Relevant bibliographies by topics / Height map

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Height map'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 May 2022

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Journal articles on the topic "Height map"

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이성호 and KIMChangHun. "Real-time Soft Shadowing of Dynamic Height Map Using a Shadow Height Map." Journal of the Korea Computer Graphics Society 14, no. 1 (2008): 11–16. http://dx.doi.org/10.15701/kcgs.2008.14.1.11.

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Park, Sang-Chul, Jung-Hoon Kim, and Yong-Ho Chung. "Efficient Simplification of a Height Map." Transactions of the Society of CAD/CAM Engineers 17, no. 2 (2012): 132–39. http://dx.doi.org/10.7315/cadcam.2012.132.

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Keany, Eoghan, Geoffrey Bessardon, and Emily Gleeson. "Using machine learning to produce a cost-effective national building height map of Ireland to categorise local climate zones." Advances in Science and Research 19 (May 2, 2022): 13–27. http://dx.doi.org/10.5194/asr-19-13-2022.

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Abstract. ECOCLIMAP-Second Generation (ECO-SG) is the land-cover map used in the HARMONIE-AROME configuration of the shared ALADIN-HIRLAM Numerical Weather Prediction system used for short-range operational weather forecasting for Ireland. The ECO-SG urban classification implicitly includes building heights. The work presented in this paper involved the production of the first open-access building height map for the island of Ireland which complements the Ulmas-Walsh land cover map, a map which has improved the horizontal extent of urban areas over Ireland. The resulting building height map will potentially enable upgrades to ECO-SG urban information for future implementation in HARMONIE-AROME. This study not only produced the first open-access building height map of Ireland at 10 m × 10 m resolution, but assessed various types of regression models trained using pre-existing building height information for Dublin City and selected 64 important spatio-temporal features, engineered from both the Sentinel-1A/B and Sentinel-2A/B satellites. The performance metrics revealed that a Convolutional Neural Network is superior in all aspects except the computational time required to create the map. Despite the superior accuracy of the Convolutional Neural Network, the final building height map created results from the ridge regression model which provided the best blend of realistic output and low computational complexity. The method relies solely on freely available satellite imagery, is cost-effective, can be updated regularly, and can be applied to other regions depending on the availability of representative regional building height sample data.
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Balcerak, Ernie. "New global map of forest canopy height." Eos, Transactions American Geophysical Union 93, no. 4 (2012): 48. http://dx.doi.org/10.1029/2012eo040010.

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Thurai, M., E. Deguchi, K. Okamoto, and E. Salonen. "Rain height variability in the Tropics." IEE Proceedings - Microwaves, Antennas and Propagation 152, no. 1 (2005): 17. http://dx.doi.org/10.1049/ip-map:20041146.

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Chung, Yong Ho, Won K. Hwam, and Sang Chul Park. "Efficient View-dependent Refinement of a Height Map." Transactions of the Society of CAD/CAM Engineers 19, no. 1 (2014): 61–67. http://dx.doi.org/10.7315/cadcam.2014.061.

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Liu, Mingbo, Chunxiang Cao, Wei Chen, and Xuejun Wang. "Mapping Canopy Heights of Poplar Plantations in Plain Areas Using ZY3-02 Stereo and Multispectral Data." ISPRS International Journal of Geo-Information 8, no. 3 (2019): 106. http://dx.doi.org/10.3390/ijgi8030106.

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Forest canopy height plays an important role in forest management and ecosystem modeling. There are a variety of techniques employed to map forest height using remote sensing data but it is still necessary to explore the use of new data and methods. In this study, we demonstrate an approach for mapping canopy heights of poplar plantations in plain areas through a combination of stereo and multispectral data from China’s latest civilian stereo mapping satellite ZY3-02. First, a digital surface model (DSM) was extracted using photogrammetry methods. Then, canopy samples and ground samples were selected through manual interpretation. Canopy height samples were obtained by calculating the DSM elevation differences between the canopy samples and ground samples. A regression model was used to correlate the reflectance of a ZY3-02 multispectral image with the canopy height samples, in which the red band and green band reflectance were selected as predictors. Finally, the model was extrapolated to the entire study area and a wall-to-wall forest canopy height map was obtained. The validation of the predicted canopy height map reported a coefficient of determination (R2) of 0.72 and a root mean square error (RMSE) of 1.58 m. This study demonstrates the capacity of ZY3-02 data for mapping the canopy height of pure plantations in plain areas.
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Mitchell, Dave L., Mariela Soto-Berelov, and Simon D. Jones. "Regional Variation in Forest Canopy Height and Implications for Koala (Phascolarctos cinereus) Habitat Mapping and Forest Management." Forests 12, no. 11 (2021): 1494. http://dx.doi.org/10.3390/f12111494.

