Information metamaterials: bridging the physical world and digital world
Over the past 5 years, digital coding and programmable metamaterials have been
developed rapidly since their first exhibition in 2014. The iconic feature of the digital coding …
developed rapidly since their first exhibition in 2014. The iconic feature of the digital coding …
Computational imaging
JN Mait, GW Euliss, RA Athale - Advances in Optics and Photonics, 2018 - opg.optica.org
We review advances in Computational Imaging that have occurred since the mid-1990s. The
advent of highly integrated platforms, such as the smartphone, has made the linkage …
advent of highly integrated platforms, such as the smartphone, has made the linkage …
Machine-learning reprogrammable metasurface imager
Conventional microwave imagers usually require either time-consuming data acquisition, or
complicated reconstruction algorithms for data post-processing, making them largely …
complicated reconstruction algorithms for data post-processing, making them largely …
Coded aperture compressive temporal imaging
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Intelligent meta-imagers: From compressed to learned sensing
C Saigre-Tardif, R Faqiri, H Zhao, L Li… - Applied Physics …, 2022 - pubs.aip.org
Computational meta-imagers synergize metamaterial hardware with advanced signal
processing approaches such as compressed sensing. Recent advances in artificial …
processing approaches such as compressed sensing. Recent advances in artificial …
Learned integrated sensing pipeline: reconfigurable metasurface transceivers as trainable physical layer in an artificial neural network
The rapid proliferation of intelligent systems (eg, fully autonomous vehicles) in today's
society relies on sensors with low latency and computational effort. Yet current sensing …
society relies on sensors with low latency and computational effort. Yet current sensing …
Compressive holography
Compressive sampling enables signal reconstruction using less than one measurement per
reconstructed signal value. Compressive measurement is particularly useful in generating …
reconstructed signal value. Compressive measurement is particularly useful in generating …
[HTML][HTML] Dynamic metamaterial aperture for microwave imaging
We present a dynamic metamaterial aperture for use in computational imaging schemes at
microwave frequencies. The aperture consists of an array of complementary, resonant …
microwave frequencies. The aperture consists of an array of complementary, resonant …
Design considerations for a dynamic metamaterial aperture for computational imaging at microwave frequencies
We investigate the imaging capabilities of a one-dimensional, dynamic, metamaterial
aperture that operates at the lower part of K-band microwave frequencies (17.5–21.1 GHz) …
aperture that operates at the lower part of K-band microwave frequencies (17.5–21.1 GHz) …
Implementation and characterization of a two-dimensional printed circuit dynamic metasurface aperture for computational microwave imaging
We present the design, fabrication, and experimental characterization of a 2-D, dynamically
tuned, metasurface aperture, emphasizing its potential performance in computational …
tuned, metasurface aperture, emphasizing its potential performance in computational …