions,
* secure, reliable technology,
* reduced size as well as scalability,
* longer storage of captured video,
* integration into other systems, and
* built-in system intelligence
On its journey, video surveillance has gone through various technology phases. The latest is the move from analog equipment to fully digital, PC- and network-based surveillance systems.
The originals
Video surveillance systems were originally 100% analog systems but they gradually became digital over the decades. Modern systems, using webcams and servers in a start-to-finish digital system, have come a tremendous distance from early analog tube cameras that were connected to VCRs (videocassette recorders).
The brief sections below outline, with broad strokes, the evolution of video surveillance.
VCRs and analog CCTV
The original CCTV systems used analog cameras connected to VCRs for video recording. This is an analog system through-and-through. The VCRs used for surveillance [...] Continue Reading...
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Video Surveillance Washington Do CCTV Camera Systems Work
Video Surveillance Washington Do CCTV Camera Systems Work
Author: safetysecurityCCTV camera systems over the years have captured some defining moments in history. From the last images of the crew of the Challenger to the terrible images of 9/11, CCTV camera systems have been our silent witnesses to moments in modern history that can never be forgotten.
The question remains, however, is using CCTV camera systems really worth it when it comes to documenting criminal activity. Of late, this question has been hotly debated in terms of civil rights and the effectiveness when it comes to evidence in criminal trials. There are statistics that support claims that the effectiveness of CCTV camera systems is lost when their presence is proven to not be very effective in reducing crimes in designated areas. On the other hand, however, there is also data that proves that a significant presence of CCTV camera systems curbs criminal activities and assists the local authorities in securing evidence for prosecutions and trials.
The truth probably lies somewhere in the middle of these arguments, carrying the weight of documented history that CCTV camera systems are not only effective in the solving of criminal cases, but are also a great asset for [...] Continue Reading...
Obviously, there is a lot more to know about video surveillance. This brief article is just a start, and the next step is to do some more research. In any case, the tips in the article set the stage for a more detailed treatment of the subject.Easy Home Surveillance Review- Can This Video Surveillance Software Keep Your Home Safe While Your Away?
Easy Home Surveillance Review- Can This Video Surveillance Software Keep Your Home Safe While Your Away?
Author: Dave Samms
So your out with your family having a good time. You decide to maybe even go out to dinner and a movie and just enjoy the evening. Sounds like a relaxing night you would always want right? After the evening is done you start to head home. As you walk in the door you notice that things are knocked over and alot of your valueable items are now gone.You continue to go through your home and find that your jewelry is now gone along with your credit cards,social security cards, and your drivers license. A fun filled evening with your family turned into a disaster over criminals breaking in and taking expensive items out of your home. We hear these type of stories all the time and hope this never happens to us. But the sad truth is that anyone can be a victim.Is there an inexpensive way to have your home protected without having to pay alot of money for an expensive home security system or have an alarm installed? Can you watch your home without having to get your neighbors [...] Continue Reading...
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Choosing Analog Or IP Camera Systems For Video Surveillance (CCTV)
A lot of readers have voted this blog to be a very good place to start when learning about it. We have sections that tackle the subject in general and we also have an extensive library of specialized information.
Choosing Analog Or IP Camera Systems For Video Surveillance (CCTV)By Abigail HamiltonThe discussion among security and surveillance video manufacturers, systems integrators, and end-users about the relative advantages and indications for different kinds of video installations is easy to oversimplify. Simplification aids end-user decision-making and furthers the business interests of equipment manufacturers and systems integrators. Industry writers also have good incentive to simplify information. The many motives include making a larger point, supporting a specific-case argument, and getting and keeping readers’ attention.
Simplification most often leads to statements like "IP video is more expensive than analog video," which are true with so many exceptions that they are not actually true at all — studies sponsored by interested parties have shown the opposite to be true, and editors and bloggers have covered the studies’ findings widely. In fact, oversimplification often leads to an assertion and its opposite both being true.
Another manifestation of oversimplification is the argument that each installation is so unique that no useful rules-of-thumb can be developed.
In this paper we provide as simple as possible an explanation of the factors which indicate analog, IP, and hybrid IP/analog video systems respectively. This paper seeks to provide a reference for editors, end-users, [...] Continue Reading...
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