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Previous research has shown that the Koala (Phascolarctos cinereus) prefers larger trees, potentially making this a key factor influencing koala habitat quality. Generally, tree height is considered at regional scales which may overlook variation at patch or local scales. In this study, we aimed to derive a set of parameters to assist in classifying koala habitat in terms of tree height, which can then be used as an overlay for existing habitat maps. To determine canopy height variation within a specific forest community across a broad area in eastern Australia, we used freely available Airborne Laser Scanning (ALS) data and adopted a straightforward approach by extracting maximum-height ALS returns within a total of 288 30 m × 30 m “virtual” ALS plots. Our findings show that while maximum tree heights generally fall within published regional-scale parameters (mean height 33.2 m), they vary significantly between subregions (mean height 28.8–39.0 m), within subregions (e.g., mean height 21.3–29.4 m), and at local scales, the tree heights vary in response to previous land-use (mean height 28.0–34.2 m). A canopy height dataset useful for habitat management needs to recognise and incorporate these variations. To examine how this information might be synthesised into a usable map, we used a wall-to-wall canopy height map derived from ALS to investigate spatial and nonspatial clustering techniques that capture canopy height variability at both intra-subregional (100s of hectares) and local (60 hectare) scales. We found that nonspatial K-medians clustering with three or four height classes is suited to intra-subregional extents because it allows for simultaneous assessment and comparison of multiple forest community polygons. Spatially constrained clustering algorithms are suited to individual polygons, and we recommend the use of the Redcap algorithm because it delineates contiguous height classes recognisable on a map. For habitat management, an overlay combining these height classification approaches as separate attributes would provide the greatest utility at a range of scales. In addition to koala habitat management, canopy height maps could also assist in managing other fauna; identifying forest disturbance, regenerating forest, and old-growth forest; and identifying errors in existing forest maps.
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Mozharovsky, Sergei G. "Possibilities of velocity field analysis from Hinode SOT/SP data." Open Astronomy 30, no. 1 (2021): 203–9. http://dx.doi.org/10.1515/astro-2021-0026.

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Abstract The possibility of analyzing the line of sight (LOS) velocity and its gradient at each point of the Hinode SOT/SP maps using bisector analysis is revealed. A technique for obtaining such gradient is described. To estimate the velocity gradient, it is necessary to know both the velocity value and the layer height to which the bisector point is responded. We have constructed and tested a method to determine this height. We found velocities at the same heights for lines Fe I λ 6301, 6302 Å averaged over the whole map. It turned out that these velocities have some difference that changes with height and time. The error in the estimating of average velocity for the whole map is 2 m·s−1. It follows that the wavelengths of lines 6301 and 6302 given in the NIST tables may differ from the real ones at 5.5 mÅ. Or there is an inaccuracy in the spectrograph dispersion specified in the FITS files. As an example, the curves of changes with the height of the LOS velocity and its gradient were constructed both for points of the whole map and for subsets of the hottest and coldest points.
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Li, Jinghai, Maoyin Chen, Wenhan Wu, Binglu Liu, and Xiaoping Zheng. "Height map-based social force model for stairway evacuation." Safety Science 133 (January 2021): 105027. http://dx.doi.org/10.1016/j.ssci.2020.105027.

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Dissertations / Theses on the topic "Height map"

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Chatham, Hood IV(Robert Hood). "An Orientation map for height p - 1 real E theory." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/126922.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mathematics, May, 2020<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references (pages 43-44).<br>Let p be an odd prime and let EO = E[superscript hC] [subscript p-1] be the Cp αxed points of height p - 1 Morava E theory. We say that a spectrum X has algebraic EO theory if the splitting of K[subscript *](X) as an K[subscript *][Cp]-module lifts to a topological splitting of EO [subscript grave] X. We develop criteria to show that a spectrum has algebraic EO theory, in particular showing that any connective spectrum with mod p homology concentrated in degrees 2k(p - 1) has algebraic EO theory. As an application, we answer a question posed by Hovey and Ravenel [10] by producing a unital orientation MW [subscript 4p-4] --> EO analogous to the MSU orientation of KO at p = 2 where MW [subscript 4p-4] is the Thom spectrum of the (4p - 4)-connective Wilson space.<br>by Hood Chatham.<br>Ph. D.<br>Ph.D. Massachusetts Institute of Technology, Department of Mathematics
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Robertson, Adam E. "Multi-Baseline Interferometric Sar for Iterative Height Estimation." BYU ScholarsArchive, 1998. https://scholarsarchive.byu.edu/etd/4248.

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Multiple SAR interferograms with judiciously selected height sensitivities can be iteratively combined to create a high accuracy digital elevation map. An initial height estimate is refined by iteratively using larger baselines to obtain a height estimation accuracy limited by the spatial decorrelation of the antenna baseline. Spatial filtering is used to reduce the propagation of errors for accurate height estimation. Images containing regions isolated by phase discontinuities, as often found in urban environments, can be resolved by this iterative multi-baseline technique. Computationally demanding and potentially unreliable phase unwrapping is not required to determine scene elevation using SAR inMultiple SAR interferograms with judiciously selected height sensitivities can be iteratively combined to create a high accuracy digital elevation map. An initial height estimate is refined by iteratively using larger baselines to obtain a height estimation accuracy limited by the spatial decorrelation of the antenna baseline. Spatial filtering is used to reduce the propagation of errors for accurate height estimation. Images containing regions isolated by phase discontinuities, as often found in urban environments, can be resolved by this iterative multi-baseline technique. Computationally demanding and potentially unreliable phase unwrapping is not required to determine scene elevation using SAR interferometry.
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Tell, Noah, and Anton Thun. "An approach of using Delaunay refinement to mesh continuous height fields." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-208391.

