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Alluxa - Optical Coatings LB 8/23

New Technique Retrieves Color Images from Scattered Light

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DURHAM, N.C., July 30, 2019 — Engineers at Duke University have developed a method for extracting a color image from a single exposure of light scattered through a mostly opaque material. The new approach overcomes the limitations of conventional optical memory effect techniques in the realm of color, by using spectral coding and compressed sensing to achieve snapshot color imaging through scattering media. The Duke team realized multispectral imaging of objects through scattering media using only a single speckle measurement with a monochrome camera. The researchers used a coded aperture in combination with a...Read full article

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    Published: July 2019
    Glossary
    multispectral imaging
    Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within the electromagnetic spectrum. Unlike hyperspectral imaging, which acquires data across a continuous range of wavelengths, multispectral imaging is characterized by capturing information at several specific, predefined bands. This allows for the extraction of spectral signatures and information from different parts of the spectrum. Key aspects of multispectral imaging...
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    Research & TechnologyeducationAmericasDuke UniversityImagingLight SourcesOpticsSensors & DetectorscamerasPrismsFiltersmultispectral imagingscattered lightspeckle patternshealth careastronomymedicalBiophotonicsoptical memory effect

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