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IMAGING FEATURES
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...
Photonics Spectra, Nov 2020
Member Exclusive
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,...
Photonics Spectra, Oct 2020
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How Vision Systems Can Deliver More than the Sum of Their Parts Aug 25, 2020 — The use of both 3D-imaging technology and smart cameras is expanding the flexibility and capabilities of machine vision systems. Integrating these elements with advanced image preprocessing and intelligent software can further enable automated...
Photonics Spectra, Oct 2020
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...
Photonics Spectra, Oct 2020
Raman Imaging Opens View to Diagnosis and Discovery Aug 13, 2020 — By revealing the chemical composition of samples, Raman microscopy has proved to be useful in many fields, including medical diagnosis, materials science, cosmetics, and food science. For the researcher, clinician, or engineer, it is most useful...
BioPhotonics, Oct 2020
3D Thermophotonic Imaging Informs Biomedicine Aug 13, 2020 — Imaging plays an important role in disease prevention, diagnosis, and treatment, and new technologies are helping to overcome many limitations to resolution and depth. Early diagnosis of diseases can alter the path of treatment and its efficiency...
BioPhotonics, Oct 2020
Portable Microscopy Leverages Advancements in Electronics and Computing Aug 12, 2020 — Spurred by Moore’s law, the principle that the number of transistors on a microchip doubles every two years, the miniaturization of electronic components has resulted in optical devices shrinking as well. While etendue (a characteristic of light and...
BioPhotonics, Oct 2020
Vision Systems Perform Vital Checks on Medical Devices Jul 30, 2020 — Medical device manufacturing encompasses products that go inside the body, such as catheters and artificial joints. Other manufactured goods in this category include external devices that measure vital signs and other medically important parameters,...
Vision Spectra, Sep 2020
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...
Vision Spectra, Sep 2020
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....
Photonics Spectra, Apr 2020
Advancements in Telecentric Technology Feb 3, 2020 — The discipline of machine vision encompasses imaging technologies and methods to perform automatic inspection and analysis in various applications, such as verification, measurement, and process control. Driven by trends in Industry 4.0, machine...
Photonics Spectra, Mar 2020
Coded Aperture Correlation Holography Jan 28, 2020 — Coded aperture correlation holography (COACH) is a recently developed 3D-imaging technology. It began as a regular in-line, two-beam interference holography and has evolved into an interferenceless technique based on a working principle entirely...
Photonics Spectra, Mar 2020
Imaging Technology, Experimentation Converge at SPIE BiOS Dec 18, 2019 — A host of researchers and industry experts will descend on SPIE BiOS 2020 in February to expound upon — and demonstrate — the ability of optical technologies to analyze, diagnose, and treat a multitude of medical conditions that clinicians grapple...
BioPhotonics, Feb 2020
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Better Biomedicine via 3D Imaging Oct 23, 2019 — Advancements in biomedical 3D imaging promise to improve research findings and clinical outcomes, thereby producing widespread benefits. In research, a combination of techniques will enable high-speed visual 3D imaging effectively below the...
Photonics Spectra, Dec 2019
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The Eyes Behind Surgical Robots Oct 22, 2019 — The first robotic surgery took place in 1985 when the PUMA 560 was used in a stereotaxic operation in which computed tomography (or x-ray) was used intraoperatively to guide a robot as it inserted a needle into the brain for biopsy. In the late...
Photonics Spectra, Apr 2020
Deconvolution Helps Break Down Imaging Barriers Oct 11, 2019 — Deconvolution is a computationally intensive image processing technique used to improve the contrast and sharpness of images captured with a light microscope. Light microscopes are diffraction limited, which means they are unable to resolve...
BioPhotonics, Dec 2019
The American Society for Cell Biology Looks to Convert Research into Reality Oct 7, 2019 — The 2019 Annual Meeting and Conference of the American Society for Cell Biology and European Molecular Biology Organization (ASCB|EMBO) will be held Dec. 7-11 at the Walter E. Washington Convention Center in Washington, D.C. Attendees will learn...
BioPhotonics, Dec 2019
Fluorescence Microscopy: Getting the Picture Right Sep 18, 2019 — Fluorescence microscopy is a very broadly used term covering numerous applications. It ranges from basic life science applications such as time-lapse cell viability assays — in which dead cells are counted as they start to fluoresce by intrusion of...
BioPhotonics, Sep 2019
VIS-OCT Opens Eyes to New Approaches Aug 14, 2019 — First reported in 1991 by Huang and colleagues, OCT has become an important imaging tool for ophthalmology following innovations over the past three decades. OCT noninvasively provides 3D in vivo optical biopsy with microscopic resolution in the eye...
BioPhotonics, Sep 2019
Open-Source Photon Counting Advances Biological Research Aug 8, 2019 — A surgeon removing a malignant tumor, a security agent detecting harmful molecules at a stadium, an autonomous car avoiding a collision, a weather satellite spotting hurricane formations, a neuroscientist tracking neuronal activity deep within the...
BioPhotonics, Sep 2019
For Carmakers, Inspection Flexibility Makes the Difference Jul 11, 2019 — Building a car is a complex process, and it’s getting more complex every year. There are thousands of parts to inspect for quality and conformance to ever tighter specifications. What’s more, these parts must be tracked, and variations...
Vision Spectra, Sep 2019
Fixing Image Warping Caused by Heat-Induced Turbulence Jul 5, 2019 — It is well known from astronomical imaging that numerous atmospheric conditions and weather effects have an impact on image quality. This is caused by local changes in the refractive index of the air in the optical path. These changes are...
Vision Spectra, Sep 2019
Optical Advancements Enable High-Precision 3D Imaging Jun 19, 2019 — As robotics and automation change the face of manufacturing, demands on industrial inspection have increased. Advancements in engineered point spread function (E-PSF) technology are now allowing manufacturers to incorporate high-resolution 3D...
Vision Spectra, Jun 2019
Laser Triangulation Tackles Imaging Tasks Big and Small Jun 16, 2019 — Spurred by technological advancements, 3D vision has in recent years moved into the mainstream of automation. The benefits of 3D are increasingly in demand and, as a consequence, the number of vendors offering it has grown dramatically, while the...
Vision Spectra, Jun 2019
Great Expectations for Vision-Guided Robotics Jun 15, 2019 — As the manufacturing world considers the potential for Industry 4.0, machine vision for industrial robotic guidance continues to be a critical enabling technology for realizing the diverse needs of flexible automation and smart manufacturing,...
Vision Spectra, Jun 2019
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