Results 21 to 30 of about 36,775,918 (294)

Crop Classification Based on Temporal Information Using Sentinel-1 SAR Time-Series Data

open access: yesRemote Sensing, 2018
With the increasing temporal resolution of space-borne SAR, large amounts of intensity data are now available for continues land observations.
Lu Xu   +4 more
doaj   +1 more source

Comparison of Machine Learning Regression Algorithms for Cotton Leaf Area Index Retrieval Using Sentinel-2 Spectral Bands

open access: yesApplied Sciences, 2019
Leaf area index (LAI) is a crucial crop biophysical parameter that has been widely used in a variety of fields. Five state-of-the-art machine learning regression algorithms (MLRAs), namely, artificial neural network (ANN), support vector regression (SVR),
Huihui Mao   +4 more
doaj   +1 more source

Detectability Analysis of Road Vehicles in Radarsat-2 Fully Polarimetric SAR Images for Traffic Monitoring

open access: yesSensors, 2017
By acquiring information over a wide area regardless of weather conditions and solar illumination, space-borne Synthetic Aperture Radar (SAR) has the potential to be a promising application for traffic monitoring.
Bo Zhang   +4 more
doaj   +1 more source

Multi-Temporal SAR Data Large-Scale Crop Mapping Based on U-Net Model

open access: yesRemote Sensing, 2019
Due to the unique advantages of microwave detection, such as its low restriction from the atmosphere and its capability to obtain structural information about ground targets, synthetic aperture radar (SAR) is increasingly used in agricultural ...
Sisi Wei   +4 more
doaj   +1 more source

Digital | Earth | observation [PDF]

open access: yesEuropean Journal of Remote Sensing, 2021
The transforming world evokes changes in social, environmental, and economic dimensions, pushed by the digitalisation of many, if not all, aspects of our lives. Satellite Earth observation, while being “digital” from early on, has experienced a boost by digitalisation in recent years, with new trend s of cloud processing, data cube infrastructure ...
Stefan Lang, Dirk Tiede, Barbara Riedler
openaire   +2 more sources

Shaping digital earth applications through open innovation – setting the scene for a digital earth living lab [PDF]

open access: yes, 2013
Science and policy increasingly request for sustainable development and growth. Similarly, Digital Earth undergoes a paradigm shift to an open platform that actively supports user engagement.
Schade, Sven   +3 more
core   +1 more source

Urban Building Change Detection in SAR Images Using Combined Differential Image and Residual U-Net Network

open access: yesRemote Sensing, 2019
With the rapid development of urbanization in China, monitoring urban changes is of great significance to city management, urban planning, and cadastral map updating.
Lu Li   +4 more
doaj   +1 more source

Spatiotemporal Variability of Remote Sensing Ocean Net Primary Production and Major Forcing Factors in the Tropical Eastern Indian and Western Pacific Ocean

open access: yesRemote Sensing, 2019
Based on widely used remote sensing ocean net primary production (NPP) datasets, the spatiotemporal variability of NPP is first analyzed over the tropical eastern Indian and western Pacific Ocean for the period 1998⁻2016 using the conventional ...
Fanping Kong   +5 more
doaj   +1 more source

A Remote-Sensing-Driven System for Mining Marine Spatiotemporal Association Patterns

open access: yesRemote Sensing, 2015
Remote sensing is widely used to analyze marine environments. While many effective and advanced methods have been developed, they are generally used independently of each other, despite the potential advantages of combining different modules into an ...
Cunjin Xue   +5 more
doaj   +1 more source

Automated Extraction of the Archaeological Tops of Qanat Shafts from VHR Imagery in Google Earth

open access: yesRemote Sensing, 2014
Qanats in northern Xinjiang of China provide valuable information for agriculturists and anthropologists who seek fundamental understanding of the distribution of qanat water supply systems with regard to water resource utilization, the development of ...
Lei Luo   +7 more
doaj   +1 more source

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