Relevant bibliographies by topics / Visibilite 3D

Contents

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

Academic literature on the topic 'Visibilite 3D'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "Visibilite 3D"

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KIM, JAEHO, HYUNGSEOK KIM, and KWANGYUN WOHN. "VISIBILITY PREPROCESSING FOR COMPLEX 3D SCENES USING HARDWARE-VISIBILITY QUERIES." International Journal of Image and Graphics 06, no. 01 (2006): 1–21. http://dx.doi.org/10.1142/s0219467806002069.

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In cases of densely occluded urban scenes, it is useful to determine the visibility of scenes, since only small parts of the scene are visible from a given cell. In this paper, we introduce a new visibility preprocessing method that efficiently computes potentially visible objects for volumetric cells. The proposed method deals with general 3D polygonal models and invisible objects jointly blocked by multiple occluders. The proposed approach decomposes volume visibility into a set of point visibilities, and then computes point visibility using hardware-visibility queries. We carry out experime
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Durand, Frédo, George Drettakis, and Claude Puech. "The 3D visibility complex." ACM Transactions on Graphics 21, no. 2 (2002): 176–206. http://dx.doi.org/10.1145/508357.508362.

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LAZARD, SYLVAIN, CHRISTOPHE WEIBEL, SUE WHITESIDES, and LINQIAO ZHANG. "A SUCCINCT 3D VISIBILITY SKELETON." Discrete Mathematics, Algorithms and Applications 02, no. 04 (2010): 567–89. http://dx.doi.org/10.1142/s1793830910000899.

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The 3D visibility skeleton is a data structure that encodes the global visibility information of a set of 3D objects. While it is useful in answering global visibility queries, its large size often limits its practical use. In this paper, we address this issue by proposing a subset of the visibility skeleton, which is empirically about 25% to 50% of the whole set. We show that the rest of the data structure can be recovered from the subset as needed, partially or completely. The running time complexity, which we analyze in terms of output size, is efficient. We also prove that the subset is mi
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Babič, Matej, Ninoslav Marina, Andrej Mrvar, Kumar Dookhitram, and Michele Calì. "A New Method for Biostatistical miRNA Pattern Recognition with Topological Properties of Visibility Graphs in 3D Space." Journal of Healthcare Engineering 2019 (June 11, 2019): 1–9. http://dx.doi.org/10.1155/2019/4373760.

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Visibility is a very important topic in computer graphics and especially in calculations of global illumination. Visibility determination, the process of deciding which surface can be seen from a certain point, has also problematic applications in biomedical engineering. The problem of visibility computation with mathematical tools can be presented as a visibility network. Instead of utilizing a 2D visibility network or graphs whose construction is well known, in this paper, a new method for the construction of 3D visibility graphs will be proposed. Drawing graphs as nodes connected by links i
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Gal, O., and Y. Doytsher. "VISIBLE ROUTES IN 3D DENSE CITY USING REINFORCEMENT LEARNING." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-4/W10 (September 12, 2018): 41–46. http://dx.doi.org/10.5194/isprs-archives-xlii-4-w10-41-2018.

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<p><strong>Abstract.</strong> In the last few years, the 3D GIS domain has developed rapidly, and has become increasingly accessible to different disciplines. 3D Spatial analysis of Built-up areas seems to be one of the most challenging topics in the communities currently dealing with spatial data. One of the most basic problems in spatial analysis is related to visibility computation in such an environment. Visibility calculation methods aim to identify the parts visible from a single point, or multiple points, of objects in the environment.</p><p> In this work,
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Gal, Oren, and Yerach Doytsher. "Fast and efficient visible trajectories planning for the Dubins UAV model in 3D built-up environments." Robotica 32, no. 1 (2013): 143–63. http://dx.doi.org/10.1017/s0263574713000787.

