Tech Xplore

Programmable metasurface generates dozens of holograms at once

Over the past few decades, engineers have developed various devices that can create holograms, three-dimensional (3D) or ...
barcauniversal

Flick banking on two Barcelona stars to transform the midfield next season

Barcelona may be linked with the odd midfielder or two in the transfer market, but two of the most important names in the position for Hansi Flick may already be in the squad. Gavi and Marc Bernal are ...
IEEE

Preventing Structural Fragmentation in Metasurface Inverse Design via 2D Fourier Series and Boundary Optimization

Abstract: Discretized metasurfaces offer freeform flexibility in electromagnetic response manipulation, but higher structural resolution causes random generation to produce fragmented pixelated ...
IEEE

Differentiation of Benign and Malignant Masses in Mammogram Using 2D-Fourier–Bessel Intrinsic Band Functions and Improved Feature Space

Abstract: This article proposes a framework based on the 2D-Fourier–Bessel decomposition method (2D-FBDM) and improved feature space for the automatic diagnosis of benign and malignant masses in ...