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Journal articles on the topic 'Cartographic Accuracy Standard (PEC)'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Santos, Alex da Silva, Nilcilene das Graças Medeiros, Gérson Rodrigues dos Santos, and Jugurta Lisboa Filho. "USE OF GEOSTATISTICS ON ABSOLUTE POSITIONAL ACCURACY ASSESMENT OF GEOSPATIAL DATA." Boletim de Ciências Geodésicas 23, no. 3 (2017): 405–18. http://dx.doi.org/10.1590/s1982-21702017000300027.

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Abstract: In the area of Geosciences it is intuitive to think of spatial correlation as a phenomenon under study, and Geostatistics has tools to identify and represent the behavior of such dependency. The spatial analysis of the results of an inspection of the quality of a cartographic product is generally not addressed in the standards, which are restricted to descriptive and tabular findings, based on the assumption of the Classical Statistics of independence of observed data. At the Brazilian National Infrastructure of Spatial Data (INDE), various cartographic products should be made availa

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Bettiol, Giovana Maranhão, Manuel Eduardo Ferreira, Luiz Pacheco Motta, Édipo Henrique Cremon, and Edson Eyji Sano. "Conformity of the NASADEM_HGT and ALOS AW3D30 DEM with the Altitude from the Brazilian Geodetic Reference Stations: A Case Study from Brazilian Cerrado." Sensors 21, no. 9 (2021): 2935. http://dx.doi.org/10.3390/s21092935.

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The Brazilian Cerrado (tropical savanna) is the second largest biome in South America and the main region in the country for agricultural production. Altitude is crucial information for decision-makers and planners since it is directly related to temperature that conditions, for example, the climatic risk of rainfed crop plantations. This study analyzes the conformity of two freely available digital elevation models (DEMs), the NASADEM Merged Digital Elevation Model Global 1 arc second (NASADEM_HGT) version 1 and the Advanced Land Observing Satellite Global Digital Surface Model (ALOS AW3D30),

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Morais, Josyceyla Duarte, Thaísa Santos Faria, Marcos Antonio Timbó Elmiro, Marcelo Antonio Nero, Archibald de Araujo Silva, and Rodrigo Affonso de Albuquerque Nobrega. "ALTIMETRY ASSESSMENT OF ASTER GDEM v2 AND SRTM v3 DIGITAL ELEVATION MODELS: A CASE STUDY IN URBAN AREA OF BELO HORIZONTE, MG, BRAZIL." Boletim de Ciências Geodésicas 23, no. 4 (2017): 654–68. http://dx.doi.org/10.1590/s1982-21702017000400043.

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Abstract: This work is an altimetry evaluation study involving Digital Elevation Models ASTER GDEM version 2 and SRTM version 3. Both models are readily available free of charge, however as they are built from different remote sensing methods it is also expected that they present different data qualities. LIDAR data with 25 cm vertical accuracy were used as reference for assessment validation. The evaluation study, carried out in urbanized area, investigated the distribution of the residuals and the relationship between the observed errors with land slope classes. Remote sensing principles, qu

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Viel, Jorge Antônio, Kátia Kellem da Rosa, and Cláudio Wilson Mendes Junior. "Avaliação da Acurácia Vertical dos Modelos Digitais de Elevação SRTM, ALOS World 3D e ASTER GDEM: Um Estudo de Caso no Vale dos Vinhedos, RS – Brasil." Revista Brasileira de Geografia Física 13, no. 5 (2020): 2255. http://dx.doi.org/10.26848/rbgf.v13.5.p2255-2268.