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SUMMARYIn this paper, we study the visible trajectories planning for unmanned aerial vehicles (UAVs) modeled with a Dubins airplane in 3D urban environments. Our method is based on a fast and exact spatial visibility analysis of the 3D visibility problem from a viewpoint in 3D built-up environments. We consider the 3D urban environment buildings modeled as cubes (3D boxes) and present an analytic solution to the visibility problem. Based on an analytic solution, the algorithm computes the exact visible and hidden parts from a viewpoint in the urban environment. We present a local trajectory pl
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Arif, Muhammad, Adriaan Moelker, and Theo van Walsum. "Needle Tip Visibility in 3D Ultrasound Images." CardioVascular and Interventional Radiology 41, no. 1 (2017): 145–52. http://dx.doi.org/10.1007/s00270-017-1798-7.

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FEKETE, SÁNDOR R., and HENK MEIJER. "RECTANGLE AND BOX VISIBILITY GRAPHS IN 3D." International Journal of Computational Geometry & Applications 09, no. 01 (1999): 1–27. http://dx.doi.org/10.1142/s0218195999000029.

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We discuss rectangle and box visibility representations of graphs in 3-dimensional space. In these representations, vertices are represented by axis-aligned disjoint rectangles or boxes. Two vertices are adjacent if and only if their corresponding boxes see each other along a small axis-parallel cylinder. We concentrate on lower and upper bounds for the size of the largest complete graph that can be represented. In particular, we examine these bounds under certain restrictions: What can be said if we may only use boxes of a limited number of shapes? Some of the results presented are as follows
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Wierzbicka, Małgorzata, Witold Szyfter, Grażyna Greczka, and Wojciech Gawęcki. "Otosurgery with the High-Definition Three-Dimensional (3D) Exoscope: Advantages and Disadvantages." Journal of Clinical Medicine 10, no. 4 (2021): 777. http://dx.doi.org/10.3390/jcm10040777.

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Background: The aim of the study was to describe our initial experience with the high-definition three-dimensional (3D) exoscope for middle ear surgery versus the operating microscope. Methods: The study included 60 randomly chosen patients diagnosed with otosclerosis (n = 30) or chronic otitis media (n = 30) with a clinical indication for surgery. The primary measurement was the subjective estimation of quality of the visibility of the operating field provided by the 3D exoscope—VITOM-3D (Karl Storz, Tuttlingen, Germany) in comparison to the operating microscope. Results: All procedures, exce
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Díaz-Vilariño, L., L. González-deSantos, E. Verbree, G. Michailidou, and S. Zlatanova. "FROM POINT CLOUDS TO 3D ISOVISTS IN INDOOR ENVIRONMENTS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-4 (September 19, 2018): 149–54. http://dx.doi.org/10.5194/isprs-archives-xlii-4-149-2018.

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<p><strong>Abstract.</strong> Visibility is a common measure to describe the spatial properties of an environment related to the spatial behaviour. Isovists represent the space that can be seen from one observation point, and they are used to analyse the existence of obstacles affecting or blocking intervisibility in an area. Although point clouds depict the as-built reality in a very detailed and accurate way, literature addressing the analysis of visibility in 3D, and more specifically the usage of point clouds to visibility analysis, is rather limited. In this paper, a met
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Dissertations / Theses on the topic "Visibilite 3D"

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Eikel, Benjamin [Verfasser]. "Spherical visibility sampling : preprocessed visibility for occlusion culling in complex 3D scenes / Benjamin Eikel." Paderborn : Universitätsbibliothek, 2014. http://d-nb.info/1046385879/34.

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Glisse, Marc. "Combinatoire des droites et segments pour la visibilité 3D." Phd thesis, Université Nancy II, 2007. http://tel.archives-ouvertes.fr/tel-00192337.

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Cette thèse présente principalement des résultats sur la combinatoire des droites et segments qui apparaissent naturellement dans l'étude des problèmes de visibilité en trois dimensions. Nous exposons en premier lieu des résultats sur la taille de la silhouette d'un objet vu d'un point, c'est à dire sur la complexite de l'ensemble des droites ou segments tangents à l'objet et passant par le point. Nous présentons en particulier les premières bornes théoriques non triviales pour des polyèdres non-convexes, à savoir que, sous des hypothèses raisonnables, la complexité moyenne de la silhouette es
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Biasutti, Pierre. "2D Image Processing Applied to 3D LiDAR Point Clouds." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0161/document.

