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THE LANDSLIDE HAZARD MAP OF BOGOTA AN UPDATING
Landslides Bogota GRASS GIS Risk management Modelling Model Builder
2018/11/8
A land management plan (Plan de Ordenamiento Territorial, POT) is an instrument for planning the land-use of a territory considering physical, social and economic aspects. In the frame of the POT’s up...
VALIDATING A WORKFLOW FOR TREE INVENTORY UPDATING WITH 3D POINT CLOUDS OBTAINED BY MOBILE LASER SCANNING
Tree inventory Mobile Laser Scanning Point Cloud Data Tree classification
2018/6/5
Urban trees are an important component of our environment and ecosystem. Trees are able to combat climate change, clean the air and cool the streets and city. Tree inventory and monitoring are of grea...
A KNOWLEDGE-BASED APPROACH ON GLOBELAND30 INCREMENTAL UPDATING:A CASE STUDY OF BUILT-UP AREA
Globeland30 incremental updating Built-up area Segmentation Domain knowledge
2016/12/1
Global land cover/land use product in multiple periods is pivotal to understand the complex drivers and mechanisms in global climate change, and to forecast future land use trends in sustainable devel...
UPDATING NATIONAL TOPOGRAPHIC DATA BASE USING CHANGE DETECTION METHODS
NTDB (National topographic data base) Segmentation Classification DSM DTM
2016/11/23
The traditional method for updating a topographic database on a national scale is a complex process that requires human resources, time and the development of specialized procedures. In many National ...
UPDATING MAPS USING HIGH RESOLUTION SATELLITE IMAGERY
Change detection Urban maps Remote sensing Building extraction High Resolution Satellite Imagery Planning/Decision support system
2016/11/8
Kingdom of Saudi Arabia is one of the most dynamic countries of the world. We have witnessed a very rapid urban development's which are altering Kingdom’s landscape on daily basis. In recent years a s...
THE USE OF MULTIPLE DATA SOURCES IN THE PROCESS OF TOPOGRAPHIC MAPS UPDATING
LiDAR DTM Hydrohraphy Satellite images
2016/11/8
The methods used in the process of updating maps have evolved and become more complex, especially upon the development of the digital technology. At the same time, the development of technology has le...
MULTISPECTRAL AIRBORNE LASER SCANNING FOR AUTOMATED MAP UPDATING
Laser scanning Lidar Multispectral Point cloud Mapping Automation Updating Change detection
2016/7/27
During the last 20 years, airborne laser scanning (ALS), often combined with multispectral information from aerial images, has shown its high feasibility for automated mapping processes. Recently, the...
Toward automatic updating of the Israeli national GIS - phase II
Updating GIS-Driven Change Detection & Identification Geo-referencing
2016/5/20
Spatial Information revision and updating is the main concern and production effort of maintaining the ever-growing GIS systems and spatial data bases. Developing easily effected automatic updating me...
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 procedure for map updating using digital mono-plotting and DTMs
procedure for map updating digital mono-plotting DTMs
2016/5/20
The production and updating of maps of the terrain surface is a procedure that can be done easily by using aerial photographs. In general this procedure needs to use expensive equipment that are not a...
Updating topographic databases with ARC INFO; client fitted creation of change-only information
topographic databases ARC INFO change-only information
2016/5/20
Most of the existing change-only solutions for updating topologically structured, topographic databases only work in ideal conditions. We therefore decided to develop a new procedure that would also b...
Mapping and Map Updating with ALOS Data - The Indonesian Experience
Topographic Map Production Map Updating ALOS
2016/1/25
This paper reports the results of a pilot project in mapping and map updating with ALOS data performed at the Indonesian National
Coordinating Agency for Surveys and Mapping. The project consists of...
A GIS-BASED UPDATING SYSTEM FOR GRIDDED POPULATION DATABASE OF CHINA
GIS Human Settlement Spatial Land Use Modelling Systems
2016/1/3
Spatial population data make many related research more convenient. However, its fussy generation process limited its application of the spatial population data. Spatial distribution of population has...
MAPPING AND UPDATING MAPS IN DENSE URBAN REGIONS USING HIGH RESOLUTION DIGITAL AIRBORNE IMAGERY,SURFACE MODELS AND OBJECT-BASED CLASSIFICATION
Classification HRSC-AX Ultracam Feature detection Multi-spectral remote sensing Airborne remote sensing
2015/12/31
Over the last couple of years more and more analogue airborne cameras were replaced by digital cameras. Digitally recorded image data show significant advantages to film based data. Digital aerial pho...
MODELING OF CHANGE-ONLY INFORMATION AND UPDATING OF SPATIAL DATA
Geographical Iinformation Science Spatiotemporal Modelling Geo-information Management Database Updating, Change Detection
2015/12/23
We have constructed multi-scales foundational geographical database in china, and have released diverse spatial data and derived products. But how to keep the currency and continual updating of spatia...