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Cross-Verification of As-Built Point Cloud and GIS-Related Map Data
2013
Open Journal of Civil Engineering
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The cloud model shows its top reference hierarchy as the updated data for topographic-derived urban maps. ...
This study cross-validates existing urban maps using point cloud models to update GIS related data. The model, as-built 3D data, is created to integrate with maps in an architectural CAD platform. ...
Based on the corrected data, systematic information build-up is achieved, and multi-level crossvalidation is explored using topographic maps, street lamp maps, parking facility map, street excavation map ...
doi:10.4236/ojce.2013.34026
fatcat:w2m3aqd7obdsdhad4x4vo7bn7m
The Use of LiDAR-Derived DEM in Flood Applications: A Review
2020
Remote Sensing
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This study demonstrates that LiDAR-derived data are useful in flood risk management, especially in the future assessment of flood-related problems. ...
Flood occurrence is increasing due to escalated urbanization and extreme climate change; hence, various studies on this issue and methods of flood monitoring and mapping are also increasing to reduce the ...
Conclusions Detailed topographic information is a crucial input parameter for flood modeling and monitoring. ...
doi:10.3390/rs12142308
fatcat:jioww2i6xrf6hdr6nogtc25bqy
Theory of geoinformatic mapping of erosion geomorphological systems
Теория геоинформационного картографирования эрозионно-геоморфологических систем
2015
Vestnik Volgogradskogo Gosudarstvennogo Universiteta. Seriâ 11. Estestvennye Nauki
Теория геоинформационного картографирования эрозионно-геоморфологических систем
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of large-scale topographic and soil maps, and space imaging of high resolution, are developed. ...
The geoinformatic mapping of erosion geomorphologic systems is based on both traditional methods of cartographic representation of information and specific opportunities of computer mapping complexes, ...
The use of such programs, as ENVI, MapInfo, Surfer, "Talka" develops various tasks in processing and analysis of space images: visualization, geometric and brightness correction of digital images, attachment ...
doi:10.15688/jvolsu11.2015.4.7
fatcat:gczticxhyzfztjg2tbmknbufoy
UAV DATA PROCESSING FOR RAPID MAPPING ACTIVITIES
2015
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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As one component of basic geospatial data, large scale topographical maps are mandatory in order to enable geospatial analysis within quite a number of societal challenges. ...
<br><br> The increasing role of geo-information in disaster management nowadays consequently needs to include geospatial aspects on its analysis. ...
Pierrot-Deseilligny doi:10.5194/isprsarchives-XL-3-W3-371-2015
ACKNOWLEDGEMENTS We would like to acknowledge Geospatial Information Agency of Indonesia (BIG) for providing the Airborne IFSAR dataset ...
doi:10.5194/isprsarchives-xl-3-w3-371-2015
fatcat:xfsseoukpvdnth2mivxfqpw2uu
PARGE: parametric geocoding based on GCP-calibrated auxiliary data
1998
Imaging Spectrometry IV
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It exactly reconstructs the scanning geometry for each image pixel using position, attitude, and terrain elevation data. ...
Thus, geometric distortions occur due to variations of the flightpath as well as of the attitude (given by roll, pitch and heading angles) of the plane. ...
DEM and topographic data: DHM25/PK25 ©1997 Federal Office of Topography,
Figure 6 : 6 Comparison of a subset of the geocoded DAIS image with a digital topographic map of Zurich. ...
doi:10.1117/12.328114
fatcat:j3lzeviepzgczmhb6wr7iyelmi
Using Training Samples Retrieved from a Topographic Map and Unsupervised Segmentation for the Classification of Airborne Laser Scanning Data
2020
Remote Sensing
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Then, a point-in-polygon operation using polygon maps derived from a 2D topographic map is used to generate initial training samples. ...
To reduce the cost of manual annotating for ALS data, we propose a framework that automatically generates training samples using a two-dimensional (2D) topographic map and an unsupervised segmentation ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs12050877
fatcat:vcfilrn7ujhvrfbywsgyll5jxm
Radiometric Correction and 3D Integration of Long-Range Ground-Based Hyperspectral Imagery for Mineral Exploration of Vertical Outcrops
2018
Remote Sensing
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The application of outcrop sensing within a range of one to several hundred metres, including geometric corrections and integration with accurate terrestrial laser scanning models, is already developing ...
The achieved spectral mapping products are integrated with 3D photogrammetric data to create large-scale now-called "hyperclouds", i.e., geometrically correct representations of the hyperspectral datacube ...
