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Cross-Verification of As-Built Point Cloud and GIS-Related Map Data

Naai-Jung Shih, Shih-Cheng Tzen, Tzu-Ying Chan, Chia-Yu Lee
2013 Open Journal of Civil Engineering  
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

Nur Atirah Muhadi, Ahmad Fikri Abdullah, Siti Khairunniza Bejo, Muhammad Razif Mahadi, Ana Mijic
2020 Remote Sensing  
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

Aleksandr Rulev, Valeriy Yuferev
2015 Vestnik Volgogradskogo Gosudarstvennogo Universiteta. Seriâ 11. Estestvennye Nauki  
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

W. Tampubolon, W. Reinhardt
2015 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
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

Daniel Schlaepfer, Michael E. Schaepman, Klaus I. Itten, Michael R. Descour, Sylvia S. Shen
1998 Imaging Spectrometry IV  
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

Zhishuang Yang, Wanshou Jiang, Yaping Lin, Sander Oude Elberink
2020 Remote Sensing  
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

Sandra Lorenz, Sara Salehi, Moritz Kirsch, Robert Zimmermann, Gabriel Unger, Erik Vest Sørensen, Richard Gloaguen
2018 Remote Sensing  
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

Peter Van Wie, Maurice Stein
1977 Geoscience Electronics, IEEE Transactions on  
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

Yao-Yi Chiang, Stefan Leyk, Craig A. Knoblock
2014 ACM Computing Surveys  
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

Xiaoye Liu, Zhenyu Zhang, Jim Peterson, Shobhit Chandra
2007 Geoinformatica  
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

Yao-Yi Chiang, Craig A. Knoblock, Cyrus Shahabi, Ching-Chien Chen
2008 Geoinformatica  
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)

Veljko M. Jovanovic, Sebastiano B. Serpico
2003 Image and Signal Processing for Remote Sensing VIII  
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

A. Mohamady, O. Moussa, H. El-Hanafy, H. El Hefnawy
2013 International Conference on Aerospace Sciences and Aviation Technology  
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

Tee-Ann Teo, Hsien-Ming Wu
2017 Applied Sciences  
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)

Sergio Ortiz, Damian Siedlecki, Pablo Pérez-Merino, Noelia Chia, Alberto de Castro, Maciej Szkulmowski, Maciej Wojtkowski, Susana Marcos
2011 Biomedical Optics Express  
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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