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L'intérêt toujours grandissant pour les données cartographiques fiables, notamment en milieu urbain, a motivé le développement de systèmes de cartographie mobiles terrestres. Ces systèmes sont conçus pour l'acquisition de données de très haute précision, telles que des nuages de points LiDAR 3D et des images optiques. La multitude de données, ainsi que leur diversité, rendent complexe le traitement des données issues de ce type de systèmes. Cette thèse se place dans le contexte du traitement de l'image appliqué au nuages de points LiDAR 3D issus de ce type de système.Premièrement, nous nous in
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Suleiman, Wassim. "Analyse de visibilité et géolocalisation en milieu urbain avec un modèle numérique 3D." Phd thesis, Université Jean Monnet - Saint-Etienne, 2013. http://tel.archives-ouvertes.fr/tel-01060183.

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L'analyse de visibilité est une question importante de la recherche qui peut trouver des applications dans de nombreux domaines: sécurité, conception de réseau sans fil, gestion du paysage, mise en oeuvre d'accès piétonniers .... La prise en compte de la troisième dimension dans le calcul de visibilité est un réel défi. Seules quelques solutions peuvent détecter les obstacles 3D qui limitent l'isovist. Dans cette communication, nous présentons un nouvel algorithme qui peut détecter tous les objets qui bloquent la vue dans un environnement 30 reconstitué numériquement intégrant le relief. Une d
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Goethals, Andrea. "Use of 3D program visualization to show visibility, cohesion, and quality of Java class elements." [Gainesville, Fla.] : University of Florida, 2002. http://purl.fcla.edu/fcla/etd/UFE1000125.

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Thesis (M.S.)--University of Florida, 2002.<br>Title from title page of source document. Document formatted into pages; contains v, 152 p.; also contains graphics. Includes vita. Includes bibliographical references.
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Paß, Mario. "The New Skyline of Berlin : A 3D GIS shadow and visibility analysis at the Alexanderplatz." Thesis, Umeå universitet, Institutionen för geografi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184742.

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The capital of Germany Berlin will undergo a change in its skyline in the next few years.Due to a new housing policy that allows the construction of higher buildings, Berlinwill soon have several skyscrapers over 130 m high directly at Alexanderplatz as wellas next the Berlin landmark, the Berlin TV Tower.With the help of ArcGIS, the newbuildings are shown in 3D along with the impact of these buildings on the view to theTV Tower and the shadows cast by the new buildings on the Alexanderplatz. It is shownthat due to the new buildings, some areas around the Alexanderplatz no longer have acomplet
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Petruželka, Jiří. "Výpočet viditelnosti v 3D bludišti." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2014. http://www.nusl.cz/ntk/nusl-236125.

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Ben, salah Imeen. "Extraction d'un graphe de navigabilité à partir d'un nuage de points 3D enrichis." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMR070/document.

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Les caméras sont devenues de plus en plus communes dans les véhicules, les smartphones et les systèmes d'aide à la conduite ADAS (Advanced Driver Assistance Systèmes). Les domaines d'application de ces caméras dans le monde des systèmes intelligents de transport deviennent de plus en plus variés : la détection des piétons, les avertissements de franchissement de ligne, la navigation... La navigation basée sur la vision a atteint une certaine maturité durant ces dernières années grâce à l'utilisation de technologies avancées. Les systèmes de navigation basée sur la vision ont le considérable av
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Nader, Georges. "Calcul du seuil de visibilité d’une distorsion géometrique locale sur un maillage et ses applications." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1239/document.

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Les opérations géométriques appliquées aux maillages 3D introduisent des dis torsions géométriques qui peuvent être visibles pour un observateur humain. Dans cette thèse, nous étudions l’impact perceptuel de ces distorsions. Plus précisément, notre objectif est de calculer le seuil à partir duquel les distorsions géométriques locales deviennent visibles. Afin d’atteindre notre but, nous définissons tout d’abord des caractéristiques perceptuelles pour les maillages 3D. Nous avons ensuite effectué une étude expérimentale des propriétés du système visuel humain (sensibilité au contraste et effet
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Peng, Chao. "Real-time Visualization of Massive 3D Models on GPU Parallel Architectures." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/50573.