S.L. wrote the manuscript with input from all authors. R.G. supervised the study at all stages.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs10020176
fatcat:7yoc27eau5gohmnquhmixxdk4m
A Landsat digital image rectification system
1977
Geoscience Electronics, IEEE Transactions on
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The rectification capability also allowed for multi-scene registration and thus was selected as the preferred approach to geometric correction of the MSS image data. ...
DIRS has the capability to use these functions to geometrically correct the image data, but it does not have the ability to compute the functions from the GCP data. 11 The Goddard Trajectory Determination ...
doi:10.1109/tge.1977.6498970
fatcat:rma5whwjqfdkvdoc7h4egyznuu
A Survey of Digital Map Processing Techniques
2014
ACM Computing Surveys
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In addition, maps-especially historical maps-are often the only information source about the earth as surveyed using geodetic techniques. ...
The typical result from map processing is geographic information that can be used in spatial and spatiotemporal analyses in a Geographic Information System environment, which benefits numerous research ...
Reid Priedhorsky for his work on preparing the scanned images in Figures 4 and 5 . We also thank the anonymous reviewers for their helpful suggestions. ...
doi:10.1145/2557423
fatcat:tlb7lshgnzaapcjb4te75ae3zi
LiDAR-Derived High Quality Ground Control Information and DEM for Image Orthorectification
2007
Geoinformatica
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This leads to a great potential to use LiDAR data to get high quality GCPs and DEMs to improve the accuracy of orthoimages. ...
Orthophotos (or orthoimages if in digital form) have long been recognised as a supplement or alternative to standard maps. ...
accuracy large scale topographic map. ...
doi:10.1007/s10707-006-0005-9
fatcat:ojz43zvk5rbvvg3hooc6k7nczy
Automatic and Accurate Extraction of Road Intersections from Raster Maps
2008
Geoinformatica
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To utilize the maps for understanding other geospatial sources, one of the most valuable types of information we need from the map is the road network, because the roads are common features used across ...
For the problem of road intersection extraction, our approach achieves over 95% precision (correctness) with over 75% recall (completeness) on average on a set of 70 raster maps from a variety of sources ...
We present a more extensive set of experiments testing our approach on more map sources, and we also report the computation time with respect to the number of foreground pixels on a map (Section 3). ...
doi:10.1007/s10707-008-0046-3
fatcat:62cmmepd5jagdaetio2i7wqzfu
Global earth mapping with NASA's multiangle imaging spectroradiometer (MISR)
2003
Image and Signal Processing for Remote Sensing VIII
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This paper focuses on the photogrammetric aspect of the data production and discusses quality of the global mapping as evaluated during the first two years of the mission. ...
Usually, remote sensing image data has been only radiometrically and spectrally corrected, as a part of standard processing, prior to being distributed to investigators. ...
For further information, see the MISR web site at http://www-misr.jpl.nasa.gov. ...
doi:10.1117/12.463053
fatcat:lh6vlhdpffhh7fyzbkf46l4km4
Decision Maker Support for Site Selection
2013
International Conference on Aerospace Sciences and Aviation Technology
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The approach developed is capable of taking inputs in the form of data layers that may be generated from satellite images, aerial photographs, topographical maps or other ancillary data. ...
In this paper, a spatial modeler has been used to produce a number of thematic maps useful for various military operations. ...
The data for the study area has primarily been collected from the topographical map and/or by on-screen digitizing the scanned map in ERDAS Imagine. ...
doi:10.21608/asat.2013.22129
fatcat:bf2g5nwrgjffhiexczeibwvlxm
Analysis of Land Cover Classification Using Multi-Wavelength LiDAR System
2017
Applied Sciences
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Because of the demand for land cover information, various land cover maps are available online with different spatial resolutions, for example, the European Space Agency (ESA) 300 m global land cover map ...
Several studies reported land cover classification using airborne LiDAR data, which provide 3D shape information rather than 2D spectrum information in classification. ...
, topographic mapping [12] [13] [14] , map updating [15] , and plant monitoring [16, 17] . ...
doi:10.3390/app7070663
fatcat:ocwee3hpmbhlbclmpymlfyqjhi
Corneal topography from spectral optical coherence tomography (sOCT)
2011
Biomedical Optics Express
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Corneal elevation maps from all instruments were fitted by quadric surfaces (as well as by tenth-order Zernike polynomials) using custom routines. ...
The method includes calibration of the device, compensation of the fan (or field) distortion introduced by the scanning architecture, and image processing analysis for volumetric data extraction, segmentation ...
Although the use of OCT as a pachymeter [15, 16] and for optical biometry [17, 18] is widespread, its capability to produce surface elevation maps, and therefore to be used as a corneal topographer ...
doi:10.1364/boe.2.003232
pmid:22162814
pmcid:PMC3233243
fatcat:24akujfqorf65ildb3ubop2uki
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