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Este estudo tem como objetivo avaliar a acurácia vertical dos Modelos Digitais de Elevação (MDEs) SRTM v.3, ALOS World 3D e ASTER GDEM v.2 na região da denominação de origem Vale dos Vinhedos, RS. Para tanto, os dados desses MDEs, com resolução espacial de 30 m, foram comparados com os de um MDE fotogramétrico com resolução espacial de 5 m no terreno, por meio de análises de regressão e correlação linear, e de perfis topográficos derivados desses modelos. O Padrão de Exatidão Cartográfica dos Produtos Cartográficos Digitais (PEC-PCD) de cada MDE foi analisado, para identificar a escala máxima

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Garcia, Andre, Ignacio Aguilar, Andres Legarra, et al. "22 Accuracy of indirect predictions for large datasets based on prediction error covariance of SNP effects from single-step GBLUP." Journal of Animal Science 98, Supplement_4 (2020): 6–7. http://dx.doi.org/10.1093/jas/skaa278.012.

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Abstract With an ever-increasing number of genotyped animals, there is a question of whether to include all genotypes into single-step GBLUP (ssGBLUP) evaluations or to include only genotyped animals with phenotypes and use indirect predictions (IP) for the remaining young genotyped animals. Under ssGBLUP, SNP effects can be backsolved from GEBV, and IP can be calculated as the sum of SNP effects weighted by the gene content. To publish IP, a measure of accuracy that reflects the standard error of prediction, and that is comparable to GEBV accuracy, is needed. Our first objective was to test f

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di Filippo, Andrea, Luis Sánchez-Aparicio, Salvatore Barba, José Martín-Jiménez, Rocío Mora, and Diego González Aguilera. "Use of a Wearable Mobile Laser System in Seamless Indoor 3D Mapping of a Complex Historical Site." Remote Sensing 10, no. 12 (2018): 1897. http://dx.doi.org/10.3390/rs10121897.

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This paper presents an efficient solution, based on a wearable mobile laser system (WMLS), for the digitalization and modelling of a complex cultural heritage building. A procedural pipeline is formalized for the data acquisition, processing and generation of cartographic products over a XV century palace located in Segovia, Spain. The complexity, represented by an intricate interior space and by the presence of important structural problems, prevents the use of standard protocols such as those based on terrestrial photogrammetry or terrestrial laser scanning, making the WMLS the most suitable

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Parvandeh, Saeid, Hung-Wen Yeh, Martin P. Paulus, and Brett A. McKinney. "Consensus features nested cross-validation." Bioinformatics 36, no. 10 (2020): 3093–98. http://dx.doi.org/10.1093/bioinformatics/btaa046.

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Abstract Summary Feature selection can improve the accuracy of machine-learning models, but appropriate steps must be taken to avoid overfitting. Nested cross-validation (nCV) is a common approach that chooses the classification model and features to represent a given outer fold based on features that give the maximum inner-fold accuracy. Differential privacy is a related technique to avoid overfitting that uses a privacy-preserving noise mechanism to identify features that are stable between training and holdout sets. We develop consensus nested cross-validation (cnCV) that combines the idea

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Kent, Alexander J. "The Soviet Military Plan of Tokyo (1966)." Abstracts of the ICA 1 (July 15, 2019): 1. http://dx.doi.org/10.5194/ica-abs-1-169-2019.

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<p><strong>Abstract.</strong> As part of its secret Cold War mapping programme, the Soviet Union produced detailed plans of over 2,000 towns and cities within foreign territories around the globe. Some of these maps were made available for the first time in 1993 at the 16th International Cartographic Conference in Cologne, Germany, via a Latvian map dealer who discovered them at an abandoned depot outside Riga as the Red Army withdrew. However, Soviet city plans have only recently become the topic of cartographic research, which has provided some insights into aspects of thei

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Berteška, Tautvydas, and Birutė Ruzgienė. "PHOTOGRAMMETRIC MAPPING BASED ON UAV IMAGERY." Geodesy and Cartography 39, no. 4 (2013): 158–63. http://dx.doi.org/10.3846/20296991.2013.859781.

