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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Low Rank Matrix Recovery for Seismic Data Analysis and Blind Superresolution
地震数据分析 盲超分辨率 低秩 矩阵恢复
2023/4/19
Low rank matrix recovery is about reconstructing a low rank matrix from incomplete measurements. It arises frequently in many research areas of science and engineering, for example, machine learning, ...
SEMI AUTOMATED LAND COVER LAYER UPDATING PROCESS UTILIZING SPECTRAL ANALYSIS AND GIS DATA FUSION
NTDB (National Topographic Data Base), Segmentation, Classification, nDSM, data fusion
2018/5/11
Technological improvements made in recent years of mass data gathering and analyzing, influenced the traditional methods of updating and forming of the national topographic database. It has brought a ...
RAPID EXTRACTION OF LANDSLIDE AND SPATIAL DISTRIBUTION ANALYSIS AFTER JIUZHAIGOU Ms7.0 EARTHQUAKE BASED ON UAV IMAGES
Jiuzhaigou earthquake UAV object-oriented landslide extraction spatial distribution analysis
2018/5/14
Jiuzhaigou earthquake led to the collapse of the mountains and formed lots of landslides in Jiuzhaigou scenic spot and surrounding roads which caused road blockage and serious ecological damage. Due t...
GEOSTATISTICAL SEISMIC ANALYSIS AND HAZARD ASSESSMENT; UNITED ARAB EMIRATES
Seismic Hazard, Spatio-temporal Analysis, Directional Distribution Ground Peak Acceleration (GPA) Analytic Hierarchy Process (AHP) United Arab Emirates (UAE)
2018/4/18
Assessing and analyzing the spatial distribution of earthquake events aids in identifying the presence of clustering and reveals hot and cold spots across the study area. Combining the spatial analysi...
GEOSTATISTICAL SEISMIC ANALYSIS AND HAZARD ASSESSMENT; UNITED ARAB EMIRATES
Seismic Hazard Spatio-temporal Analysis Directional Distribution Ground Peak Acceleration (GPA) Analytic Hierarchy Process (AHP) United Arab Emirates (UAE)
2018/5/8
Assessing and analyzing the spatial distribution of earthquake events aids in identifying the presence of clustering and reveals hot and cold spots across the study area. Combining the spatial analysi...
Analysis on variation characteristics of geothermal response in Liaoning Province
Average initial formation temperature Average thermal conductivity Formation temperature recovery Thermal response Liaoning Province
2018/3/23
Due to energy shortage and increasing environmental awareness, resources in shallow underground space have been rapidly exploited and utilized. So that studying variation characteristics of geothermal...
New constraints on shergottite petrogenesis from analysis of Pb isotopic compositional space: Implications for mantle heterogeneity and crustal assimilation on Mars
shergottite Pb isotopes Martian geochemistry crustal assimilation mantle heterogeneity
2017/4/10
Geochemical studies of shergottites (Martian basalts) based on Rb-Sr, Sm-Nd, and Lu-Hf isotopic systematics have
provided clues to understanding the geochemical evolution of the Martian mantle and id...
Thermal stresses analysis of casing string used in enhanced geothermal systems wells
Casing deformation and collapse Pre-tension stress cementing Well completion design Pre-stressed cementing
2018/3/23
In the enhanced geothermal systems wells, casing temperature variation produces casing thermal stresses, resulting in casing uplift or bucking. When the induced thermal stresses exceed casing material...
3D NETWORK ANALYSIS FOR INDOOR SPACE APPLICATIONS
Indoor space 3D modeling network analysis ArcScene geoprocessing model Network Analyst CityEngine
2016/10/14
Indoor space differs from outdoor environments, since it is characterized by a higher level of structural complexity, geometry, as well as topological relations. Indoor space can be considered as the ...
COMPARISON OF UAV-ENABLED PHOTOGRAMMETRY-BASED 3D POINT CLOUDS AND INTERPOLATED DSMs OF SLOPING TERRAIN FOR ROCKFALL HAZARD ANALYSIS
Drones UAV Photogrammetry 3D point clouds Rockfall Structure-from-Motion DSM
2016/10/14
UAVs are expected to be particularly valuable to define topography for natural slopes that may be prone to geological hazards, such as landslides or rockfalls. UAV-enabled imagery and aerial mapping c...
3D BUILDING MODELS SEGMENTATION BASED ON K-MEANS++ CLUSTER ANALYSIS
3D model segmentation cluster segmentation 3D building model K-means++ cluster
2016/10/14
3D mesh model segmentation is drawing increasing attentions from digital geometry processing field in recent years. The original 3D mesh model need to be divided into separate meaningful parts or surf...
LANDSAT-BASED DETECTION AND SEVERITY ANALYSIS OF BURNED SUGARCANE PLOTS IN TARLAC, PHILIPPINES USING DIFFERENCED NORMALIZED BURN RATIO (dNBR)
Landsat dNBR Sugarcane cultivation Agriculture
2016/10/14
The Philippines has a booming sugarcane industry contributing about PHP 70 billion annually to the local economy through raw sugar, molasses and bioethanol production (SRA, 2012). Sugarcane planters a...
GEOSPATIAL ANALYSIS OF URBAN LAND USE PATTERN ANALYSIS FOR HEMORRHAGIC FEVER RISK – A REVIEW
Land Use Land Cover Hemorrhagic Fever Vector Dengue Fever Malaria Lassa Fever
2016/10/14
Human modification of the natural environment continues to create habitats in which vectors of a wide variety of human and animal pathogens (such as Plasmodium, Aedes aegypti, Arenavirus etc.) thrive ...
Analysis of Dust Aerosol by Using Dual-Wavelength Lidar
Dust aerosol Size distribution Dual-wavelength lidar Lidar ratio
2016/3/25
Simulation of dust aerosol optical property is rather difficult, due to its extremely irregular shape, which often brings about
difficulties in transforming its physical properties (such as size dist...
Short-term prediction of ionospheric parameters based on auto-correlation analysis
Ionospheric F region prediction auto-correlation method
2015/10/8
A prediction method based on a simple auto-regressive model has been developed for short-term prediction of ionospheric characteristics. The method determines the auto-correlation function for the hou...