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Real-time rendering of massive 3D models has been recognized as a challenging task due to the limited computational power and memory available in a workstation. Most existing acceleration techniques, such as mesh simplification algorithms with hierarchical data structures, suffer from the nature of sequential executions. As data complexity increases due to the fundamental advances in modeling and simulation technologies, 3D models become complex and require gigabytes in storage. Consequently, visualizing such large datasets becomes a computationally intensive process where sequential solutions
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Book chapters on the topic "Visibilite 3D"

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Feiner, Steven K., and Dorée Duncan Seligmann. "Dynamic 3D Illustrations with Visibility Constraints." In Scientific Visualization of Physical Phenomena. Springer Japan, 1991. http://dx.doi.org/10.1007/978-4-431-68159-5_29.

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Štola, Jan. "3D Visibility Representations by Regular Polygons." In Graph Drawing. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11805-0_31.

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Štola, Jan. "3D Visibility Representations of Complete Graphs." In Graph Drawing. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24595-7_21.

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Langer, Michael S. "Surface Visibility Probabilities in 3D Cluttered Scenes." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-88682-2_31.

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Angelini, Patrizio, Michael A. Bekos, Michael Kaufmann, and Fabrizio Montecchiani. "3D Visibility Representations of 1-planar Graphs." In Lecture Notes in Computer Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73915-1_9.

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Lazard, Sylvain, Christophe Weibel, Sue Whitesides, and Linqiao Zhang. "On the Computation of 3D Visibility Skeletons." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14031-0_50.

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Amri Musliman, Ivin, Behnam Alizadehashrafi, Tet-Khuan Chen, and Alias Abdul-Rahman. "Modeling Visibility through Visual Landmarks in 3D Navigation using Geo-DBMS." In Developments in 3D Geo-Information Sciences. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04791-6_9.

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Moet, Esther, Christian Knauer, and Marc van Kreveld. "Visibility Maps of Segments and Triangles in 3D." In Computational Science and Its Applications - ICCSA 2006. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11751540_3.

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Durand, Frédo, George Drettakis, and Claude Puech. "The 3D visibility complex : a new approach to the problems of accurate visibility." In Eurographics. Springer Vienna, 1996. http://dx.doi.org/10.1007/978-3-7091-7484-5_25.

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van Nes, Akkelies, and Claudia Yamu. "Orientation and Wayfinding: Measuring Visibility." In Introduction to Space Syntax in Urban Studies. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-59140-3_3.

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AbstractIn this chapter, we explain how the analytical logic of space syntax is applied for visibility analysis. In the previous chapter, the focus was on presenting all public spaces as axial sightlines. The individual axial line is a one-dimensional (1D) representation of public space and is useful for analysing the interrelationship of public spaces on a citywidescale. At the neighbourhoodscale, a two-dimensional (2D) representation of spatial elements can be useful. In particular, the public realm, such as public squares, parks, and wide streets, benefits from a 2D spatial analysis with a visual field using araster-based as well as an all-line modelling approach. In order to explain visibility analysis in space syntax, we start with the well-known 2D geographical visibility analysis ‘isovist’ as a field of vision. We build upon and explain visibility point-depthanalysisand visual graph analysis. Further, we demonstrate how the simple point-depth calculations contribute to a theory on space and urban centrality. In addition, we discuss 3D isovists. Furthermore, we also demonstrate and discuss the use of the all-lineanalysis. Finally, we expound upon agent-based modelling. Exercises are provided at the end of this chapter.
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Conference papers on the topic "Visibilite 3D"

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NouriBygi, Mojtaba, and Mohammad Ghodsi. "3D Visibility and Partial Visibility Complex." In 2007 International Conference on Computational Science and its Applications (ICCSA 2007). IEEE, 2007. http://dx.doi.org/10.1109/iccsa.2007.1.

