In August the Home Office’s Centre for Applied Science and Technology (CAST) published updated information on Testing CCTV Image Quality.
CAST has developed a range of tests to assist system installers and owners to robustly assess the performance of their CCTV systems. The tests are designed to be simple to use and produce results that are easy for a non-technical person to understand. The test system helps with common problems like video compression, changeable viewing resolution and variable transmission bit rate/bandwidth, which can all result in the unpredictable quality of digital CCTV images.
The kit is a set of test images and instructions about how to produce and use them. It includes tests for human identification, vehicle registration number legibility, colour rendition and resolution.