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Delaunay refinement is a mesh triangulation method with the goal of generating well-shaped triangles to obtain a valid Delaunay triangulation. In this thesis, an approach of using this method for meshing continuous height field terrains is presented using Perlin noise as the height field. The Delaunay approach is compared to grid-based meshing to verify that the theoretical time complexity O(n log n) holds and how accurately and deterministically the Delaunay approach can represent the height field. However, even though grid-based mesh generation is faster due to an O(n) time complexity, the focus of the report is to find out if Delaunay refinement can be used to generate meshes quick enough for real-time applications. As the available memory for rendering the meshes is limited, a solution for providing a cohesive mesh surface is presented using a hole filling algorithm since the Delaunay approach ends up leaving gaps in the mesh when a chunk division is used to limit the total mesh count present in the application. The methods were implemented in the programming language C++ using the open source library libnoise to generate the Perlin noise and the off-the-shelf solution CGALmesh provided a Delaunay refinement implementation. The video game engine Unity was used to render the output meshes created by the Delaunay and grid approach by interfacing with C++ via a Windows DLL. The time complexity of Delaunay refinement was verified to hold, although it was not possible to draw any conclusions regarding the Delaunay refinement's impact on the mesh's accuracy due to the test parameters used. It was also found that the CGALmesh implementation failed to provide a deterministic generation which is a significant drawback compared to the grid-based approach. Disregarding this, the Delaunay approach was found to be suitable for real-time applications as the generation time took less than 1 second, and is promising for volumetric terrain mesh generation.<br>Delaunay-raffinemang är en trianguleringsmetod med målet att generera reguljära trianglar för att uppnå en giltig Delaunay-triangulering. I denna avhandling presenteras en metod användandes Delaunay-raffinemang för att skapa polygonytor av kontinuerliga höjdfältsterränger, där Perlin noise används som höjdfält. Delaunay-metoden jämförs med en rutnätsbaserad metod för att verifiera att tidskomplexiteten O(n log n) gäller och hur exakt och deterministiskt som Delaunay-metoden förhåller sig till att representera höjdfältet. Även fast rutnätsmetoden är snabbare på grund av en O(n) tidskomplexitet är rapportens fokus att ta reda på om Delaunay-raffinemang är snabb nog för att användas i realtidsapplikationer för att generera polygonytor. Eftersom det tillgängliga minnet för att rendera polygonytorna är begränsat presenteras en lösning för att få sammanhängande ytor genom en hålutfyllningsalgoritm då Delaunaymetoden lämnar hål i ytan när chunk-uppdelning används för att begränsa det totala antalet polygonytor i applikationen. Metoderna implementerades i programmeringsspråket C++ användades biblioteket libnoise för att generera Perlin noise och den färdiga lösningen CGALmesh användes som implementation av Delaunay-raffinemang. Datorspelsmotorn Unity användes för att rendera polygonytorna som skapades av Delaunay- och rutnätsmetoden genom ett C++-gränssnitt via en Windows DLL. Tidskomplexiteten av Delaunay-raffinemang gällde, men det var inte möjligt att dra några slutsatser gällande hur exakt metoden förhållde sig till höjdfältet på grund av testparametrarna som användes. Ytterligare visade det sig att CGALmesh-implementationen var oförmögen att deterministiskt generera ytorna vilket är en stor nackdel jämfört med rutnätsmetoden. Bortsett från detta så visade sig Delaunay-metoden användbar för realtidsapplikationer då generingstiden tog mindre än 1 sekund, och metoden har dessutom potential för volymetrisk terränggenerering.
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Ranade, Maitreya. "Tree height estimation with TanDEM-X products : Digital Elevation Model (DEM) andForest/ Non-forest (FNF) Map." Thesis, Luleå tekniska universitet, Rymdteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-71216.

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Pavelková, Zuzana. "Interpretace výškopisu na topografických mapách USA." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226228.

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The thesis aims to analyze the altitude interpretation of the topographic maps of the U.S. and to compare them with Czech topographic maps. I have obtained the source materials for completion of the thesis during the Work and Travel exchange program in the U.S. in 2012, which also inspired me to deal with this thesis topic. The most important producer of U.S. topographic maps is the national company United States Geological Survey, which uses the U.S. customary units based on the Anglo-American measurement system that make a significant difference when interpreting the altitude of U.S. topographic maps and Czech ones. The fact that American society does not use the metric system very much, results in the use of map scales that are unique and very unusual for topographic maps. Another important producer is the company Army Map Service. Since the U.S.A. and the Czech Republic are both member states of North Atlantic Treaty Organization, the production of military topographic maps strictly adheres to the NATO standards.
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Bladin, Kalle, and Erik Broberg. "Design and Implementation of an Out-of-Core Globe Rendering System Using Multiple Map Services." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-137671.

