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INDOOR PHOTOGRAMMETRY USING UAVS WITH PROTECTIVE STRUCTURES: ISSUES AND PRECISION TESTS
UAV Collision-Tolerant Drone Photogrammetry 3D Mode safety survey BVLOS control
2018/4/18
Management of disaster scenarios requires applying emergency procedures ensuring maximum safety and protection for field operators. Actual conditions of disaster sites are labelled as “Triple-D: Dull,...
LANDSAT 8 MULTISPECTRAL AND PANSHARPENED IMAGERY PROCESSING ON THE STUDY OF CIVIL ENGINEERING ISSUES
Landsat 8 pansharpened image interpretation supervised classification land cover
2016/12/1
Scientific and professional interests of civil engineering mainly include structures, hydraulics, geotechnical engineering, environment, and transportation issues. Topics included in the context of th...
AN ENTROPY-KL STRATEGY FOR ESTIMATING NUMBER OF CLASSES IN IMAGE SEGMENTATION ISSUES
entropy KL information spiltting/merging number of classes image segmentation fuzzy clustering
2016/11/23
different classes, to estimate the number of classes in image segmentation issues. In this strategy, the information of a homogeneous region is measured by entropy. Then a region is considered to be d...
ISSUES ON BUILDING KAZAKHSTAN GEOSPATIAL PORTAL TO IMPLEMENT E-GOVERNMENT
e-Government Geospatial Open Data Web portal,
2016/7/8
A main issue in developing e-government is about how to integrate and organize many complicated processes and different stakeholders. Interestingly geospatial information provides an efficient framewo...
SOME ISSUES RELATED WITH SUB-PIXEL CLASSIFICATION USING HYPERION DATA
Hyperspectral Data Sub-pixel Mixed Pixels Support Vector Machine (SVM) Fuzzy Error Matrix (FERM)
2015/12/30
The most significant breakthrough in remote sensing has been the development of hyperspectral sensors. Due to the spectral resolution limitations of conventional multispectral remote sensing, hyperspe...
THE KEY ROLES OF REMOTE SENSING TECHNIQUES FOR EVALUATING ENVIRONMENTAL ISSUES POSED BY MINING:A CASE STUDY
Human Mining Activities Remote Sensing Techniques Sources of Pollution Environment Satellite Image
2015/12/29
The tremendous need for mineral resources rooting from the rapid population growth and economical development in china has greatly accelerated exploitation of various minerals for last two decades, as...
Issues for Image Matching in Structure from Motion
Computer Vision Matching Accuracy Analysis Machine Vision Close Range Photogrammetry Sensor orientation
2015/12/4
This paper discusses issues for matching point features in structure from motion, i.e., pose estimation and 3D reconstruction. As ourbuilding block are image triplets for which matches can be checked ...
Generic Framework and Key Issues for Updates Propagation between Heterogeneous Spatial Databases
GIS Database Updates Propagation Schema Matching Updates Retrieval Semantic Transformation Update Integration Consistency Maintenance
2015/10/12
Data updating is a significant stage in the life of a geographical information system (GIS). When geodata producers have finished
updating their own database (named Master Database, MDB), the proble...
Discussion and Reflection on Several Core Issues in the Grand Canal Heritage Conservation Planning Under the Background of Application for World Heritage
China’s Grand Canal Heritage Conservation Plan Value Assessment
2015/9/14
At the turn of the century, a series of new heritage concepts have appeared in the area of international cultural heritage protection,
such as cultural landscape, cultural route, heritage corridor, h...
DISTRIBUTED GEOSPATIAL INFORMATION SERVICES-ARCHITECTURES, STANDARDS, AND RESEARCH ISSUES
Geospatial information Services Distributed Architectures Standards Knowledge Systems Web Service Grids
2015/6/1
It is estimated that more than 80% of data that human beings have collected so far are geospatial data. In order for the geospatial data to be useful, information has to be extracted from the data and...
THE AVIGNON BRIDGE: A 3D RECONSTRUCTION PROJECT INTEGRATING ARCHAEOLOGICAL, HISTORICAL AND GEMORPHOLOGICAL ISSUES
3D digitisation data integration virtual reconstruction hypothetical representation
2015/3/3
The history and identity of the Avignon’s bridge is inseparable from that of the Rhône river. Therefore, in order to share the history and memory of the Rhône, it is essential to get to know...
THERMAL REMOTE SENSING: CONCEPTS, ISSUES AND APPLICATIONS
Thermal infrared radiant temperature emissivity black body volcanoes fires
2014/12/29
In the last few decades remote sensing has reached from an experimental to an operational level. The increase in the number of earth observation satellites, the advancement in tools and processing tec...
QUALITY CONTROL ISSUES OF AIRBORNE LASER RANGING DATA AND ACCURACY STUDY IN AN URBAN AREA
Photogrammetry Laser Ranging Error Analysis Surface Reconstruction Segmentation Fusion
2014/12/22
The major factors affecting the accuracy of Airborne Laser Scanning (ALS) systems are the errors in ranging, in the position of the laser firing point, and in the attitude of the laser beam. Since the...
OBLIQUE MULTI-CAMERA SYSTEMS – ORIENTATION AND DENSE MATCHING ISSUES
Oblique images Orientation Matching Automation Feature extraction
2014/4/21
The use of oblique imagery has become a standard for many civil and mapping applications, thanks to the development of airborne digital multi-camera systems, as proposed by many companies (Blomoblique...
COASTAL TRANSPORT INTEGRATED SYSTEM IN THE AEGEAN SEA ISLANDS: FRAMEWORK, METHODOLOGY, DATA ISSUES AND PRELIMINARY RESULTS
costal transport information system, movement of people modelling
2014/4/24
Greece has more than one hundred inhabited islands, the majority of them are geographically scattered in small distances in the
Aegean Sea. The Aegean Sea suffers systematically from two major issu...
