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Getting the Total Picture, Remotely

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From boosting crop yields to optimizing wind farms, lidar and hyperspectral imagers prove powerful tools in agriculture, energy and scientific research.

HANK HOGAN, CONTRIBUTING EDITOR, [email protected]

Thanks to advances in photonics and image processing, scientists, farmers and others can get a better picture of what’s going on across a landscape. With cameras operating over large swaths of the spectrum and lidar capturing fine structural detail, remote sensing across broad areas is increasingly cost-effective. Using airborne instruments to collect remote sensing data and the proper algorithms provides farmers with plant-level water and nutrient content information, increasing yields while saving water, time and money. Courtesy of Ceres Imaging. Data gathered with remote...Read full article

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    Published: February 2018
    Glossary
    remote sensing
    Remote sensing is a method of data collection and observation where information about objects, areas, or phenomena on Earth's surface is gathered from a distance, typically using sensors onboard satellites, aircraft, drones, or other platforms. This technique enables the monitoring and analysis of Earth's surface and atmosphere without direct physical contact. Remote sensing systems capture electromagnetic radiation (such as visible light, infrared, microwave, or radio waves) reflected or...
    lidar
    Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and generate precise, three-dimensional information about the shape and characteristics of objects and surfaces. Lidar systems typically consist of a laser scanner, a GPS receiver, and an inertial measurement unit (IMU), all integrated into a single system. Here is how lidar works: Laser emission: A laser emits laser pulses, often in the form of rapid and repetitive laser...
    remote sensinglidarhyperspectral imagersCeres Imagingthermal IR imagingHank HoganInternational Space StationGlobal Ecosystem Dynamics Investigation (GEDI )John Dwyerground-based remote sensing Lee AlnesVaisala EnergyFeatures

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