Researchers create prototype of 3D microwave video camera

Posted By : Enaie Azambuja
Researchers create prototype of 3D microwave video camera

 

Missouri University of Science and Technology researchers have developed a real-time, portable and 3D microwave video camera prototype. The Missouri S&T team has developed a microwave 3D video camera that can be used for industrial inspection applications, security screening—and might even one day be used by first responders.

Dr. Mohammad Tayeb Ghasr, assistant research professor at Missouri S&T, and Dr. Reza Zoughi, the Schlumberger Distinguished Professor of Electrical Engineering at Missouri S&T, are the lead researchers on the project.

The real-time 3D microwave camera prototype operates in the 20-30 gigahertz frequency range. "It's like an airport scanner but much smaller," Ghasr says. "It's portable, so it can be used on-site wherever it is needed."

Unlike X-ray inspection systems that could be hazardous, the microwave camera uses low-power non-ionizing electromagnetic waves, which are safe. Given the relatively high and wide range of operating frequencies, it can produce high-resolution 3D images. This, combined with fast electronics, enables data collection at a rate equivalent to 30 image frames per second, rendering it a real-time imaging system.

The camera is ideal for inspection of composite structures that are increasingly used in the transportation, infrastructure, space, aerospace and other similar industries. Because microwave signals can penetrate non-metallic materials, this system is expected to find significant use in inspecting ceramics, fiberglass, plastics and high-density polyethylene pipes.

The combination of portability, 3D and real-time image production capabilities and low power consumption make it an ideal tool for high-throughput screening environments such as stadiums for contraband detection.

In the future, Ghasr also sees its potential use by first responders, especially those dealing with burn victims. The microwave camera, when designed optimally, has the potential to diagnose the severity of a burn so medical personnel can apply the appropriate treatment quickly and safely.

Also working on the project are Matthew Horst, a graduate student in the electrical and computer engineering department from Cape Girardeau, Missouri, who is a NSF Graduate Fellow, and Matthew Dvorsky, a senior in electrical and computer engineering from Peoria, Illinois.

The project was funded in part by the University of Missouri System Fast Track program that provides up to $50,000 per an accepted proposal. This program is intended to enhance the four universities' research discoveries by moving them down the commercial pipeline, toward patents and license agreements.


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