Articles with "using spectral" as a keyword



Targeted K‐Edge Nanoprobes From Praseodymium and Hafnium for Ratiometric Tracking of Dual Biomarkers using Spectral Photon Counting CT

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202408408

Abstract: Utilizing metal nanoprobes with unique K‐edge identities to visualize complementary biological activities simultaneously can provide valuable information about complex biological processes. This study describes the design and preparation of an innovative pair of K‐edge metal… read more here.

Keywords: edge; using spectral; spectral photon; dual biomarkers ... See more keywords

Navier’s slip condition on time dependent Darcy-Forchheimer nanofluid using spectral relaxation method

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Published in 2019 at "Journal of Central South University"

DOI: 10.1007/s11771-019-4147-y

Abstract: In industrial applications involving metal and polymer sheets, the flow situation is strongly unsteady and the sheet temperature is a mixture of prescribed surface temperature and heat flux. Further, a proper choice of cooling liquid… read more here.

Keywords: spectral relaxation; navier slip; slip condition; relaxation method ... See more keywords

Improved mapping of forest type using spectral-temporal Landsat features

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Published in 2018 at "Remote Sensing of Environment"

DOI: 10.1016/j.rse.2018.02.064

Abstract: Abstract Multi-spectral imagery from the Landsat family of satellites has been used to map forest properties for decades, but accurate forest type characterizations at a 30-m Landsat resolution have remained an ongoing challenge, especially over… read more here.

Keywords: forest type; spectral temporal; date; using spectral ... See more keywords

Optimal input design for system identification using spectral decomposition

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Published in 2020 at "International Journal of Control"

DOI: 10.1080/00207179.2018.1498597

Abstract: ABSTRACT The aim of this paper is to design a band-limited optimal input with power constraints for identifying a linear multi-input multi-output system, with nominal parameter values specified. Using spectral decomposition theorem, the power spectrum… read more here.

Keywords: optimality; spectral decomposition; input; using spectral ... See more keywords

Measuring gloss using spectral reflectance

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Published in 2024 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/ad204a

Abstract: Gloss is historically measured at three angles of incidence, 20°, 60°, and 85°, using a light source filtered to replicate Illuminant C and a colored glass filter designed to reproduce the CIE 1931 photopic luminous… read more here.

Keywords: gloss using; using spectral; reflectance; gloss ... See more keywords

Hyperspectral Anomaly Detection Using the Spectral–Spatial Graph

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2022.3217329

Abstract: Anomaly detection is an important technique for hyperspectral image (HSI) processing. It aims to find pixels that are markedly different from the background when the target spectrum is unavailable. Many anomaly detection methods have been… read more here.

Keywords: spectral spatial; detection; using spectral; anomaly detection ... See more keywords

Large area roughness measurements using spectral speckle correlation

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Published in 2025 at "Optical Engineering"

DOI: 10.1117/1.oe.64.7.074101

Abstract: Abstract. Surface roughness is a critical quality parameter in metal sheet processing, yet the current measurement methods are limited and just capable of assessing areas of up to a few square millimeters in-line. A fast… read more here.

Keywords: spectral speckle; surface; using spectral; roughness ... See more keywords

Real-time optical time interpolation using spectral interferometry.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.450266

Abstract: A simple scheme for all-optical time interpolation using spectral interferometry is put forward that is, in principle, capable of single-shot measurements. In this method, the arrival time of optical timing pulses is encoded into the… read more here.

Keywords: time; optical time; spectral interferometry; using spectral ... See more keywords

Analyzing the impact of glaucoma on the macular architecture using spectral-domain optical coherence tomography

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Published in 2018 at "PLoS ONE"

DOI: 10.1371/journal.pone.0209610

Abstract: Purpose Using spectral domain optical coherence tomography (SD-OCT) the retina can be segmented automatically to visualize all retinal layers. In glaucoma chronically elevated intraocular pressure leads to a decline of retinal ganglion cells (RGC) which… read more here.

Keywords: domain optical; layer; spectral domain; glaucoma ... See more keywords

Improving Built-up Extraction Using Spectral Indices and Machine Learning on Sentinel-2 Satellite Data in Mumbai Suburban District, India

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Published in 2024 at "Traitement du Signal"

DOI: 10.18280/ts.410348

Abstract: Built-up mapping possesses a great challenge owing to the varying spectral signatures and spatial attributes of different features such as buildings, individual houses, roads read more here.

Keywords: spectral indices; indices machine; improving built; using spectral ... See more keywords

Detection of Small-Sized Insects in Sticky Trapping Images Using Spectral Residual Model and Machine Learning

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Published in 2022 at "Frontiers in Plant Science"

DOI: 10.3389/fpls.2022.915543

Abstract: One fundamental component of Integrated pest management (IPM) is field monitoring and growers use information gathered from scouting to make an appropriate control tactics. Whitefly (Bemisia tabaci) and thrips (Frankliniella occidentalis) are two most prominent… read more here.

Keywords: spectral residual; insects; small sized; detection ... See more keywords