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NSF,NGA release first unclassified digital elevation models of Alaska
NSF NGA first unclassified digital elevation models Alaska
2016/9/12
The National Science Foundation (NSF) and the National Geospatial-Intelligence Agency (NGA) have publicly released new three-dimensional topographic maps of Alaska in support of a White House Arctic i...
HISTORICAL AERIAL PHOTOGRAPHS AND DIGITAL PHOTOGRAMMETRY FOR IMPACT ANALYSES ON DERELICT LAND SITES IN HUMAN SETTLEMENT AREAS
Photogrammetry Human Settlement Industry Impact Analysis GIS Aerial Digital Three-dimensional
2015/12/26
In old industrialized areas large sites of former coal and steel industries offer a great potential for internal urban development. The reuse of such derelict and mostly contaminated land requires sys...
MULTI-RESOLUTION REPRESENTATION OF DIGITAL TERRAIN MODELS WITH TOPOGRAPHICAL FEATURES PRESERVATION
Geometry Geomorphology Extraction Simplification Feature Multi-resolution
2015/12/23
Multi-resolution TIN model is a promising solution for achieving rapid visualization speed and interactive frame rates in the contexts of visualization, virtual reality (VR), and geographic informatio...
THE ESTABLISHMENT OF DIGITAL HIGH RESOLUTION GEODATABASES FOR WEBGIS: FROM DIGITAL CAMPUS TO DIGITAL NATIONAL PARK
Internet GIS Spatial Database Computer Vision Spatial Modelling Geographical Services Visualization
2015/12/22
In 1999 right after Al Gore brought the idea of the Digital Earth, aiming to promote the Digital Earth concept Chinese Culture University (CCU) in Taiwan established the Digital Earth Research Center ...
Applying Digital Photogrammetry to Spatial Distribution of Debris Variation
Photogrammetry Debris Variation Geographic Information System (GIS)
2015/12/18
This study applies original aerial photographs to reconstruct orthoimages and extract digital terrain model (DTM) for images of various periods. The area of research is located at the Daluowan stream ...
Location-Based Mobile Tour Guide Services towards Digital Dunhuang
GIS Value-added Services Mobile Internet/Web GPS/INS Real-time On-line
2015/12/17
Dunhuang Mogao Grottoes, as a world cultural heritage, is the existed world’s largest and best-preserved Buddhist art treasures. For thousands of years, it has attracted millions of people all around ...
Study on the Publication Technology of Integrative Thematic Digital Atlas Based on the Visualization of Spatial Data
Cartography GIS Visualization Integration Publishing Technology Thematic Atlas
2015/12/16
By analyzing the characteristic of compiling the modern atlas, selecting thematic digital atlas as research object, this paper has brought forward the reflection and realization of the below-mentioned...
Analysis of ARSC'S Surveying and Mapping Mode-Integrating Areophotogrammetry, Digital Mapping and GIS Database Establishment
Aerophotogrammetry Digital Mapping Database Geography Information System Extraction Conversion
2015/12/11
With the work experiences of surveying and mapping production, technology designing and technology supervision, the author systematically summarizes the concrete working flow of ARSC’s modern surveyin...
The Study on The Technique of The 3D GIS Modeling Based on The Digital Photogrammetry
3D Geographical information system (GIS) Digital photogrammetry 3D Modeling Data structures Digital campus
2015/12/9
With the rapid development of applications in 3D GIS, the defects in 2D GIS, which is no intuitive feelings, no convenient to manage the space object and no certainty to express the information and so...
Generation of Digital Surface Model from High Resolution Satellite Imagery
DSM IKONOS Satellite High Resolution Image
2015/11/23
We discuss an improved approach for digital surface model (DSM) generation from high-resolution satellite imagery (HRSI) in this paper. The HRSI systems, such as IKONOS and QuickBird have initialed a ...
Digitising Aegean Bronze Age Buildings: Building Typologies From Digital Plans
GIS digital plans archaeology architecture acquisition analysis Akrotiri-Thera
2015/11/13
How and why did people living in the Aegean region over 3,000 years ago construct their buildings in the manner that they did? By having access to digital building plans our understanding of building ...
Study on the System of Technical Methods for Digital Urban Planning
Digital Urban Planning Technical Method Information Acquisition
2015/8/17
Along with the development of Digital City, traditional urban planning is surely going to be developed to Digital Urban Planning.
But there is no authoritative definition of Digital Urban Planning ti...
Hydrologic analysis of a flood based on a new Digital Elevation Model
Hydrologic analysis DEM GIS HEC-HMS Flood Natural disaster
2015/7/27
These The present study aims to simulate the hydrologic processes of a flood, based on a new, highly accurate Digital Elevation Model (DEM). The DEM is provided by the Ministry of Land, Infrastructure...
Efficient Line Extraction for Digital Archives of Cultural Heritage using Optical Flow and Trifocal Tensor
Cultural Heritage Extraction Sequences
2015/7/15
In order to perform object modelling by image processing procedures, line or feature extraction and stereo matching used to perform.
However, there are some issues for efficient 3D modelling of objec...
Development of Digital Surface Model and Feature Extraction By Integrating Laser Scanner and Ccd Sensor With Imu
Laser Scanning CCD IMU
2015/7/15
Three dimension data are in great demand for the various applications such as 3D GIS, navigation, digital archive, simulation,
computer games, and so on. In order to represent space in details, it is...