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Identification of black plastics with terahertz time-domain spectroscopy and machine learning
Several optical spectroscopy and imaging techniques have already proven their ability to identify different plastic types found in household waste....
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An achromatic metafiber for focusing and imaging across the entire telecommunication range
Dispersion engineering is essential to the performance of most modern optical systems including fiber-optic devices. Even though the chromatic...
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Confocal LiDAR for remote high-resolution imaging of auto-fluorescence in aquatic media
Spatially resolved in situ monitoring of plankton can provide insights on the impacts of climate change on aquatic ecosystems due to their vital role...
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Optical characteristics of the skin with dark circles using pump-probe imaging
Pump-probe imaging was first used for quantitative analysis of melanin in dark circles’ skin to improve the ability to diagnose and treat dark...
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Monocular metasurface camera for passive single-shot 4D imaging
It is a grand challenge for an imaging system to simultaneously obtain multi-dimensional light field information, such as depth and polarization, of...
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Application of hyperspectral remote sensing for supplementary investigation of polymetallic deposits in Huaniushan ore region, northwestern China
A gold–silver–lead–zinc polymetallic ore was selected in Huaniushan, Gansu Province as the study area. Hyperspectral aerial images as the primary...
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A light-efficient and versatile multiplexing method for snapshot spectral imaging
The study of rapid and stochastic events that involve multiple species, such as chemical reactions and plasma dynamics, requires means to capture...
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Cryogenic technology for infrared detection in space
Cryogenic technology has been developed cooperatively with infrared detection technology, which is of great significance for the development of space...
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Infrared spectroscopic laser scanning confocal microscopy for whole-slide chemical imaging
Chemical imaging, especially mid-infrared spectroscopic microscopy, enables label-free biomedical analyses while achieving expansive molecular...
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Categorization of collagen type I and II blend hydrogel using multipolarization SHG imaging with ResNet regression
Previously, the discrimination of collagen types I and II was successfully achieved using peptide pitch angle and anisotropic parameter methods....
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Hyperspectral evaluation of hepatic oxygenation in a model of total vs. arterial liver ischaemia
Liver ischaemia reperfusion injury (IRI) is a dreaded pathophysiological complication which may lead to an impaired liver function. The level of...
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Ultra-compact snapshot spectral light-field imaging
Ideal imaging, which is constantly pursued, requires the collection of all kinds of optical information of the objects in view, such as...
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Comparison of image registration methods for combining laparoscopic video and spectral image data
Laparoscopic procedures can be assisted by intraoperative modalities, such as quantitative perfusion imaging based on fluorescence or hyperspectral...
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Diagnosing Hirschsprung disease by detecting intestinal ganglion cells using label-free hyperspectral microscopy
Hirschsprung disease (HD) is a congenital disorder in the distal colon that is characterized by the absence of nerve ganglion cells in the diseased...
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Wide-field mid-infrared single-photon upconversion imaging
Frequency upconversion technique, where the infrared signal is nonlinearly translated into the visible band to leverage the silicon sensors, offers a...
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Compressive spectral image fusion via a single aperture high throughput imaging system
Spectral image fusion techniques combine the detailed spatial information of a multispectral (MS) image and the rich spectral information of a...
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X-ray fan beam coded aperture transmission and diffraction imaging for fast material analysis
X-ray transmission imaging has been used in a variety of applications for high-resolution measurements based on shape and density. Similarly, X-ray...
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Non-invasive in vivo hyperspectral imaging of the retina for potential biomarker use in Alzheimer’s disease
Studies of rodent models of Alzheimer’s disease (AD) and of human tissues suggest that the retinal changes that occur in AD, including the...
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A low-cost hyperspectral scanner for natural imaging and the study of animal colour vision above and under water
Hyperspectral imaging is a widely used technology for industrial and scientific purposes, but the high cost and large size of commercial setups have...
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Visualizing localized, radiative defects in GaAs solar cells
We have used a calibrated, wide-field hyperspectral imaging instrument to obtain absolute spectrally and spatially resolved photoluminescence images...