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This thesis focuses on the design and implementation of a software system enabling out-of-core rendering of multiple map datasets mapped on virtual globes around our solar system. Challenges such as precision, accuracy, curvature and massive datasets were considered. The result is a globe visualization software using a chunked level of detail approach for rendering. The software can render texture layers of various sorts to aid in scientific visualization on top of height mapped geometry, yielding accurate visualizations rendered at interactive frame rates. The project was conducted at the American Museum of Natural History (AMNH), New York and serves the goal of implementing a planetary visualization software to aid in public presentations and bringing space science to the public. The work is part of the development of the software OpenSpace, which is the result of a collaboration between Linköping University, AMNH and the National Aeronautics and Space Administration (NASA) among others.
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Castillejo, Luis Gladys Lissett, and Salinas Lizbeth Fiorella Espinoza. "Simulación de tsunami para la generación de mapas de inundación y daño en el distrito de Ancón." Bachelor's thesis, Universidad Ricardo Palma, 2015. http://cybertesis.urp.edu.pe/handle/urp/1267.

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El Perú es un país que se encuentra localizado en cinturón de fuego, zona donde ocurren el 90% de las actividades sísmicas del mundo, ocasionando pérdida de vidas humanas y pérdidas materiales, por lo que es necesario tomar las precauciones para salvaguardar el bienestar de la población que vive en estas zonas. En Perú existen dos placas que se encuentran en la subsuelo del océano pacifico, la placa de nazca (oceánica) que ocupa una gran parte del océano pacifico y cuyo borde colisiona con la placa sudamericana (continental) originando un proceso de convergencia de la placa de Nazca por debajo de la Placa Sudamericana originando sismos pueden dar origen a tsunamis. Este trabajo de investigación contempla la simulación de tsunamis de diferentes magnitudes históricas: 8.2 Mw (Lima –Callao 1940) y 8.5 Mw (Japon-2011) con las que se obtuvieron dos escenarios de tsunami de estudio para el distrito de Ancón. Cuyo epicentro de sismo fue tomado en 11°32'7.65"S, 77°46'17.31"O a 70 km de la costa del Distrito de Ancón, del cual partimos los siguientes resultados: Tiempo de llegada de la primera ola para los dos escenarios, cálculo de la altura máxima de la ola empleando las formulas empíricas de Yamaguchi y Silgado. Obteniendo como resultado la probabilidad del daño con las curvas de fragilidad de Dichato y American Samoa esto en relación al tipo de material predominante de la zona de estudio. Todos los resultados que se obtuvo con la plataforma S.I.G fueron representados en mapas y diagramas estadísticos. De los cuales podemos decir que en el distrito de Ancón para los dos escenarios se obtuvieron resultados para poder planificar y mitigar los efectos que trae consigo un tsunami haciendo conocer el probable comportamiento del tsunami mostrando en los mapas cuales son las áreas que serán afectadas con los cuales se podrá tomar planes de contingencia. Peru is a country that is located in the Ring of Fire, an area where 90% of the world's seismic activity occur, causing life's human and property losses, making it necessary to take precautions to safeguard the welfare of the people living in these areas. In Peru there are two plaques found in the subsoil of the Pacific Ocean, the Nazca plate (oceanic) that occupies a large part of the Pacific Ocean and whose edge collides with the South American plate (continental) causing a process of convergence of the Nazca plate under the South American plate, causing earthquakes that may give rise to tsunamis. This research involves the simulation of tsunamis from different historical magnitudes: 8.2 Mw (Lima -Callao 1940) and 8.5 MW (Japan, 2011). We obtained two study tsunami scenarios for the district of Ancon. The epicenter of the Earthquake was taken in 11°32'7.65"S, 77°46'17.31"W at 70 km from the coast district of Ancon, of these we assume the following results: Time of arrival of the first sea wave for the two scenarios, calculation of the max height of the sea wave using empirical formulas of Yamaguchi and Silgado. Obtaining as a result the likelihood of damage with the fragility's curves of Dichato and American Samoa in relation to this type of predominant material of the study area. All the results obtained with the GIS platform , were represented in maps and statistical charts. In the two scenarios of the district of Ancon were obtained results to plan and mitigate the effects that brings a tsunami, making known the likely behavior of the tsunami, this work shows the maps the areas that will be affected and these could have contingency plans.
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Hulík, Rostislav. "Klasifikace zubů na 3D polygonálním modelu čelisti." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2010. http://www.nusl.cz/ntk/nusl-237280.

