搜索结果: 1-14 共查到“测绘科学技术 shallow”相关记录14条 . 查询时间(0.171 秒)
UNDERWATER PHOTOGRAMMETRY IN VERY SHALLOW WATERS: MAIN CHALLENGES AND CAUSTICS EFFECT REMOVAL
Underwater 3D Reconstruction SfM MVS Caustics CNN
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2018/6/4
In this paper, main challenges of underwater photogrammetry in shallow waters are described and analysed. The very short camera to object distance in such cases, as well as buoyancy issues, wave effec...
OPTIMAL BAND RATIO ANALYSIS OF WORLDVIEW-3 IMAGERY FOR BATHYMETRY OF SHALLOW RIVERS (CASE STUDY:SARCA RIVER,ITALY)
Bathymetry River Optimal Band Ratio Analysis WorldView-3 GeoEye Spectral Bands
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2016/11/30
The Optimal Band Ratio Analysis (OBRA) could be considered as an efficient technique for bathymetry from optical imagery due to its robustness on substrate variability. This point receives more attent...
A NEW IDL IMPLEMENTATION OF THE JUPP METHOD FOR BATHYMETRY EXTRACTION IN SHALLOW WATERS
Bathymetry Remote Sensing Coastal Erosion IDL
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2016/11/23
There is an ongoing effort in using imagery from remote sensing platforms to obtain information about the sea depth; this allows to monitor the dynamics of coastal erosion without the need for costly ...
INVESTIGATIONS ON THE POSSIBILITIES OF MONITORING COASTAL CHANGES INCLUDING SHALLOW UNDER WATER AREAS WITH UAS PHOTO BATHMETRY
UAS-Photogrammetry 3D-Point Cloud photo bathymetry
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2016/7/5
UAS become a very valuable tool for coastal morphology. Not only for mapping but also for change detection and a better understanding of processes along and across the shore. This contribution investi...
High resolution digital terrain models of shallow lake basins - Towards modelling dynamics of sedimentation for multithematic ecosystems research
High resolution digital terrain models shallow lake basins Towards modelling dynamics sedimentation multithematic ecosystems research
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2016/5/20
Research on GIS applications in the real world context has to be strengthened besides developing GIS application software itself. An ecologically important field of applications is the integration of ...
REACH SCALE APPLICATION OF UAV+SFM METHOD IN SHALLOW RIVERS HYPERSPATIAL BATHYMETRY
UAV SfM Alarm River Hyperspatial Resolution Near-Census River Science Shallow Rivers Bathymetry
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2016/1/15
Nowadays, rivers are impacted by different human activities and highly regulated. To rehabilitate these systems, spatial and process-based analyses of rivers are essential. Hydrodynamic models are sop...
A NEW TECHNIQUE BASED ON MINI-UAS FOR ESTIMATING WATER AND BOTTOM RADIANCE CONTRIBUTIONS IN OPTICALLY SHALLOW WATERS
UAS Ocean color Littoral waters Bottom reflectance Radiance Visible spectrum Saint Lawrence Estuary
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2015/9/10
The mapping of nearshore bathymetry based on spaceborne radiometers is commonly used for QC ocean colour products in littoral waters. However, the accuracy of these estimates is relatively poor with r...
Prediction and Mapping of Shallow Landslides in Kashmir Himalayas Using Remote Sensing and Geospatial Tools
Landslides Shalstab GIS
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2015/8/31
The high susceptibility to landslides of the Himalayan terrain is mainly due to a complex geological setting combined
with contemporary, varying slopes and relief, heavy rainfall, along with every in...
AN APPROACH TO DEVELOP INFORMATION SYSTEM FOR RADAR DATA TO IDENTIFY THE SHAPE OF SHALLOW BURIED METALLIC OBJECTS
Shallow buried objects image analysis monostatic scatterometer
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2015/8/28
Present paper deals the fusion of image analysis and electromagnetic approach to predict the shape of the shallow buried metallic
objects for satellite remote sensing at X-band (i.e., 10 GHz). The sh...
Pca based on bottom classification applied in remote sensing bathymetry of shallow seawat
Multi-spectral Remote sensing Bathymetry model,
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2015/8/20
The submarine terrain in shallow sea is one of the important factors of the ocean environment, and has important meanings for
coastal economics and military activities. For the mapping of the vast in...
APPLYING DISCRIMINATE ANALYSIS TO CHARACTERISE SHALLOW ROCKY REEF HABITAT
GIS marine AGDS sidescan sonar discriminate analysis seabed habitat mapping
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2015/8/10
A major goal of seafloor habitat mapping is to provide techniques that predict the distribution of species from physical and biotic parameters that define where species live. An area of seafloor compr...
AIRBORNE LASER BATHYMETRY FOR DOCUMENTATION OF SUBMERGED ARCHAEOLOGICAL SITES IN SHALLOW WATER
airborne laser scanning airborne laser bathymetry green laser archaeological prospection underwater submerged site Roman harbour lake dwelling
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2015/4/23
Knowledge of underwater topography is essential to the understanding of the organisation and distribution of archaeological sites along and in water bodies. Special attention has to be paid to interti...
SHALLOW-WATER BATHYMETRY OVER VARIABLE BOTTOM TYPES USING MULTISPECTRAL WORLDVIEW-2 IMAGE
Multispectral Bathymetry Linear Regression Radiometric Correction GPS Echo Sounder
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2014/4/29
Image processing techniques that involve multispectral remotely sensed data are considered attractive for bathymetry applications as they provide a time- and cost-effective solution to water depths es...
HIGH RESOLUTION AIRBORNE SHALLOW WATER MAPPING
Hydrography Airborne Laser Altimetry Shallow Water Areas Full Waveform Analysis European Water Framework Directive
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2014/4/25
In order to meet the requirements of the European Water Framework Directive (EU-WFD), authorities face the problem of repeatedly performing area-wide surveying of all kinds of inland waters. Especiall...