Morphological Expression Model for Geographic Elements Based on the Shape-Tree Principle
In recent years, with the continuous development of online geographic information services, the multiscale online expression of geographic elements and topological information has become a hot research topic. Currently, a large amount of research focuses
Lihong Shi +4 more
doaj +1 more source
3D CITYGML BUILDING MODELS DEVELOPMENT WITH CROSS-SCALE QUERY DATABASE [PDF]
CityGML model-based is now a norm for smart city or digital twin city development for better planning, management, risk-related modelling and other applications. CityGML comes with five levels of details (LoD, in version 2.0) of buildings.
H. Karim +4 more
doaj +1 more source
Polarimetric SAR Image Filtering by Infinite Number of Looks Prediction Technique
Speckle filtering in synthetic aperture radar (SAR) and polarimetric SAR (PolSAR) images is indispensable before the extraction of the useful information.
Mohamed Yahia +4 more
doaj +1 more source
Non-Destructive Water Leak Detection Using Multitemporal Infrared Thermography
Waterleakage detection and localization in distribution networks pipelines is a challenge for utility companies. For this purpose, thermal Infrared Radiation (IR) techniques have been widely applied in the literature.
Mohamed Yahia +5 more
doaj +1 more source
CITYGML APPLICATION DOMAIN EXTENSION FOR 3D STRATA REPRESENTATIONS IN THE SMARTKADASTER SYSTEM: TOWARDS BEYOND CADASTRE PURPOSE IN MALAYSIA [PDF]
Recent advancements in 3D city modelling and emerging trends in implementing and realising Digital Twins motivate the Department of Survey and Mapping Malaysia (JUPEM) to develop and implement SmartKADASTER (SKiP) Phase 2.
C. B. Siew +4 more
doaj +1 more source
Enhancement of SAR Speckle Denoising Using the Improved Iterative Filter
The recent advancement in synthetic aperture radar (SAR) technology has enabled high-resolution imaging capability that calls for efficient speckle filtering algorithms to preprocess radar imagery.
Mohamed Yahia +5 more
doaj +1 more source
Monitoring Building Activity by Persistent Scatterer Interferometry
In many countries globally, information for new buildings is either scarce or incomplete. In an effort to bridge this information gap an approach based on public domain synthetic aperture radar (SAR) satellite data is introduced.
Vasilis Letsios +2 more
doaj +1 more source
Multi-Temporal PSI Analysis and Burn Severity Combination to Determine Ground-Burned Hazard Zones
Forest fires are a seasonal phenomenon in Greece, reoccurring annually and causing adverse impacts on both human-made and natural environments. Our case study focuses on the devastating fire that took place in July 2018 in the second-housing area of Mati,
Vasilis Letsios +2 more
doaj +1 more source
Mangrove forests are an important indicator of blue carbon storage and biodiversity and provide several benefits to the environment. This study showed the first attempt to apply the canonical correlation forest (CCF) model to classify mangroves and ...
Samy I. Elmahdy +2 more
doaj +1 more source
Polarimetric SAR Speckle Reduction by Hybrid Iterative Filtering
Speckle filtering in synthetic aperture radar polarimetry (PolSAR) is essential for the extraction of significant information. In this study, the authors introduced a hybrid iterative filtering scheme.
Mohamed Yahia +4 more
doaj +1 more source

