English
Related papers

Related papers: Artificial color perception using microwaves

200 papers

Hidden sector photons are a weakly interacting slim particle arising from an additional U(1) gauge symmetry predicted by many standard model extensions. We present and demonstrate a new experimental method using a single microwave cavity to…

Instrumentation and Detectors · Physics 2015-05-28 Rhys G. Povey , John G. Hartnett , Michael E. Tobar

Continuous-wave lasers generated bubbles in microfluidic channels are proposed for applications such as needle-free jet injection due to their small size and affordable price of these lasers. However, water is transparent in the visible and…

Fluid Dynamics · Physics 2024-10-14 Jelle J. Schoppink , Nicolás Rivera Bueno , David Fernandez Rivas

We present an intelligent programmable computational meta-imager that tailors its sequence of coherent scene illuminations not only to a specific information-extraction task (e.g., object recognition) but also adapts to different types and…

Signal Processing · Electrical Eng. & Systems 2022-12-13 Chenqi Qian , Philipp del Hougne

The wavelength calibration of spectrographs is an essential but challenging task in many disciplines. Calibration is traditionally accomplished by imaging the spectrum of a light source containing features that are known to appear at…

Instrumentation and Methods for Astrophysics · Physics 2018-04-04 Neil Thomas

Color Constancy is the ability of the human visual system to perceive colors unchanged independently of the illumination. Giving a machine this feature will be beneficial in many fields where chromatic information is used. Particularly, it…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Oleksii Sidorov

Combined microwave-optical pump-probe methods are emerging to study the quantum state of spin qubit centers and the charge dynamics in semiconductors. A major hindrance is the limited bandwidth of microwave irradiation/detection circuitry…

Applied Physics · Physics 2020-10-27 S. Kollarics , A. Bojtor , K. Koltai , B. G. Márkus , K. Holczer , J. Volk , G. Klujber , M. Szieberth , F. Simon

In this letter we introduce a new type of infrared sensor, based on thermocouple nanoantennas, which enables the energy detection and gathering in the mid-infrared region. The proposed detector combines the Seebeck effect, as a transduction…

In this paper, we study the problem of reproducing the world lighting from a single image of an object covered with random specular microfacets on the surface. We show that such reflectors can be interpreted as a randomized mapping from the…

Computer Vision and Pattern Recognition · Computer Science 2014-12-30 Zhengdong Zhang , Phillip Isola , Edward H. Adelson

In this paper, we propose a numerical strategy to define a multiscale analysis for color and multicomponent images based on the representation of data on a graph. Our approach consists in computing the graph of an image using the…

Computer Vision and Pattern Recognition · Computer Science 2015-10-28 Mohamed Malek , David Helbert , Philippe Carre

In this paper, we focus our attention on the following question: How well can we recover the power spectrum of the cosmic microwave background from the maps of a given experiment?. Each experiment is described by a a pixelization scale, a…

Astrophysics · Physics 2016-08-15 D. Sáez , J. V. Arnau

The guiding and transport of energy, for example of electromagnetic waves underpins many technologies that have shaped modern society, ranging from long distance optical fibre telecommunications to on-chip optical processors. Traditionally,…

We experimentally demonstrate the up-conversion of light carrying an image from the infrared spectrum to the visible spectrum using four-wave mixing via a ladder-type configuration in an atomic vapor. The results we obtained show the high…

We present measurements on microwave spectroscopy on a double quantum dot with an on-chip microwave source. The quantum dots are realized in the two-dimensional electron gas of an AlGaAs/GaAs heterostructure and are weakly coupled in series…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. W. Holleitner , H. Qin , F. Simmel , B. Irmer , R. H. Blick , J. P. Kotthaus , A. V. Ustinov , K. Eberl

Deep learning has become an extremely effective tool for image classification and image restoration problems. Here, we apply deep learning to microscopy, and demonstrate how neural networks can exploit the chromatic dependence of the…

Optics · Physics 2018-07-05 Eran Hershko* , Lucien E. Weiss* , Tomer Michaeli , Yoav Shechtman

We demonstrate partial-transfer absorption imaging as a technique for repeatedly imaging an ultracold atomic ensemble with minimal perturbation. We prepare an atomic cloud in a state that is dark to the imaging light. We then use a…

For more than a century, artificial lighting has served mainly for illumination. Only recently, we start to transform our lighting infrastructure to provide new services such as indoor localization and network connectivity. These innovative…

Networking and Internet Architecture · Computer Science 2017-04-06 Qing Wang , Marco Zuniga

Recent colorization works implicitly predict the semantic information while learning to colorize black-and-white images. Consequently, the generated color is easier to be overflowed, and the semantic faults are invisible. As a human…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Man M. Ho , Lu Zhang , Alexander Raake , Jinjia Zhou

Liquid scintillators underpin a wide range of radiation detectors, including those used in neutrino physics, but typically rely on organic fluors dissolved in hazardous and costly solvents. Here, we show that carbon dots - nanoscale…

Instrumentation and Detectors · Physics 2026-04-01 D. W. King , K. Samokovlisky , D. Panova , A. Dimitrichenko , L. Umrikhin , T. Katori , A. Rakovich

Microwave-to-optical quantum transducers will enable coherent interconnection between distant superconducting quantum devices. Ongoing explorations with several platforms have shown promising results at single-photon levels. However, in all…

Quantum Physics · Physics 2026-05-05 Ujjwal Gautam , Nasser Gohari Kamel , Sourabh Kumar , Daniel Oblak

Given a grayscale photograph as input, this paper attacks the problem of hallucinating a plausible color version of the photograph. This problem is clearly underconstrained, so previous approaches have either relied on significant user…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Richard Zhang , Phillip Isola , Alexei A. Efros