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NouriBygi, Mojtaba, and Mohammad Ghodsi. "3D Visibility and Partial Visibility Complex." In 2007 International Conference on Computational Science and its Applications (ICCSA 2007). IEEE, 2007. http://dx.doi.org/10.1109/iccsa.2007.82.

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Ebel, S., W. Waizenegger, M. Reinhardt, O. Schreer, and I. Feldmann. "Visibility-driven patch group generation." In 2014 International Conference on 3D Imaging (IC3D). IEEE, 2014. http://dx.doi.org/10.1109/ic3d.2014.7032597.

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Howard, Daniel, Michael Green, Ramanathan Palaniappan, and Nikil Jayant. "Visibility of Digital Video Artifacts in Stereoscopic 3D and Comparison to 2D." In SMPTE Stereoscopic 3D Conference. IEEE, 2010. http://dx.doi.org/10.5594/m001407.

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Durand, Frédo, George Drettakis, and Claude Puech. "3D visibility made visibly simple." In the thirteenth annual symposium. ACM Press, 1997. http://dx.doi.org/10.1145/262839.263093.

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Kim, Jaeho, HyungSeok Kim, and KwangYun Wohn. "Visibility preprocessing for complex 3D scenes using hardware-visibility queries." In Fourth ionternational conference On Virtual Reality and Its Applications in Industry, edited by Jizhou Sun and Zhigeng Pan. SPIE, 2004. http://dx.doi.org/10.1117/12.561105.

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May, Keenan R., Briana Sobel, Jeff Wilson, and Bruce N. Walker. "Auditory Displays to Facilitate Object Targeting in 3D Space." In ICAD 2019: The 25th International Conference on Auditory Display. Department of Computer and Information Sciences, Northumbria University, 2019. http://dx.doi.org/10.21785/icad2019.008.

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In both extreme and everyday situations, humans need to find nearby objects that cannot be located visually. In such situations, auditory display technology could be used to display information supporting object targeting. Unfortunately, spatial audio inadequately conveys sound source elevation, which is crucial for locating objects in 3D space. To address this, three auditory display concepts were developed and evaluated in the context of finding objects within a virtual room, in either low or no visibility conditions: (1) a one-time height-denoting “area cue,” (2) ongoing “proximity feedback
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Sagawa, Ryusuke, Nozomu Kasuya, Yoshinori Oki, Hiroshi Kawasaki, Yoshio Matsumoto, and Ryo Furukawa. "4D Capture Using Visibility Information of Multiple Projector Camera System." In 2014 2nd International Conference on 3D Vision (3DV). IEEE, 2014. http://dx.doi.org/10.1109/3dv.2014.70.

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Гонахчян, Вячеслав, and Vyacheslav Gonahchyan. "Adaptive Rendering of Dynamic 3D Scenes." In 29th International Conference on Computer Graphics, Image Processing and Computer Vision, Visualization Systems and the Virtual Environment GraphiCon'2019. Bryansk State Technical University, 2019. http://dx.doi.org/10.30987/graphicon-2019-1-32-36.

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Rendering of dynamic 3d scenes is challenging because it is impossible to perform preprocessing to merge and simplify polygonal models, to precalculate visibility information. The dynamic behavior of objects (visibility change, movement) is causing command buffers rebuilding and rejecting of invisible objects often does not result in performance gains. We propose an adaptive method for visualizing dynamic scenes, which selects the most efficient method for recording and using command buffers and the number of hardware occlusion queries. Proposed adaptive method is based on the performance mode
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Gu, Shanbo, Feng Shao, Gangyi Jiang, Fucui Li, and Mei Yu. "An objective visibility threshold measurement method for asymmetric stereoscopic images." In 2011 International Conference on Photonics, 3D-imaging, and Visualization. SPIE, 2011. http://dx.doi.org/10.1117/12.910578.

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Reports on the topic "Visibilite 3D"

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Stapleton, Timothy, and Helen Koo. An Analysis of Visibility Aids for Biomotion Through 3D Eye-tracking Systems. Iowa State University, Digital Repository, 2016. http://dx.doi.org/10.31274/itaa_proceedings-180814-1740.

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