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OPEN PIT MINE 3D MAPPING BY TLS AND DIGITAL PHOTOGRAMMETRY: 3D MODEL UPDATE THANKS TO A SLAM BASED APPROACH
TLS digital photogrammetry open pit mine SLAM mapping automatic localization
2018/6/5
The state of the art of 3D surveying technologies, if correctly applied, allows to obtain 3D coloured models of large open pit mines using different technologies as terrestrial laser scanner (TLS), wi...
USING THIRD PARTY DATA TO UPDATE A REFERENCE DATASET IN A QUALITY EVALUATION SERVICE
data update quality assessment geospatial database conflation web service
2016/11/8
Nowadays it is easy to find many data sources for various regions around the globe. In this 'data overload' scenario there are few, if any, information available about the quality of these data source...
METHODS FOR THE UPDATE AND VERIFICATION OF FOREST SURFACE MODEL
Vegetation Forest growth measurement LIDAR Digital Terrain Model (DTM) Digital Surface Model (DSM) Canopy height model (CHM) Forest database updating
2016/11/8
The digital terrain model (DTM) represents the bare ground earth's surface without any objects like vegetation and buildings. In contrast to a DTM, Digital surface model (DSM) represents the earth's s...
More and more often people exchange geospatial information. This happens when a user gets data from producer. For a transfer of updated data a producer provides a new geographical dataset to users. No...
Object-Based Verification and Update of a Large-scale Topographic Database
Change detection updating databases aerial reference data
2016/1/25
It is well known that there is a growing need for consistent and up-to-date GIS-data at various scales. This paper describes a system
for semiautomatic quality assessment and update of an existing l...
CHANGE DETECTION FOR AERIAL PHOTO DATABASE UPDATE
Remote Sensing Change Detection Classification Land Cover Multisensor
2015/12/31
With rapid new technological development during the past 50 years, aerial photos have been increasingly and commonly used not only in geographic information systems but also in various spatially relat...
Automated Update of Existing Ortho-Image Database and DEM Using High resolution Satellite Images
DTED Level 3 Automatic update DEM, Stereo matching Automatic GCP extraction Ortho-image RANSAC
2015/11/23
The DEM (Digital Elevation Model) and ortho-image have been used in various fields such as 3D (dimension) map, 3D urban model, simulation, and so on. Today, users require more detail data but many exi...
Spatial Database Update and Validation – Current Advances in Theory and Technology
Data Models Data Quality Knowledge Management Rules-based Processing Service Oriented Architecture System Architecture Update Workflow
2015/10/9
The paper summarises the importance of spatial data quality, especially as data is used more and more in automated processes and decision-making, and as data is integrated or ‘joined-up’ from diverse ...
DECOVER–GEOINFORMATION SERVICES TO UPDATE AND SUPPLEMENT LAND COVER DATA FOR GERMAN DECISION MAKERS
Remote Sensing Land Cover Classification Change Detection Interoperability
2015/9/17
There is a growing need for consistent and up to date land cover data at various scales by regional, national and European authorities. Main drivers are recent or upcoming European directives and init...
INTERCALIBRATION OF VEGETATION INDICES - AN UPDATE
Vegetation index sensor systems spectroradiometric measurements
2015/9/8
In 2003 we addressed the issue of intercalibration of vegetation indices from different satellite-based optical sensor systems with
differing spectral response functions in the visible and near-infra...
New methods and satellites: A program update on the NASS cropland data layer and acreage program
AWiFS Landsat See5
2015/9/6
The United States Department of Agriculture (USDA), National Agricultural Statistics Service (NASS) annually produces crop
specific classifications and acreage estimates over the major growing region...
The factors affecting the wide-scale use of DEMs (Digital Elevation Models) and their associated ORRIs (Ortho-Rectified Radar Images) created from airborne IFSAR (Interferometric Synthetic Aperture Ra...
RICE INVENTORY DATA UPDATE PROCEDURE BASED ON REMOTE SENSED IMAGES: A USER INTERFACE IMPROVEMENT PERSPECTIVE
RICE INVENTORY DATA UPDATE PROCEDURE BASED REMOTE SENSED IMAGES USER INTERFACE IMPROVEMENT PERSPECTIVE
2015/3/16
RICE INVENTORY DATA UPDATE PROCEDURE BASED ON REMOTE SENSED IMAGES: A USER INTERFACE IMPROVEMENT PERSPECTIVE.
EXTRACTION AND UPDATE OF STREET NETWORKS IN URBAN AREAS FROM HIGH RESOLUTION SATELLITE IMAGES
EXTRACTION AND UPDATE STREET NETWORKS URBAN AREAS HIGH RESOLUTION SATELLITE IMAGES
2015/3/16
EXTRACTION AND UPDATE OF STREET NETWORKS IN URBAN AREAS FROM HIGH RESOLUTION SATELLITE IMAGES.
USING LANDSAT 7 IMAGES TO UPDATE CANADIAN NATIONAL TOPOGRAPHIC DATA
LANDSAT 7 IMAGES CANADIAN NATIONAL TOPOGRAPHIC DATA
2015/3/16
USING LANDSAT 7 IMAGES TO UPDATE CANADIAN NATIONAL TOPOGRAPHIC DATA.