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This document discusses a solution for tooth classification on 3D jaw polygonal model. Sequentially, I describe techniques for representation and browsing of polygonal model saved in computer memory, techniques for dental curve detection and finally, creation of surface representing approximated tooth plane. After it, I analyze possibilities of height map creation from jaw model which helps in tooth classification in the scope of entire dental curve context and, as a last step, final detection of these teeth in two dimensions. In the same time, I discuss 3D polygonal model segmentation for border extraction, which separates teeth from the rest of the model. In the end of proposed algorithm, I join these two runs into one final detection and classification process of separate teeth, so presented application can automatically indentify and classify teeth to corresponding names and positions with a minimum user interaction. In a second half of this document, I describe implemented solution. According to primary goal, I propose these techniques forcefully to multiplatform approach and maximal user comfort.
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Kantor, Roman. "Detekce zubů na 3D počítačovém polygonálním modelu čelisti." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236461.

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This document discusses a problem of tooth detection on jaw 3D polygonal model. It describes known methods that can be used to reach expected results, such as their advantages and disadvantages. Considering this, I choose one solution that is closely described with all theory needed for its implementation.
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Rami, Andrea. "Displacement mapping in cinematic scientific visualization." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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The main purpose of this dissertation is to study the cinematic scientific visualization pipeline followed during the internship carried out at CINECA, showing in particular a rendering technique used: the displacement mapping. The final animation, called "A Sacred Forest", is part of the "Into the (Un)Known" project, a scientific communication project. The first part of this dissertation explains what is cinematic scientific visualization and shows its pipeline, then the displacement mapping is described and analyzed with some examples made in Blender. Finally, the “making of” for the Sacred Forest animation is described, showing how astrophysical data provided by a simulation of a magnetic field generated around a supermassive black hole are filtered, mapped and then rendered to obtain the final result.
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Books on the topic "Height map"

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David, Bennett, ed. Wuthering Heights. Oxford University Press, 1999.

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Wuthering Heights. HarperTeen, 2009.

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Such great heights: A novel. Disembodied Poetics, 2013.

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Wuthering Heights. Bantam Books, 2003.

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Wuthering Heights. Vintage Books, 2009.

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Jack, Ian, ed. Wuthering Heights. Oxford University Press, 2008.

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V, Haggard Kenneth, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Description of data on the Nimbus 7 LIMS map archive tape: Temperature and geopotential height. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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V, Haggard Kenneth, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Description of data on the Nimbus 7 LIMS map archive tape: Temperature and geopotential height. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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Allhusen, Edward. The Oarsman's and Angler's Map of the River Thames from It Source to London Bridge: A Fold Out Coloured Map of the River at the Height of Its Prosperity. Old House Books, 2006.

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(Firm), Compass Maps. Citrus Heights, Ca Map. Compass Map Co, 2000.

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Book chapters on the topic "Height map"

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Ikonen, Leena, and Pekka Toivanen. "Shortest Route on Height Map Using Gray-Level Distance Transforms." In Discrete Geometry for Computer Imagery. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-39966-7_29.

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Kwon, Soonpyo, Juwoong Byun, and Hae-Won Park. "Elimination of Race Condition During GPU Acceleration of Probabilistic Height Map." In Robot Intelligence Technology and Applications 6. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97672-9_28.

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Danchilla, Brian. "Fractals, Height Maps, and Particle Systems." In Beginning WebGL for HTML5. Apress, 2012. http://dx.doi.org/10.1007/978-1-4302-3997-0_6.

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Liu, Lu, Xueying Sun, Hechen Zhang, and Feng He. "Explore the Comfortable Seat Armrest Height During the Upper Limb Motor Imagery Training." In Man-Machine-Environment System Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6978-4_54.

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Sun, Guilei, Fangming Pang, Qi Liu, Yun Lin, Luyao Xu, and Yanhua Meng. "Research on Recognizable Physiological Signals of Workers Working at Heights." In Man-Machine-Environment System Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6978-4_9.

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Nekovář, Jan. "𝑝-adic Abel-Jacobi maps and 𝑝-adic heights." In CRM Proceedings and Lecture Notes. American Mathematical Society, 2000. http://dx.doi.org/10.1090/crmp/024/18.

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Sarkar, Kripasindhu, Basavaraj Hampiholi, Kiran Varanasi, and Didier Stricker. "Learning 3D Shapes as Multi-layered Height-Maps Using 2D Convolutional Networks." In Computer Vision – ECCV 2018. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01270-0_5.

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Ye, Zhen, Hua-Bin Chen, Fang Gu, and Shan-Ben Chen. "Feature Extraction from Arc Signal for Height Tracking System of P-MAG Welding." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18997-0_8.

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Du, Yu, Yongkang Wong, Yonghao Liu, et al. "Marker-Less 3D Human Motion Capture with Monocular Image Sequence and Height-Maps." In Computer Vision – ECCV 2016. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46493-0_2.

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Rehbein, Boike. "Was versteht man beim Verstehen eines Menschen?" In Was heißt es, einen anderen Menschen zu verstehen? J.B. Metzler, 1997. http://dx.doi.org/10.1007/978-3-476-04277-4_3.

