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Remote Sensing, Neural Networks Combine to Measure Tree Height

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ZURICH, April 29, 2022 — Scientists at ETH Zurich’s EcoVision Lab have developed a deep learning framework to map treetop height globally at high resolution, using publicly available optical satellite images as input. The Global Canopy Height Map is the first map of its kind. It could become a critical tool for tracking carbon emissions that contribute to climate change and for planning sustainable regional development. To acquire the data needed for the first global canopy height map, EcoVision Lab researchers drew from two sources: NASA’s Global Ecosystem Dynamics Investigation (GEDI) and the...Read full article

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    Apr 2022
    An acronym of light detection and ranging, describing systems that use a light beam in place of conventional microwave beams for atmospheric monitoring, tracking and detection functions. Ladar, an acronym of laser detection and ranging, uses laser light for detection of speed, altitude, direction and range; it is often called laser radar.
    remote sensing
    Technique that utilizes electromagnetic energy to detect and quantify information about an object that is not in contact with the sensing apparatus.
    The obtaining of measurements from photographs, such as aerial photographs.
    machine learninglidarimage classificationimage captureETH ZurichResearch & Technologyeducationsensingremote sensingenvironmentalphotogrammetryEcoVision Labneural networksdeep learningsatellite imageryconvolutional neural networksgeospatial earth datageospatial datageospatial

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