Articles with "temporal intensity" as a keyword



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A Novel Technique to Measure the Spatial–Temporal Intensity of an Ultrashort Pulse

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Published in 2017 at "Journal of Russian Laser Research"

DOI: 10.1007/s10946-017-9644-6

Abstract: Based on a modified cross-correlation technique, we experimentally demonstrate a technique for measuring the spatial–temporal intensity of laser pulses. Pulse widths at different spatial positions of the ultrashort pulse are measured by changing the scan… read more here.

Keywords: technique; temporal intensity; measure; spatial temporal ... See more keywords
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Removal of rain video based on temporal intensity and chromatic constraint of raindrops

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Published in 2019 at "Evolutionary Intelligence"

DOI: 10.1007/s12065-018-0185-x

Abstract: An improved algorithm of frame time difference is proposed and applied to raindrops removal of video image.This paper analyzes the temporal intensity waveform and chromatic constraint properties of raindrops, and the method is optimized by… read more here.

Keywords: video; rain; temporal intensity; chromatic constraint ... See more keywords
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Temporal intensity interferometry: photon bunching in three bright stars

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Published in 2017 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stx2143

Abstract: We report the first intensity correlation measured with star light since Hanbury Brown and Twiss' historical experiments. The photon bunching g (2) (τ, r = 0), obtained in the photon counting regime, was measured for… read more here.

Keywords: photon bunching; intensity interferometry; bright stars; temporal intensity ... See more keywords
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Temporal intensity interferometry for characterization of very narrow spectral lines

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Published in 2017 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stx968

Abstract: Context: Some stellar objects exhibit very narrow spectral lines in the visible range additional to their blackbody radiation. Natural lasing has been suggested as a mechanism to explain narrow lines in Wolf-Rayet stars. However, the… read more here.

Keywords: temporal intensity; intensity interferometry; spectral lines; narrow spectral ... See more keywords
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Ultrafast Computation of Left Ventricular Ejection Fraction by Using Temporal Intensity Variation in Cine Cardiac Magnetic Resonance.

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Published in 2021 at "Texas Heart Institute journal"

DOI: 10.14503/thij-20-7238

Abstract: Cardiac magnetic resonance enables comprehensive cardiac evaluation; however, intense time and labor requirements for data acquisition and processing have discouraged many clinicians from using it. We have developed an alternative image-processing algorithm that requires minimal… read more here.

Keywords: cine; variation; intensity variation; computation ... See more keywords