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Conference papers on the topic "Height map"

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Santos, Paulo, Rodrigo de Toledo, and Marcelo Gattass. "Solid height-map sets." In the 2008 ACM symposium. ACM Press, 2008. http://dx.doi.org/10.1145/1364901.1364953.

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Yao, Jianhua, Suzanne Frentz, Jiang Li, and Ronald Summers. "Polyp height and width measurement using topographic height map." In Medical Imaging, edited by Xiaoping P. Hu and Anne V. Clough. SPIE, 2008. http://dx.doi.org/10.1117/12.769463.

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Retnasamy, V., and P. Poopalan. "Phase-map fringe pixel tracing for height computation." In 2010 2nd International Conference on Software Technology and Engineering (ICSTE 2010). IEEE, 2010. http://dx.doi.org/10.1109/icste.2010.5608850.

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Zienkiewicz, Jacek, Andrew Davison, and Stefan Leutenegger. "Real-time height map fusion using differentiable rendering." In 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2016. http://dx.doi.org/10.1109/iros.2016.7759630.

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Ban, Yun ji, Hye sun Kim, and Chang joon Park. "3D Mesh Reconstruction from Height map and Post Processing." In 2018 International Conference on Information and Communication Technology Convergence (ICTC). IEEE, 2018. http://dx.doi.org/10.1109/ictc.2018.8539362.

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Li, Meng, Ping Fu, and Sheng-he Sun. "3D Digital Patching Using Height-Map of Broken Surface." In 2009 Ninth International Conference on Hybrid Intelligent Systems. IEEE, 2009. http://dx.doi.org/10.1109/his.2009.69.

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Kim, Goanghun, and Nakhoon Baek. "A Height-Map Based Terrain Rendering with Tessellation Hardware." In 2014 International Conference on IT Convergence and Security (ICITCS). IEEE, 2014. http://dx.doi.org/10.1109/icitcs.2014.7021710.

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Han, Seung-Jun, Juwan Kim, and Jeongdan Choi. "Effective height-grid map building using inverse perspective image." In 2015 IEEE Intelligent Vehicles Symposium (IV). IEEE, 2015. http://dx.doi.org/10.1109/ivs.2015.7225742.

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He, Yuhang, Long Chen, Jianda Chen, and Ming Li. "A novel way to organize 3D LiDAR point cloud as 2D depth map height map and surface normal map." In 2015 IEEE International Conference on Robotics and Biomimetics (ROBIO). IEEE, 2015. http://dx.doi.org/10.1109/robio.2015.7418964.

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Ma Zhiqiang, Wang Lili, Yang Zheng, and Zhao Qinping. "Shadow rendering for mesostructure surface based on height gradient map." In 2010 3rd IEEE International Conference on Computer Science and Information Technology (ICCSIT 2010). IEEE, 2010. http://dx.doi.org/10.1109/iccsit.2010.5565159.

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Reports on the topic "Height map"

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Doerry, Armin W. Cross-Track Stereo SAR Height Map. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1469444.

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Yates, Steve, and Andrick Lal. EDM Height Traversing Levelling Survey Report: Funafuti, Tuvalu, May 2012. Geoscience Australia, 2014. http://dx.doi.org/10.11636/record.2014.029.

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Yates, Steve, and Andrick Lal. EDM Height Traversing Levelling Survey Report: Apia, Western Samoa, May 2013. Geoscience Australia, 2014. http://dx.doi.org/10.11636/record.2014.025.

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Fridman, Eyal, Jianming Yu, and Rivka Elbaum. Combining diversity within Sorghum bicolor for genomic and fine mapping of intra-allelic interactions underlying heterosis. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597925.bard.

