HD standard video cameras: We see everything down to the smallest detail.
HD Video Cameras: We See Everything Down to the Smallest Details A video surveillance system provides reliable protection for your property and has proven itself as a reliable, effective, easy-to-manage security tool.
The use of modern video cameras, offered today by various manufacturers, allows you to significantly expand the range of video surveillance capabilities and make it even better.
— Technological Advantages
High definition video is confidently entering our lives: HD (High Definition) video cameras are appearing in our homes. But the importance of the “high definition” characteristic cannot be overestimated in video cameras for security video surveillance systems, where high resolution significantly increases the capabilities of the entire system.
A megapixel camera provides full scene detail, allowing you to see everything in the footage down to the smallest details: individual features of people's faces recorded by the camera, license plates, etc. Using modern format cameras provides more opportunities for video analytics, in other words, it allows you to better understand what is happening. Thus, with the help of digital zoom, the observer can even move on to a close-up look at individual objects, since each object in the scene is described by a large number of pixels.
The widespread introduction of megapixel cameras became possible with the advent of new video compression algorithms, primarily the H.264 format, since compression significantly reduces, without seriously degrading the image quality, the volume of video data obtained by high-resolution cameras. An image compressed with the H.264 codec takes up significantly less disk space than a similar image compressed using other codecs. Due to this, it can be stored in an archive for a long time, and the creation of such archives does not require large funds. Thus, with the advent of new compression algorithms, the transmission and storage of a megapixel image are no longer expensive procedures. New technologies make it possible to transmit images from megapixel cameras over a network without any problems, and this opens up completely new possibilities: broadcasting video images to any location without restrictions. With HDTV cameras, video surveillance solves other problems that were previously difficult to achieve. As an example, we will cite increased control in a shopping area. Thanks to the megapixel camera, the observer can fully control cash transactions, see everything that passes through the hands of the cashier, right down to the banknote numbers.
If the megapixel camera is positioned correctly relative to the area being observed, it can be used without a zoom lens at all. The camera shoots “everything” in a general plan, and then, when viewing the footage, you can use digital zoom to highlight individual parts of the scene. This means, in particular, that the megapixel camera can be used without an operator at all, relying only on signals from various sensors and detectors that will help you find the right places in the archive.
— Economic feasibility
Previously, at complex sites, to achieve the breadth and depth of coverage, it was necessary to use several standard-resolution cameras. The use of modern models in security surveillance systems can provide significant savings in resources, since one megapixel camera, due to technological advantages, can successfully replace several analog standard-resolution cameras. Where 10 analog cameras could have been required before, now only two are used to solve the same problem. For example, if standard-resolution cameras need to be installed every 10-30 meters when guarding the perimeter, then megapixel cameras — every 70-150 meters. And if it is necessary to monitor the territory of the site, then instead of installing several standard-resolution cameras configured for different ranges, today experts advise installing a rotating camera, which, with the help of complex optics, is reconfigured to view different ranges. In combination with a high depth of field, which is ensured by the use of high-quality optics, this gives us the opportunity to observe everything that is happening in a large area. Therefore, purchasing more expensive megapixel cameras for a security system for medium and large facilities will ultimately be less expensive.
Thanks to the competent approach of engineers to the construction and installation, your video surveillance system can become a reliable tool for effective property protection.