They can be used to check the interior of a home or building for signs of potential break-ins, to check out the contents of a safe, to identify a missing object, or to look at a suspicious person. It is important that you get the right type of scanner for your needs. The scanners that you choose should be able to identify and discriminate various materials, such as glass, metal, and plastic. These types of scanners also provide a high level of spatial resolution, which is important in protecting your property.
One of the most important functions of security X-ray scanners is the ability to discriminate between different materials. Aventura Scanners use the x-ray absorption properties of different materials to create images. A human operator then reviews the images and determines whether or not they contain hidden threats.
There are many materials discrimination tests available to help evaluate a security system’s capabilities. Most material discrimination systems rely on dual-energy X-ray imaging. This form of image processing allows for the identification of inorganic and organic materials.
However, this test also uses a complicated algorithm to measure the effectiveness of a material. In addition, it is not always possible to accurately distinguish between thick and thin materials. Consequently, a number of other methods have been used to perform the same task.
The best-known method is the Penetrameter Test. It tests the capability of a material discrimination system to detect small changes in the thickness of metals and plastics.
Size of the scanners
The X-ray security scanners market is growing at a rapid pace. Increase in trade activities and rising terror attacks are boosting its growth. In fact, the global X-ray security scanner market is predicted to reach USD 6,410 Million by 2030. X-ray scanners are used to detect metallic and non-metallic objects.
The global x-ray security scanners market is segmented on the basis of component, end-user, geography, and application. It is estimated that Asia-Pacific will lead the market during the forecast period.
Security scanners are being used for scanning airports and Metrorail projects in China and India. These projects are being undertaken to ensure safety for passengers. Moreover, these security systems are also being used in military infrastructure.
Increase in air transportation and increase in airport projects around the world are contributing to the X-ray security scanners market. In addition, the increasing prevalence of contraband requires the screening of cargo.
ANSI system tests for spatial resolution
Spatial resolution is one of the most important image characteristics. It reflects the quality of an image and can be used to monitor a system’s performance. An X-ray security standard, ASTM F792, provides methods for measuring this quality.
The ASTM F792 standard is used by manufacturers and evaluators throughout the world to measure the imaging capabilities of a security X-ray system. As a standard, it measures the ability of a system to resolve closely separated wires, lead numerals through steel, and thin sheets of plastic. Earlier versions of the standard had serious shortcomings. However, recent versions are more comprehensive and address several important issues.
For example, the older version of the standard asked the evaluator to differentiate between steel and plastic. This was not a realistic challenge. Modern systems have materials discrimination tests that provide a more accurate picture of the imaging performance of a system.