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Unmanned Aerial Vehicle (UAV) and Digital Photogrammetry is an up-to-date area mapping technology. Implemented features are low-cost, mobile and simple. UAV (fixed-wing EPP-FPV) with mounted digital camera (Canon S100) was used for imagery while digital photogrammetry processing (with lisa software application) was applied for cartographic data collection. High imagery quality is a significant factor for the efficiency and quality of standard mapping products, such as Digital Elevation Model and Ortho Images. DEM and Orthophoto quality mainly depends on camera resolution, flight height and acc

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Kuźma, Marta, and Albina Mościcka. "Accessibility evaluation of topographic maps in the National Library of Poland." Abstracts of the ICA 1 (July 15, 2019): 1. http://dx.doi.org/10.5194/ica-abs-1-201-2019.

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<p><strong>Abstract.</strong> Digital libraries are created and managed mainly by traditional libraries, archives and museums. They collect, process, and make available digitized collections and data about them. These collections often constitute cultural heritage and they include, among others: books (including old prints), magazines, manuscripts, photographs, maps, atlases, postcards and graphics. An example of such a library is the National Library of Poland. It collects and provides digitally available data of about 55,000 maps.</p><p>The effective use of cult

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Seidelmann, P. K. "Possible Features of IAU Standards." Highlights of Astronomy 9 (1992): 155–59. http://dx.doi.org/10.1017/s1539299600008881.

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In the past, the IAU has adopted standard values for some constants, primarily for use with solar system ephemerides. The constants adopted in 1976 were specifically adjusted to provide internal consistency. In each case, when constants have been adopted, the changes have reflected accuracy improvements, and the purpose has been to encourage the accomplishment of better science.Over the past 12 years, the Working Group on Cartographic Coordinates has issued triennial reports giving the best values for the sizes and rotations for the planets and satellites. This working group now is an IAU/IAG/

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França, Leandro Luiz Silva de, and Luiz Felipe Coutinho Ferreira da Silva. "COMPARISON BETWEEN THE DOUBLE BUFFER METHOD AND THE EQUIVALENT RECTANGLE METHOD FOR THE QUANTIFICATION OF DISCREPANCIES BETWEEN LINEAR FEATURES." Boletim de Ciências Geodésicas 24, no. 3 (2018): 300–317. http://dx.doi.org/10.1590/s1982-21702018000300020.

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Abstract Currently, in Brazil, for the assessment of the Positional Accuracy of non-point features (lines and polygons), there is no standard norm of execution. This work aims to compare the results of two methodologies that allow determining the average value of the discrepancies between linear features. The first, Equivalent Rectangle Method, aims to determine the discrepancy by considering an equivalent rectangle for the polygon obtained from the two homologous lines. The second, Double Buffer Method applies a buffer on both lines and obtains the average discrepancy value based on the relat

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Zheng, Xianwei, Hanjiang Xiong, Jianya Gong, and Linwei Yue. "A VIRTUAL GLOBE-BASED MULTI-RESOLUTION TIN SURFACE MODELING AND VISUALIZETION METHOD." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B2 (June 8, 2016): 459–64. http://dx.doi.org/10.5194/isprsarchives-xli-b2-459-2016.

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The integration and visualization of geospatial data on a virtual globe play an significant role in understanding and analysis of the Earth surface processes. However, the current virtual globes always sacrifice the accuracy to ensure the efficiency for global data processing and visualization, which devalue their functionality for scientific applications. In this article, we propose a high-accuracy multi-resolution TIN pyramid construction and visualization method for virtual globe. Firstly, we introduce the cartographic principles to formulize the level of detail (LOD) generation so that the

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Zheng, Xianwei, Hanjiang Xiong, Jianya Gong, and Linwei Yue. "A VIRTUAL GLOBE-BASED MULTI-RESOLUTION TIN SURFACE MODELING AND VISUALIZETION METHOD." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B2 (June 8, 2016): 459–64. http://dx.doi.org/10.5194/isprs-archives-xli-b2-459-2016.

