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A lodged wheat detection algorithm by applying a false alarm rate to the circular-pol correlation coefficient (CCC) and the total scattered power (Span) is proposed. The CCC is first used to identify non-lodged wheat, which is reflection symmetry. The Span feature is introduced to distinguish lodged wheat from canola in the study area, according to their large difference in scattering intensity. The...
A number of earthquakes have occurred in recent years, posing a challenge to Earth observation techniques. Owing to the all-weather response capability, synthetic aperture radar (SAR) has become a key tool for collapse interpretation. As the requirement for multitemporal data is usually not satisfied in practice, interpretation using only postevent SAR imagery is indispensable for emergency rescue...
Petroleum exploration and production in the Yellow River Delta (YRD) can lead to human impacts on the unique YRD wetland ecosystems. There is a strong need for scientific information on long-term ecosystem response to disturbances in YRD and the factors that affect the spatial and temporal pattern of vegetation recovery. High spatial resolution remote sensing images have been successfully used to...
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