Results 31 to 40 of about 67,028 (333)
Assessment of the NOAA S-NPP VIIRS Geolocation Reprocessing Improvements
Long-term time series analysis requires consistent data records from satellites. The Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar orbiting Partner (S-NPP) satellite launched in 2011 requires a major effort to produce
Wenhui Wang +4 more
doaj +1 more source
Automatic geolocation of targets tracked by aerial imaging platforms using satellite imagery [PDF]
Tracking of targets from aerial platforms is an important activity in several applications, especially surveillance. Knowled ge of geolocation of these targets adds additional significant and useful information to the application.
P. K. Shukla +3 more
doaj +1 more source
Confounds and Consequences in Geotagged Twitter Data [PDF]
Twitter is often used in quantitative studies that identify geographically-preferred topics, writing styles, and entities. These studies rely on either GPS coordinates attached to individual messages, or on the user-supplied location field in each ...
Eisenstein, Jacob +1 more
core +2 more sources
Ten Years of VIIRS On-Orbit Geolocation Calibration and Performance
The first innovative Visible Infrared Imaging Radiometer Suite (VIIRS) sensor aboard the Suomi National Polar-orbiting Partnership (SNPP) satellite has been in operation for 10 years since its launch on 28 October 2011. The second VIIRS sensor aboard the
G. Lin +4 more
semanticscholar +1 more source
Interpretable Semantic Photo Geolocation [PDF]
Planet-scale photo geolocalization is the complex task of estimating the location depicted in an image solely based on its visual content. Due to the success of convolutional neural networks (CNNs), current approaches achieve superhuman performance ...
Jonas Theiner +2 more
semanticscholar +1 more source
Geolocation Accuracy Assessment of Himawari-8/AHI Imagery for Application to Terrestrial Monitoring
Recent advancements in new generation geostationary satellites have facilitated the application of their datasets to terrestrial monitoring. In this application, geolocation accuracy is an essential issue because land surfaces are generally heterogeneous.
Yuhei Yamamoto +3 more
doaj +1 more source
Towards Real-Time, Country-Level Location Classification of Worldwide Tweets [PDF]
In contrast to much previous work that has focused on location classification of tweets restricted to a specific country, here we undertake the task in a broader context by classifying global tweets at the country level, which is so far unexplored in a ...
Liakata, Maria +5 more
core +3 more sources
Geotagging Twitter messages is an important tool for event detection and enrichment. Despite the availability of both social media content and user network information, these two features are generally utilized separately in the methodology. In this article, we create a hybrid method that uses Twitter content and network information jointly as model ...
Jordan Bakerman +4 more
openaire +2 more sources
A Method for Spaceborne SAR Geolocation Based on Continuously Moving Geometry
Geolocation is a very important step in Synthetic Aperture Radar (SAR) data processing. The precision of geolocation severely affects the applications of SAR images. This paper analyzes the influences on SAR geolocation caused by the traditional “stop-go”
Qiu Xiao-lan +2 more
doaj +1 more source
Geolocation Assessment and Optimization for OMPS Nadir Mapper: Methodology
Onboard both the Suomi National Polar-orbiting Partnership and Joint Polar Satellite System (JPSS) series of satellites, the Ozone Mapping and Profiler Suite Nadir Mapper (OMPS-NM) is a new generation of a total ozone column sensor and is used to ...
Likun Wang +7 more
doaj +1 more source

