New, fundamental limit to 'seeing and believing' in imaging
Answers to big questions increasingly require access to the realm of the very small.
General Physics
Aug 28, 2019
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208
News tagged with image noise
Holometer rules out first theory of space-time correlations
The extremely sensitive quantum-spacetime-measuring tool will serve as a template for scientific exploration in the years to come.
General Physics
Dec 4, 2015
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New technique for visualizing blood flow involves carbon nanotubes and lasers
(Phys.org)—Stanford scientists have developed a fluorescence imaging technique that allows them to view the pulsing blood vessels of living animals with unprecedented clarity. Compared with conventional imaging techniques, ...
Bio & Medicine
Dec 2, 2012
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Multifunctional nanoparticle enables new type of biological imaging
Spotting a single cancerous cell that has broken free from a tumor and is traveling through the bloodstream to colonize a new organ might seem like finding a needle in a haystack. But a new imaging technique from the University ...
Bio & Medicine
Jul 27, 2010
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Building images photon-by-photon to increase the information content provided by microscopes
The world of laser scanning microscopy is quickly evolving, thanks to the advent of fast and compact detector arrays. These arrays replace the typical single-element detector of traditional confocal laser scanning microscopes, ...
Optics & Photonics
Feb 6, 2024
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37
Complex-domain neural network advances large-scale coherent imaging
Computational imaging has the potential to revolutionize optical imaging by providing wide field-of-view and high-resolution capabilities. Joint reconstruction of amplitude and phase—known as "coherent imaging or holographic ...
Optics & Photonics
Jul 27, 2023
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479
Research group publish open-source 3D structured illumination microscopy reconstruction platform
Structured illumination microscopy (SIM) has emerged as the most powerful super-resolution technique for live cell imaging, owing to its inherent advantages of high speed, low phototoxicity, and compatibility with various ...
Cell & Microbiology
Jul 25, 2023
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27
Wide view of early universe hints at galaxy among earliest ever detected
Two new images from NASA's James Webb Space Telescope show what may be among the earliest galaxies ever observed. Both images include objects from more than 13 billion years ago, and one offers a much wider field of view ...
Astronomy
Aug 4, 2022
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Terahertz imaging reveals hidden inscription on early modern funerary cross
In a multidisciplinary project, researchers at the Georgia Institute of Technology and Georgia Tech-Lorraine used terahertz imaging and signal processing techniques to look beneath the corroded surface of a 16th-century lead ...
Archaeology
Apr 25, 2022
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248
Light derails electrons through graphene
The way electrons flow in a material determines its electronic properties. For example, when a voltage is sustained across a conducting material, electrons start flowing, generating an electrical current. These electrons ...
Nanophysics
Mar 24, 2022
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