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hyperspectral imaging News
Earth Imaging Reveals the True State of Land, Sea, and Air
Sep 23, 2020 — Stephen Hawking once said, “Remember to look up at the stars and not down at your feet.” This deep-seated urge to make sense of where we came from and to try to understand what makes the universe tick is a defining aspect of what makes us human. Another uniquely human quality is self-assessment: directing our view inward or, as a species, downward from above to gauge the impact we have on our surroundings. Observations from above can be carried out by unmanned aerial vehicles...
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Drones Deliver a Fresh Take on Airborne Imaging Applications
Aug 27, 2020 — Initially swooping in to provide aerial shots in big-budget movies, UAVs — or drones, in consumer parlance — are now bringing aerial cinematography technology to other applications. Drone-mounted imagers are helping to inspect infrastructure,...
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Optical Frequency Combs Enhance Hyperspectral Imaging
Aug 24, 2020 — An optical frequency comb is an optical source characterized by a spectrum consisting of evenly spaced frequency lines, known as teeth. This Nobel Prize-winning technology has become a reference tool for optical frequency metrology and spectroscopy...
NSF Grant to Advance Sensing and Imaging Technologies for Precision Agriculture
ALEXANDRIA, Va., Aug. 21, 2020 — With a five-year, $26 million grant, the National Science Foundation (NSF) has established the Engineering Research Center for the Internet of Things for Precision Agriculture (ERC IoT4Ag). The center, which is headquartered at the University of...
Hyperspectral Imaging Discerns Authenticity of Artwork
Jul 7, 2020 — Inauthentic artwork is a significant problem within the art world. According to the Fine Arts Expert Institute, as many as half of the pieces in the art market are forgeries, equaling roughly $60 billion in inauthentic work. Current authentication...
Headwall Adds Directors Armstrong and Felsheim
BOLTON, Mass., April 15, 2020 — Headwall Photonics Inc. has hired Karen Armstrong as director of manufacturing and operations, and promoted Christian Felsheim to director of Headwall Photonics Europe. Armstrong most recently served as operations manager at IPG Photonics,...
Hyperspectral and Multispectral Imaging
Mar 3, 2020 — Over the past two decades, hyperspectral imaging and multispectral imaging have been growing in prominence and utility. Although the terms are often conflated, they represent two distinct imaging practices, each fitting its own application spaces....
Technique Interprets Hyperspectral Images Using Phasor Approach
LOS ANGELES, Feb. 28, 2020 — An imaging technique called spectrally encoded enhanced representations (SEER) provides greater clarity and works up to 67 times faster and at 2.7 times greater definition than existing spectral imaging techniques, according to its developers at the...
Plasmonics-Based Light Detector Could Support Precision Agriculture
DURHAM, N.C., Nov. 27, 2019 — A new, broad-spectrum photodetector that can be implemented on a single chip has been developed at Duke University. The photodetector spans a range of light frequencies by using on-chip spectral filters created with electromagnetic materials. The...
CHRSE Partnership Created by Headwall, Geo-konzept
HANNOVER, Germany, Nov. 13, 2019 — Headwall, a designer and manufacturer of complete spectral instrumentation solutions for remote sensing and advanced machine vision, and geo-konzept, a manufacturer of GPS and GIS technologies for agriculture, announced at Agritechnica 2019 the...
Crop Stress Managed with Machine Learning, UAVs, Hyperspectral Imaging
AMES, Iowa, Oct. 1, 2019 — Iowa State University scientists are developing a machine learning system that could automate farmers’ ability to diagnose a range of major stressors in soybeans. The technology will use cameras attached to unmanned aerial vehicles (UAVs) to gather...
Terahertz Imaging System on a Chip Offers Speed and Portability
PRINCETON, N.J., July 29, 2019 — An imaging system developed at Princeton University uses lasers small enough to fit on a microchip, and emits and detects electromagnetic radiation at terahertz (THz) frequencies. The new system, which is based on a semiconductor design, uses a...
