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利用变异函数估计SAR影像海冰参数
遥感 SAR影像 海冰空间结构 变异函数
2016/12/29
随着遥感技术的不断发展,SAR(Synthetic Aperture Radar,合成孔径雷达)影像开始广泛用于空间数据分析.本文在随机几何和空间统计学的基础上,利用随机模型和空间统计学测度解译SAR影像海冰空间结构.在传统二阶变异函数的基础上,创新性地提出一阶变异函数,并以此刻画SAR影像海冰空间结构,从而更加全面、准确地辨识各种类型海冰结构.该方法将SAR影像海冰空间结构建模成两随机函数的线性...
OIL SPILL MANAGEMENT SUPPORTING SYSTEM IN MALAYSIAN MARINE ENVIRONMENTS
Spatial Information Science Decision Support Knowledge base Marine Coast Environment Pollution Management
2015/6/1
Oil pollution is one of the main problems affecting the marine coastal environments in Malaysia. This paper describes the development of a decision support system for oil spill management for the Stra...
LOW COST DIGITAL PHOTOGRAMMETRY FOR UNDERWATER ARCHAEOLOGICAL SITE SURVEY AND ARTIFACT ISERTION. THE CASE STUDY OF THE DOLIA WRECK IN SECCHE DELLA MELORIA-LIVORNO-ITALIA
Underwater Photogrammetry Marine Archaeology VRML XML archaeological typology
2015/5/25
In the frame of the new ‘CIPA, Heritage, Documentation’ task group dedicated to underwater photogrammetry three laboratories from different disciplines have started to work together. We present here a...
MULTI-SCALE MONITORING OF LANDSCAPE CHANGE AFTER THE 2011 TSUNAMI
Tsunami Landscape change Monitoring
2015/5/7
The Great East Japan Earthquake (magnitude 9.0; occurred on 11th March 2011) and subsequent huge tsunami caused widespread damage along the Pacific Ocean coast of eastern Honshu, Japan. This researc...
Validation of aerosol estimation in atmospheric correction algorithm ATCOR
Image processing Atmospheric correction
2015/5/7
Atmospheric correction of satellite images is necessary for many applications of remote sensing, i.e. computation of vegetation indices and biomass estimation. The first step in atmospheric correcti...
GEOMATICS FOR MAPPING OF GROUNDWATER POTENTIAL ZONES IN NORTHERN PART OF THE UNITED ARAB EMIRATIS - SHARJAH CITY
Groundwater mapping Photogrammetry
2015/5/6
In United Arab Emirates (UAE) domestic water consumption has increased rapidly over the last decade. The increased demand for high-quality water, create an urgent need to evaluate the groundwater pr...
天津大学海洋科学与技术学院张安民教授（图）
天津大学海洋科学与技术学院 教授 GIS 海洋测绘 e-航海
2017/3/20
张安民，2014.04至今，天津大学海洋科学与技术学院，研究员。研究领域：GIS、海洋测绘、e-航海。代表学术论文及专利：[1]张安民；基于公共无线网络的内河船舶管理与信息服务系统研究；中国海事；第3期；2013.03；38-42。
UNDERWATER PHOTOGRAMMETRY AND 3D RECONSTRUCTION OF MARBLE CARGOS SHIPWRECK
Cultural Heritage Maritime archaeology Underwater Survey Multi-image photogrammetry 3D modelling GPS
2015/4/23
Nowadays archaeological and architectural surveys are based on the acquisition and processing of point clouds, allowing a high metric precision, essential prerequisite for a good documentation. Digita...
UTILIZING UNDERWATER THREE-DIMENSIONAL MODELING TO ENHANCE ECOLOGICAL AND BIOLOGICAL STUDIES OF CORAL REEFS
Coral Reefs Coral Ecology Habitat Photogrammetry Structure-from-Motion Structural Complexity 3D topographic reconstruction 3D underwater modeling
2015/4/23
The structural complexity of coral reefs profoundly affects the biodiversity, productivity, and overall functionality of reef ecosystems. Conventional survey techniques utilize 2-dimensional metrics t...
MICROVEGA (MICRO VESSEL FOR GEODETICS APPLICATION): A MARINE DRONE FOR THE ACQUISITION OF BATHYMETRIC DATA FOR GIS APPLICATIONS
Marine AUSV Open Prototype Morpho - Bathymetric Survey GIS application Bathymetric data interpolation 3D elaboration
2015/4/23
Bathymetric data are fundamental to produce navigational chart and sea-floor 3D models. They can be collected using different techniques and sensors on board of a variety of platforms, such as satelli...
COURSE OUTLINE FOR A SCUBA DIVING SPECIALITY "UNDERWATER SURVEY DIVER"
Underwater Safety Open Water Considerations Educational Standards Learning Objectives Course Outline Scuba Speciality
2015/4/23
The purpose of this paper is to outline a course for the training of divers with a special interest in underwater surveying (e.g. surveyors, archaeologists, biologists, geologists, photographers/video...
BUILDING A 3D REFERENCE MODEL FOR CANAL TUNNEL SURVEYING USING SONAR AND LASER SCANNING
3D Bathymetry Data processing and 3D Modeling Reference control and accuracy assessment
2015/4/23
Maintaining canal tunnels is not only a matter of cultural and historical preservation, but also a commercial necessity and a security issue. This contribution adresses the problem of building a full ...
INSTRUMENTS AND METHODOLOGIES FOR THE UNDERWATER TRIDIMENSIONAL DIGITIZATION AND DATA MUSEALIZATION
ScubaLibre Survey Tridimensional Underwater Archeology Musealization Computer vision Stereoscopy
2015/4/23
In the research started within the SINAPSIS project of the Università degli Studi Suor Orsola Benincasa an underwater stereoscopic scanning aimed at surveying of submerged archaeological sites, integr...
USING A MULTIBEAM ECHOSOUNDER TO MONITOR AN ARTIFICIAL REEF
Artificial reef multibeam echosounder bathymetry scouring seafloor mapping bulk volume
2015/4/23
Artificial reefs (ARs) have become popular technological interventions in shallow water environments characterized by soft seabed for a wide number of purposes, from fisheries/environmental protection...
3D MODELS COMPARISON OF COMPLEX SHELL IN UNDERWATER AND DRY ENVIRONMENTS
Underwater Photogrammetry Marine Biology 3D model 3D comparison Camera Calibration
2015/4/23
In marine biology the shape, morphology, texture and dimensions of the shells and organisms like sponges and gorgonians are very important parameters. For example, a particular type of gorgonian grows...