Plextek develops new techniques to bring clarity to CCTV surveillance

The new codecs are targeted at wireless systems over very low bandwidth links, including legacy systems and infrastructure. Plextek’s approach takes advantage of the power savings from analogue processing and modulation, whilst providing the flexibility of digital networking.

By embedding intelligent analysis techniques in the HD camera important visual information can be extracted from a high quality source video and forwarded to the system controller at a much lower bit rate than full HD. Consequently, this approach allows the benefits of HD video to be obtained even when network bandwidth is limited.

“With public disorder and violent crime becoming increasingly commonplace, CCTV should be a vital mechanism to help the police identify culprits and secure convictions. However, the quality, particularly in legacy systems, is just not good enough at the moment,” said Graham Tootell, Plextek. “With our new image processing techniques, the technology now exists to dramatically improve CCTV image quality without the need for massive expenditure. This means CCTV images can play a more valuable role in helping police and security services by helping to identify ‘Who?’ as well as the traditional ‘What?’”


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