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Heterosis, the enigmatic phenomenon in which whole genome heterozygous hybrids demonstrate superior fitness compared to their homozygous parents, is the main cornerstone of modern crop plant breeding. One explanation for this non-additive inheritance of hybrids is interaction of alleles within the same locus. This proposal aims at screening, identifying and investigating heterosis trait loci (HTL) for different yield traits by implementing a novel integrated mapping approach in Sorghum bicolor as a model for other crop plants. Originally, the general goal of this research was to perform a genetic dissection of heterosis in a diallel built from a set of Sorghum bicolor inbred lines. This was conducted by implementing a novel computational algorithm which aims at associating between specific heterozygosity found among hybrids with heterotic variation for different agronomic traits. The initial goals of the research are: (i) Perform genotype by sequencing (GBS) of the founder lines (ii) To evaluate the heterotic variation found in the diallel by performing field trails and measurements in the field (iii) To perform QTL analysis for identifying heterotic trait loci (HTL) (iv) to validate candidate HTL by testing the quantitative mode of inheritance in F2 populations, and (v) To identify candidate HTL in NAM founder lines and fine map these loci by test-cross selected RIL derived from these founders. The genetic mapping was initially achieved with app. 100 SSR markers, and later the founder lines were genotyped by sequencing. In addition to the original proposed research we have added two additional populations that were utilized to further develop the HTL mapping approach; (1) A diallel of budding yeast (Saccharomyces cerevisiae) that was tested for heterosis of doubling time, and (2) a recombinant inbred line population of Sorghum bicolor that allowed testing in the field and in more depth the contribution of heterosis to plant height, as well as to achieve novel simulation for predicting dominant and additive effects in tightly linked loci on pseudooverdominance. There are several conclusions relevant to crop plants in general and to sorghum breeding and biology in particular: (i) heterosis for reproductive (1), vegetative (2) and metabolic phenotypes is predominantly achieved via dominance complementation. (ii) most loci that seems to be inherited as overdominant are in fact achieving superior phenotype of the heterozygous due to linkage in repulsion, namely by pseudooverdominant mechanism. Our computer simulations show that such repulsion linkage could influence QTL detection and estimation of effect in segregating populations. (iii) A new height QTL (qHT7.1) was identified near the genomic region harboring the known auxin transporter Dw3 in sorghum, and its genetic dissection in RIL population demonstrated that it affects both the upper and lower parts of the plant, whereas Dw3 affects only the part below the flag leaf. (iv) HTL mapping for grain nitrogen content in sorghum grains has identified several candidate genes that regulate this trait, including several putative nitrate transporters and a transcription factor belonging to the no-apical meristem (NAC)-like large gene family. This activity was combined with another BARD-funded project in which several de-novo mutants in this gene were identified for functional analysis.
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May, David, David Biedenharn, Tate McAlpin, and Ty Wamsley. Hydraulic dike effects investigation on the Mississippi River : Natchez to Baton Rouge. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40539.

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This report documents an investigation of the hydraulic effects of dikes on water levels in the Mississippi River between Natchez, MS, and Baton Rouge, LA, conducted for the U.S. Army Corps of Engineers, Mississippi Valley Division, Vicksburg, MS. The investigation was conducted using a previously calibrated Natchez-to-Baton Rouge Adaptive Hydraulics numerical model. The objectives were to alter roughness and height variables associated with the dikes and overbanks encompassed in the numerical model and evaluate their effects on water surface elevations. This academic exercise provides an indication of the relative level of impact associated with modifications to the dikes and overbanks for this portion of the Mississippi River and does not represent future plans or recommendations by the U.S. Army Corps of Engineers. Steady flow simulations were simulated for 12 May 2011 to investigate the variation in model results during the peak of the 2011 flood on the Mississippi River.
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Guyton, John, Jeanne C. Jones, and Edward Entsminger. Alternative Mowing Regimes’ Influence on Native Plants and Deer. Mississippi State University, 2014. http://dx.doi.org/10.54718/bybx1010.

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This study evaluated mowing regimes, changes in native and non-native plant communities, deer presence in the research plots,and public perception of various management practices on ROWs. No significant difference was found in the height of vegetation 3 weeks after each mowing between research plots mowed 4 times per year and plots mowed only once per year in uplands or lowlands. Native plants increased in plots mowed once per year and deer preferred the frequently mowed plots where clovers and vetches had been seeded. Increasing the carrying capacity of the lowlands with more extensive plantings of clover and vetch may attract deer, thus encouraging them to browse and use the underpasses beneath bridges and making the ROWs safer. The public survey found strong support for wildflowers on ROWs and a distaste for litter. Further, respondents would tolerate a less manicured ROW if it saved money, made the roads safer, and hid litter.
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Xu, Dan, Xueying Zhou, Junfei Wang, Xi Cao, and Tao Liu. The Value of Urinary Gonadotropins in the Diagnosis of Central Precocious Puberty: A Meta-Analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2021. http://dx.doi.org/10.37766/inplasy2021.12.0076.

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Review question / Objective: Precocious puberty is defined as the onset of secondary sexual characteristics before the age of 8 years in girls and 9 years in boys. It can be differentiated into central precocious puberty (CPP) and peripheral precocious puberty, and it is more common in girls than in boys. CPP may result in a decreased final adult height, an early age at menarche, and psychological and health problems in adulthood. Gonadotropin-releasing hormone (GnRH) GnRH stimulation test has been indispensable in the diagnosis of CPP. GnRH stimulation test is not only invasive, time-consuming and expensive, but also sometimes difficult to have patients cooperate. Nocturnal urinary LH and FSH can represent gonadotropin excretion in children with normal and early puberty. And urinary sample collection and evaluation are more convenient, more acceptable, cheaper, and noninvasive. This meta-analysis aims to assess the value of first-voided urinary luteinizing hormone (LH) and the ratio of urinary luteinizing hormone and follicle-stimulating hormone (FSH) in the diagnosis of female CPP and to compare the accuracy between urinary gonadotropins and serum GnRH-stimulated gonadotropins.
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Petrie, John, Yan Qi, Mark Cornwell, et al. Design of Living Barriers to Reduce the Impacts of Snowdrifts on Illinois Freeways. Illinois Center for Transportation, 2020. http://dx.doi.org/10.36501/0197-9191/20-019.

