Video Surveillance Technologies – strengths and weaknesses

Thanks to the video surveillance technologies that are available now and that are described in, organisations and governments are able to mitigate the issues caused by security threats to a certain extent together with the iris recognition system as well. Let us now look at the strengths and weaknesses of these technologies.

1. Analogue CCTV Technology

The strengths of the Analogue CCTV Technology are its robustness and its easy-to-install-and-maintain feature. Users will not face any compatibility issues between the DVRs and the cameras. Unlike the CMOS cameras, the cameras of the Analogue CCTV Technology perform better even in low light conditions. Users can get the technology installed at affordable costs.

The weaknesses of the technology are its image resolution is limited, 1 camera will be able to cover only a single traffic lane and the technology does not come with more number of advanced video applications and integrations. The quality, security and reliability of the wireless transmission of this technology is inferior to that of of many other IP technologies.

2. Advanced Analogue CCTV Technology

The strengths of the Advanced Analogue CCTV Technology are similar to those of the Analogue CCTC Technology but providers of this technology have made significant improvements to its features.

3. IP (Network) Technology

The strengths of the IP (Network) Technology are excellent clarity of the pictures thanks to its megapixel resolution, and its robust, interference-resistant and secure signal. Users can add cameras or if they want, they can remove and replace cameras, data-storage devices or the NVR. Users have options for data storage such as remote storage, redundant storage, etc. Users can easily maintain the system and upgrade the software and the firmware of the network devices or the cameras.

The main weakness of this technology is that the performance of its IP camera is inferior to those of analogue cameras. The system is not as robust as the analogue system. Those who choose this system must have good knowledge in the technology and computer networking. Otherwise, there may be issues like missing frames, latency and delays. The cost for setting up the system is high.

4. HD-SDI Technology

Strengths of the High Definition – Serial Digital Interface technology are the resolution of the videos may reach up to 2MP pixels and it is easy to set up, install and operate. It can easily be maintained also. Users will not face any compatibility issues.

The main weakness of this technology is transmission of its video signals may be affected by electrical noise or electromagnetic Interference.

5. HD Analogue CCTV Technologies (AHD, HD-CVI and HD-TVI)

The strengths are similar to those of analogue CCTV systems. But unlike the analogue systems, this technology transmits video, audio as well as serial data. The signals will not be affected by electromagnetic interferences. There will not be issues such as latency. delays, etc. Its low maintenance cost is another great feature.

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