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The integration and visualization of geospatial data on a virtual globe play an significant role in understanding and analysis of the Earth surface processes. However, the current virtual globes always sacrifice the accuracy to ensure the efficiency for global data processing and visualization, which devalue their functionality for scientific applications. In this article, we propose a high-accuracy multi-resolution TIN pyramid construction and visualization method for virtual globe. Firstly, we introduce the cartographic principles to formulize the level of detail (LOD) generation so that the

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Kirk, R. L., E. Howington-Kraus, K. Edmundson, et al. "COMMUNITY TOOLS FOR CARTOGRAPHIC AND PHOTOGRAMMETRIC PROCESSING OF MARS EXPRESS HRSC IMAGES." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W1 (July 25, 2017): 69–76. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w1-69-2017.

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The High Resolution Stereo Camera (HRSC) on the Mars Express orbiter (Neukum et al. 2004) is a multi-line pushbroom scanner that can obtain stereo and color coverage of targets in a single overpass, with pixel scales as small as 10&amp;thinsp;m at periapsis. Since commencing operations in 2004 it has imaged ~&amp;thinsp;77&amp;thinsp;% of Mars at 20&amp;thinsp;m/pixel or better. The instrument team uses the Video Image Communication And Retrieval (VICAR) software to produce and archive a range of data products from uncalibrated and radiometrically calibrated images to controlle

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Gabryś, Marta, and Łukasz Ortyl. "Georeferencing of Multi-Channel GPR—Accuracy and Efficiency of Mapping of Underground Utility Networks." Remote Sensing 12, no. 18 (2020): 2945. http://dx.doi.org/10.3390/rs12182945.

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Due to the capabilities of non-destructive testing of inaccessible objects, GPR (Ground Penetrating Radar) is used in geology, archeology, forensics and increasingly also in engineering tasks. The wide range of applications of the GPR method has been provided by the use of advanced technological solutions by equipment manufacturers, including multi-channel units. The acquisition of data along several profiles simultaneously allows time to be saved and quasi-continuous information to be collected about the subsurface situation. One of the most important aspects of data acquisition systems, incl

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Pereira, Edson Adjair de Souza, Pedro Walfir M. Souza-Filho, Waldir R. Paradella, and Wilson Da Rocha Nascimento Jr. "GENERATION AND EVALUATION OF RADARGRAMMETRIC DEM FROM RADARSAT-1 STANDARD IMAGES IN LOW RELIEF AREA IN THE AMAZON COASTAL PLAIN." Revista Brasileira de Geofísica 32, no. 3 (2014): 405. http://dx.doi.org/10.22564/rbgf.v32i3.499.

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ABSTRACT. The generation of digital elevation models (DEMs) from the Standard imaging mode of RADARSAT-1 stereo-images was investigated to evaluate theviability of producing 1:100,000 scale altimetric maps in areas with a low topographic relief on the Brazilian Amazon coastal plain. Absolute DEMs were generatedusing RADARSAT-1 Standard stereopairs (S2Asc/S1Des, S6Des/S1Des, and S7Asc/S6Des) with ground control points collected using a Differential Global Positioningsystem. The geometric modeling for the DEM extractions was based on the “RADARSAT Specific Model” from the OrthoEngine Satellite E

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Alsynbaev, Kamil, Vitaly Bryksin, Lilia Zhegalina, Anton Kozlov, and Igor Nazarov. "Creating of geodatabase of melioration system of the Kaliningrad Region." InterCarto. InterGIS 26, no. 3 (2020): 184–98. http://dx.doi.org/10.35595/2414-9179-2020-3-26-184-198.

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The article describes the experience of creating a geodatabase of the melioration system of the Kaliningrad region for integration into an agriculture management automated system. The uniqueness of this melioration system is the scale of drainage facilities created during East Prussia time and Soviet period. The characteristic of the current condition of melioration system facilities is given. Actual problems and potential risks in the context of climate change are highlighted. The relevance of digitalization in melioration sector of public administration and in in the context of transboundary

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Amirova, A. R., G. I. Kalimullina, V. V. Mozzherin, and V. V. Khusnutdinova. "DEVELOPMENT OF A HYDRO-STATISTICAL MODEL OF ESTABLISHING THE LIMITS OF STREAMS AND ITS VERIFICATION (ON THE EXAMPLE OF THE VYATKA-RIVER BASIN)." Bulletin of Udmurt University. Series Biology. Earth Sciences 29, no. 2 (2019): 231–42. http://dx.doi.org/10.35634/2412-9518-2019-29-2-231-242.