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Blowing snow accounts for a large part of Illinois Department of Transportation’s total winter maintenance expenditures. This project aims to develop recommendations on the design and placement of living snow fences (LSFs) to minimize snowdrift on Illinois highways. The research team examined historical IDOT data for resource expenditures, conducted a literature review and survey of northern agencies, developed and validated a numerical model, field tested selected LSFs, and used a model to assist LSF design. Field testing revealed that the proper snow fence setback distance should consider the local prevailing winter weather conditions, and snow fences within the right-of-way could still be beneficial to agencies. A series of numerical simulations of flow around porous fences were performed using Flow-3D, a computational fluid dynamics software. The results of the simulations of the validated model were employed to develop design guidelines for siting LSFs on flat terrain and for those with mild slopes (&lt; 15° from horizontal). Guidance is provided for determining fence setback, wind characteristics, fence orientation, as well as fence height and porosity. Fences comprised of multiple rows are also addressed. For sites with embankments with steeper slopes, guidelines are provided that include a fence at the base and one or more fence on the embankment. The design procedure can use the available right-of-way at a site to determine the appropriate fence characteristics (e.g., height and porosity) to prevent snow deposition on the road. The procedure developed in this work provides an alternative that uses available setback to design the fence. This approach does not consider snow transport over an entire season and may be less effective in years with several large snowfall events, very large single events, or a sequence of small events with little snowmelt in between. However, this procedure is expected to be effective for more frequent snowfall events such as those that occurred over the field-monitoring period. Recommendations were made to facilitate the implementation of research results by IDOT. The recommendations include a proposed process flow for establishing LSFs for Illinois highways, LSF siting and design guidelines (along with a list of suitable plant species for LSFs), as well as other implementation considerations and identified research needs.
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Berney, Ernest, Naveen Ganesh, Andrew Ward, J. Newman, and John Rushing. Methodology for remote assessment of pavement distresses from point cloud analysis. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40401.

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The ability to remotely assess road and airfield pavement condition is critical to dynamic basing, contingency deployment, convoy entry and sustainment, and post-attack reconnaissance. Current Army processes to evaluate surface condition are time-consuming and require Soldier presence. Recent developments in the area of photogrammetry and light detection and ranging (LiDAR) enable rapid generation of three-dimensional point cloud models of the pavement surface. Point clouds were generated from data collected on a series of asphalt, concrete, and unsurfaced pavements using ground- and aerial-based sensors. ERDC-developed algorithms automatically discretize the pavement surface into cross- and grid-based sections to identify physical surface distresses such as depressions, ruts, and cracks. Depressions can be sized from the point-to-point distances bounding each depression, and surface roughness is determined based on the point heights along a given cross section. Noted distresses are exported to a distress map file containing only the distress points and their locations for later visualization and quality control along with classification and quantification. Further research and automation into point cloud analysis is ongoing with the goal of enabling Soldiers with limited training the capability to rapidly assess pavement surface condition from a remote platform.
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Wei, Fulu, Ce Wang, Xiangxi Tian, Shuo Li, and Jie Shan. Investigation of Durability and Performance of High Friction Surface Treatment. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317281.

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The Indiana Department of Transportation (INDOT) completed a total of 25 high friction surface treatment (HFST) projects across the state in 2018. This research study attempted to investigate the durability and performance of HFST in terms of its HFST-pavement system integrity and surface friction performance. Laboratory tests were conducted to determine the physical and mechanical properties of epoxy-bauxite mortar. Field inspections were carried out to identify site conditions and common early HFST distresses. Cyclic loading test and finite element method (FEM) analysis were performed to evaluate the bonding strength between HFST and existing pavement, in particular chip seal with different pretreatments such as vacuum sweeping, shotblasting, and scarification milling. Both surface friction and texture tests were undertaken periodically (generally once every 6 months) to evaluate the surface friction performance of HFST. Crash records over a 5-year period, i.e., 3 years before installation and 2 years after installation, were examined to determine the safety performance of HFST, crash modification factor (CMF) in particular. It was found that HFST epoxy-bauxite mortar has a coefficient of thermal expansion (CTE) significantly higher than those of hot mix asphalt (HMA) mixtures and Portland cement concrete (PCC), and good cracking resistance. The most common early HFST distresses in Indiana are reflective cracking, surface wrinkling, aggregate loss, and delamination. Vacuum sweeping is the optimal method for pretreating existing pavements, chip seal in particular. Chip seal in good condition is structurally capable of providing a sound base for HFST. On two-lane highway curves, HFST is capable of reducing the total vehicle crash by 30%, injury crash by 50%, and wet weather crash by 44%, and providing a CMF of 0.584 in Indiana. Great variability may arise in the results of friction tests on horizontal curves by the use of locked wheel skid tester (LWST) due both to the nature of vehicle dynamics and to the operation of test vehicle. Texture testing, however, is capable of providing continuous texture measurements that can be used to calculate a texture height parameter, i.e., mean profile depth (MPD), not only for evaluating friction performance but also implementing quality control (QC) and quality assurance (QA) plans for HFST.
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