MIR Upconversion Imaging Could Speed Medical Diagnostics
LYNGBY, Denmark, June 4, 2019 — Researchers from multiple institutions collaborated to develop a way to translate information from the mid-infrared (MIR) region, where chemical signatures are most distinct, to the near-infrared (NIR), where existing camera technology is most...
Image Spectrometer Captures and Calibrates Record Amounts of Data Rapidly
HOUSTON, May 21, 2019 — Researchers at Rice University have developed a compact, fiber-based image spectrometer for remote sensing. Called the Tunable Light-Guide Image Processing Snapshot Spectrometer (TuLIPSS), the device combines high spatial resolution with large...
Headwall Photonics Taps Battistoni to Lead Worldwide Sales, Marketing
BOLTON, Mass., May 10, 2019 — Donald Battistoni has joined Headwall Photonics as vice president of sales and marketing where he is leading and developing the company’s commercial organization.
Single-Shot Spectrometer Offers Portability, High Resolution
MADISON, Wis., April 12, 2019 — Engineers at the University of Wisconsin-Madison have developed a compact, single-shot, free-space-coupled spectrometer with hyperspectral imaging capabilities that can be integrated with a cellphone. The spectrometer is fabricated on top of and...
NIR Imaging System Could ID Hard-to-Detect Cancers Earlier
CAMBRIDGE, Mass., March 12, 2019 — An optical imaging system developed by MIT researchers could enable physicians to identify tiny tumors deep within the body, leading to earlier detection and treatment of cancer. The researchers call their system DOLPHIN, which stands for “Detection...
Coral Health Monitored with Robots, Hyperspectral Imaging
BRISTOL, England, March 12, 2019 — A fluorescence hyperspectral camera mounted on an underwater remotely operated vehicle (ROV) is being developed by scientists at the University of Bristol and Sealife London Aquarium to cost-effectively monitor coral health. Corals and the...
ICFO Showcases Graphene-Based Wearables at MWC 2019
BARCELONA, Spain, Feb. 25, 2019 — A new device from the Institute of Photonic Sciences (ICFO) will allow users to monitor their level of exposure to sunlight through a UV sensor. Designed as a flexible, transparent, disposable patch, it connects to a mobile device and alerts the...
Medical Lasers Find Biophotonics Niche
Jan 28, 2019 — Because lasers can offer less-invasive procedures for both diagnosis and treatment, their role in the medical field is on the rise. Lasers can be modulated in wavelength, power, density, and energy, and they have a wide range of applications in...
Hyperspectral Imaging Could Automate, Improve Plastics Recycling
EXTREMADURA, Spain, and COPENHAGEN, Jan. 24, 2019 — A new method using NIR hyperspectral imaging (HSI) and chemometrics could make it possible to sort between different types of plastic and between different flame retardants added to plastic, a necessity for recycling plastics more economically. The...
Hyperspectral Imager Will Communicate Climate Changes from Space
ESPOO, Finland, Dec. 24, 2018 — The photos from a tiny IR hyperspectral camera, taken from aboard a nanosatellite that has now reached space, could provide information useful for managing the effects of climate change. The Reaktor Hello World nanosatellite was launched into space...
Time-Resolved Technique Could Provide High Resolution for THz Imaging
BRIGHTON, England, Aug. 30, 2018 — Using a single-pixel camera operating at THz frequencies, researchers at the University of Sussex have discovered a way to capture with a high degree of accuracy not just the shape of an object, but also its chemical composition. The technique uses...
5D HSI Measures Shape and Spectral Characteristics as a Function of Time
JENA, Germany, Aug. 29, 2018 — A 5D hyperspectral imaging system (HSI) — so-called because it captures multiple wavelengths of light plus spatial coordinates as a function of time — has been developed by a team at Friedrich Schiller University Jena and the Fraunhofer...
Graphene Photodetector Demonstrates Speed, High Responsivity
LOS ANGELES, July 5, 2018 — A new photodetector, made with graphene, can operate across a broader range of wavelengths and process images faster than existing photodetectors. The detector is also more sensitive to low levels of light than current technology. Researchers from...
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