Results 31 to 40 of about 1,017 (151)

WHU-Stereo: A Challenging Benchmark for Stereo Matching of High-Resolution Satellite Images

open access: yes, 2022
Stereo matching of high-resolution satellite images (HRSI) is still a fundamental but challenging task in the field of photogrammetry and remote sensing.
He, Sheng   +4 more
core   +1 more source

Texture Extraction Techniques for the Classification of Vegetation Species in Hyperspectral Imagery: Bag of Words Approach Based on Superpixels [PDF]

open access: yes, 2020
Texture information allows characterizing the regions of interest in a scene. It refers to the spatial organization of the fundamental microstructures in natural images.
Argüello Pedreira, Francisco Santiago   +2 more
core   +1 more source

Capabilities of Chinese Gaofen-3 Synthetic Aperture Radar in Selected Topics for Coastal and Ocean Observations

open access: yesRemote Sensing, 2018
Gaofen-3 (GF-3), the first Chinese spaceborne synthetic aperture radar (SAR) in C-band for civil applications, was launched on August 2016. Some studies have examined the use of GF-3 SAR data for ocean and coastal observations, but these studies ...
Xiao-Ming Li   +3 more
doaj   +1 more source

Wind speed retrieval from the Gaofen-3 synthetic aperture radar for VV- and HH-polarization using a re-tuned algorithm

open access: yesEuropean Journal of Remote Sensing, 2021
In this study, a re-tuned algorithm based on the geophysical model function (GMF) C-SARMOD2 is proposed to retrieve wind speed from Synthetic Aperture Radar (SAR) imagery collected by the Chinese C-band Gaofen-3 (GF-3) SAR.
Weizeng Shao   +4 more
doaj   +1 more source

Decimeter-Level Geolocation Accuracy Updated by a Parametric Tropospheric Model with GF-3

open access: yesSensors, 2018
GaoFen-3 (GF-3) is a multi-polarization C-band synthetic aperture radar (SAR) satellite in China with a resolution of up to 1 m. Up to now, the geolocation accuracy of GF-3 could be improved to 3 m. According to the current study, there still exist meter-
Wentao Wang, Jiayin Liu, Xiaolan Qiu
doaj   +1 more source

Wide Swath Stereo Mapping from Gaofen-1 Wide-Field-View (WFV) Images Using Calibration [PDF]

open access: yes, 2018
The development of Earth observation systems has changed the nature of survey and mapping products, as well as the methods for updating maps. Among optical satellite mapping methods, the multiline array stereo and agile stereo modes are the most common ...
Chen, R.   +3 more
core   +2 more sources

GF-3 Polarimetric Data Quality Assessment Based on Automatic Extraction of Distributed Targets

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
With the needs of continuous data quality assessment for massive Gaofen-3 (GF-3) polarimetric data, an automatic and efficient quality evaluation method is urgently needed.
Songtao Shangguan   +4 more
doaj   +1 more source

Block Adjustment without GCPs for Chinese Spaceborne SAR GF-3 Imagery

open access: yesSensors, 2018
The Gaofen-3 (GF-3) satellite is the first C-band multi-polarization synthetic aperture radar (SAR) with the ability of high-accuracy mapping in China. However, the Ground Control Points (GCPs) are essential to ensure the accuracy of mapping for GF-3 SAR
Guo Zhang   +9 more
doaj   +1 more source

Estimation of the Conifer-Broadleaf Ratio in Mixed Forests Based on Time-Series Data [PDF]

open access: yes, 2021
Most natural forests are mixed forests, a mixed broadleaf-conifer forest is essentially a heterogeneously mixed pixel in remote sensing images. Satellite missions rely on modeling to acquire regional or global vegetation parameter products.
Tian, Qingjiu   +4 more
core   +2 more sources

Error Source Analysis and Correction of GF-3 Polarimetric Data

open access: yesRemote Sensing, 2018
The GaoFen-3 (GF-3) satellite is the first polarimetric synthetic aperture radar (PolSAR) satellite in China. With a designed in-orbit life of 8 years, it will provide large amounts of PolSAR data for ocean monitoring, disaster reduction, and many other ...
Sha Jiang   +4 more
doaj   +1 more source

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