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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Traceability of Water Pollution: An Inversion Scheme via Dynamic CGO Solutions
水污染 可追溯性 动态CGO解决方案 反演方案
2023/4/21
We aim to find the time-dependent source term in the diffusion equation from the boundary measurement, which allows for the possibility of tracing back the source of pollutants in the environment. Bas...
甲烷（CH4）与CO相比具有优越的经济价值和应用前景，是光还原CO2的理想产品。然而，CO2转化效率低和生产选择性差是其实际应用的障碍。因此，如何开发高效、廉价、可选择性生产高附加值产物的光还原CO2催化剂是一项紧迫而具有挑战性的课题。
MASHUP SCHEME DESIGN OF MAP TILES USING LIGHTWEIGHT OPEN SOURCE WEBGIS PLATFORM
CesiumJS Tilling Scheme Localized Deployment Spatial Data Organization WebGIS
2018/5/14
To address the difficulty involved when using existing commercial Geographic Information System platforms to integrate multi-source image data fusion, this research proposes the loading of multi-sourc...
A CLOUD BOUNDARY DETECTION SCHEME COMBINED WITH ASLIC AND CNN USING ZY-3, GF-1/2 SATELLITE IMAGERY
CNN ASLIC GF-1/2 ZY-3 Imaging platforms
2018/5/14
Remote sensing optical image cloud detection is one of the most important problems in remote sensing data processing. Aiming at the information loss caused by cloud cover, a cloud detection method bas...
A THTEE-DIMENSIONAL VARIATIONAL ASSIMILATION SCHEME FOR SATELLITE AOD
AOD, Aerosol, Data assimilation, Chemical species, WRF/Chem
2018/5/15
A three-dimensional variational data assimilation scheme is designed for satellite AOD based on the IMPROVE (Interagency Monitoring of Protected Visual Environments) equation. The observation operator...
UK Chemistry Researchers Develop Catalyst that Mimics the Z-Scheme of Photosynthesis
UK Chemistry Researchers Catalyst that Mimics Z-Scheme of Photosynthesis
2017/7/24
A team of chemists from the University of Kentucky and the Institute of Physics Research of Mar del Plata in Argentina has just reported a way to trigger a fundamental step in the mechanism of photosy...
LANDSLIDES EXTRACTION FROM DIVERSE REMOTE SENSING DATA SOURCES USING SEMANTIC REASONING SCHEME
Landslides Extraction Semantic Reasoning High Resolution Imagery First Order Logic Disaster Management Prover9
2016/11/30
Using high resolution satellite imagery to detect, analyse and extract landslides automatically is an increasing strong support for rapid response after disaster. This requires the formulation of proc...
PARALLEL IMPLEMENTATION OF MORPHOLOGICAL PROFILE BASED SPECTRAL-SPATIAL CLASSIFICATION SCHEME FOR HYPERSPECTRAL IMAGERY
Hyperspectral Extended Morphological Profile (EMP) spectral-spatial classification parallel processing GPU
2016/11/23
Extended morphological profile (EMP) is a good technique for extracting spectral-spatial information from the images but large size of hyperspectral images is an important concern for creating EMPs. H...
THE PERFORMANCE OF A TIGHT INS/GNSS/PHOTOGRAMMETRIC INTEGRATION SCHEME FOR LAND BASED MMS APPLICATIONS IN GNSS DENIED ENVIRONMENTS
Direct georeferencing Constraint Mobile Mapping System Control points
2016/7/5
The early development of mobile mapping system (MMS) was restricted to applications that permitted the determination of the elements of exterior orientation from existing ground control. Mobile mappin...
The scheme for the database building and updating of 1:10000 Digital Elevation Models
Geospatial data DEM Photogrammetric sampling Cartographic digitisation Specification
2016/5/20
The National Bureau of Surveying & Mapping of China has planned to speed up its development of spatial data infrastructure (SDI) in the coming few years. This SDI consists of four types of digital pro...
A Fully Polynomial Approximation Scheme for Approximating a Sum of Random Variables
Threshold probability Tail probability Approximate counting Counting knapsack FPTAS
2016/1/22
Given n independent integer-valued random variables X 1 , X 2 ,..., X n and an integer C, we study the fundamental problem of computing the probability that the sum X = X 1 + X 2 +···+ X n is at most ...
GEOCHEMICAL SAMPLING SCHEME OPTIMIZATION ON MINE WASTES BASED ON HYPERSPECTRAL DATA
Hazards Hyperspectral Sampling Pollution GIS
2016/1/3
Spatial sampling optimization is an important issue for both geo-chemists and geo-statisticians. Many spatial sampling optimization methods have been previously developed. In this paper, we present a ...
A Scheme of Building Semantic Description of Geographic Processing Services
Internet GIS Semantics System Integration Geographical Services
2015/12/16
In this paper, a systematic scheme of building semantic description of Geographic Processing Services (GPServices) based on ontology is proposed. According to the principle of ontology, GPServices tax...
A LANDCOVER CLASSIFICATION SCHEME FOR HIGH RESOLUTION IMAGERY AND IT’S APPLICATION TO BUSHFIRE PROTECTION IN RESIDENTIAL AREAS
IKONOS DTM landscape object extraction Trees Landcover classification Bushfire prediction
2015/9/17
With the increasing degree of global climate change, bushfires are becoming a major threat to human life and property. A risk assessment of bushfires is dependent on the availability of suitable infor...
There are nine distinguished national parks in Taiwan. Each one has its own wild variety of natural inhabitants and cultural
resources. However, due to the geographical inaccessibility, partially clo...