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A new unique method for establishing the shoreline of watercourses has been offered. In accordance with the Russian Water code, the border of rivers and streams is the shoreline with a long-term average annual water level for the ice-free period. That level is unknown in advance: it cannot be directly measured afield; it is not given in hydrological directories, as it is not considered to be characteristic, and on cartographic materials the outlines of water bodies are given at the average water level for the summer-autumn low flow period. To determine the desired level, the authors proposed a

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Majewski, Steven R. "The Future of Stellar Populations Studies in the Milky Way and the Local Group." Proceedings of the International Astronomical Union 5, S262 (2009): 99–110. http://dx.doi.org/10.1017/s1743921310002607.

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AbstractThe last decade has seen enormous progress in understanding the structure of the Milky Way and neighboring galaxies via the production of large-scale digital surveys of the sky like 2MASS and SDSS, as well as specialized, counterpart imaging surveys of other Local Group systems. Apart from providing snaphots of galaxy structure, these “cartographic” surveys lend insights into the formation and evolution of galaxies when supplemented with additional data (e.g., spectroscopy, astrometry) and when referenced to theoretical models and simulations of galaxy evolution. These increasingly sop

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Namysłowska-Wilczyńska, Barbara, and Janusz Wynalek. "Geostatistical Investigations of Displacements on the Basis of Data from the Geodetic Monitoring of a Hydrotechnical Object." Studia Geotechnica et Mechanica 39, no. 4 (2017): 59–75. http://dx.doi.org/10.1515/sgem-2017-0037.

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Abstract Geostatistical methods make the analysis of measurement data possible. This article presents the problems directed towards the use of geostatistics in spatial analysis of displacements based on geodetic monitoring. Using methods of applied (spatial) statistics, the research deals with interesting and current issues connected to space-time analysis, modeling displacements and deformations, as applied to any large-area objects on which geodetic monitoring is conducted (e.g., water dams, urban areas in the vicinity of deep excavations, areas at a macro-regional scale subject to anthropog

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Silva, Gleice Pereira da, Roberto Quental Coutinho, and Rafael Antonio da Silva Rosa. "AN APPROACH TO POSITIONAL QUALITY CONTROL METHODS FOR AIRBORNE INSAR HIGH-RESOLUTION X-BAND ORTHOIMAGES AND P-BAND DIGITAL TERRAIN MODEL." Boletim de Ciências Geodésicas 27, no. 1 (2021). http://dx.doi.org/10.1590/s1982-21702021000100001.

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Abstract: The positional validation of datasets is an important step for cartography studies since it allows learning about its accuracy, and also indicates the data process quality. However, the positional validation of Synthetic Aperture Radar (SAR) datasets have some additional challenges when compared to optical images due to the geometric distortions. We employ existing targets such as traffic signs and lampposts in the scene and identify them on the image as control points. We performed the validation of the geographic coordinates used as planialtimetric positional control points, using

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Jethani, Suneel. "Lists, Spatial Practice and Assistive Technologies for the Blind." M/C Journal 15, no. 5 (2012). http://dx.doi.org/10.5204/mcj.558.

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IntroductionSupermarkets are functionally challenging environments for people with vision impairments. A supermarket is likely to house an average of 45,000 products in a median floor-space of 4,529 square meters and many visually impaired people are unable to shop without assistance, which greatly impedes personal independence (Nicholson et al.). The task of selecting goods in a supermarket is an “activity that is expressive of agency, identity and creativity” (Sutherland) from which many vision-impaired persons are excluded. In response to this, a number of proof of concept (demonstrating fe

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