University of Wisconsin-Madison engineers have developed a new technique for improving the penetration and resolution of ultrasound—an imaging tool that’s not only commonly used in medicine, but also in everything from building inspections to underwater navigation.
“It’s a new imaging framework,” says Chu Ma, an assistant professor of electrical and computer engineering at UW-Madison. “We are able to show an order of magnitude improvement of resolution compared to conventional ultrasonic imaging.”
She and PhD student Jinuan Lin combined a new imaging technique they call spatial mixing with new computational reconstruction algorithms to collect information from far-field wavelengths—allowing ultrasound to peer deeper into an object with better resolution than conventional methods. The two described the technique, which could expand applications for ultrasound, in the Jan. 31, 2025, issue of the journal Science Advances.
Read the full story here: https://engineering.wisc.edu/news/new-far-field-imaging-technique-brings-deeper-clarity-to-ultrasound/