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Relevant bibliographies by topics / Pyramid (Geometry)

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Academic literature on the topic 'Pyramid (Geometry)'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 January 2023

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Journal articles on the topic "Pyramid (Geometry)"

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Dong, Jinpeng, Yuhao Huang, Songyi Zhang, Shitao Chen, and Nanning Zheng. "Construct Effective Geometry Aware Feature Pyramid Network for Multi-Scale Object Detection." Proceedings of the AAAI Conference on Artificial Intelligence 36, no. 1 (2022): 534–41. http://dx.doi.org/10.1609/aaai.v36i1.19932.

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Feature Pyramid Network (FPN) has been widely adopted to exploit multi-scale features for scale variation in object detection. However, intrinsic defects in most of the current methods with FPN make it difficult to adapt to the feature of different geometric objects. To address this issue, we introduce geometric prior into FPN to obtain more discriminative features. In this paper, we propose Geometry-aware Feature Pyramid Network (GaFPN), which mainly consists of the novel Geometry-aware Mapping Module and Geometry-aware Predictor Head.The Geometry-aware Mapping Module is proposed to make full

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Scanlon, Regina M. "Sweet-Tooth Geometry." Mathematics Teaching in the Middle School 8, no. 9 (2003): 466–69. http://dx.doi.org/10.5951/mtms.8.9.0466.

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Surface area and volume of prisms, pyramids, and cylinders are challenging topics for middle school students. For the past five or six years, at the end of a unit covering these topics, I have reinforced this material by doing a project that involves the construction of a “creature” by each student. The creature had to be made out of a pyramid and a prism. Later, I added a cylinder as another choice to use in making the project. I provide the students with materials (see fig. 1), a scoring rubric, and class time to work on the project.

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Janjanin, Bojan, and Jelena Beban-Brkić. "Analiza izmjere Keopsove piramide." KoG, no. 21 (2017): 55–71. http://dx.doi.org/10.31896/k.21.1.

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The topic of this paper is an analysis of the survey of Cheops pyramid (also known as the Great pyramid), the most significant of the three pyramids of the Giza complex, the archeological site on the plateau of Giza, situated on the periphery of Cairo. It is assumed that Cheops as well as Khafre and Menkaure pyramids were built around 2686 -- 2181 BC, known in the history as the Old Kingdom of Egypt. Our goal was to collect data about geodetic survey of Cheops pyramid and analyze it. Along with that, several hypotheses related to the construction method of the pyramid and possible purposes of

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Albrecht, Masha. "Activities for Students: The Volume of a Pyramid: Low-Tech and High-Tech Approaches." Mathematics Teacher 94, no. 1 (2001): 58–64. http://dx.doi.org/10.5951/mt.94.1.0058.

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This lesson came about spontaneously during a geometry unit on volume. I had used the lesson shown here in activity sheet 1, in which students use cubic blocks to rediscover the formulas for volumes of right prisms, that is, V = Bh and V = lwh. This lesson was a simple review for my tenth-grade class, and they completed it easily before the end of the period. With the wooden cubes still on their desks, most of them used the remaining time to build towers and other objects. I noticed that many students piled the cubes into bumpy pyramidal shapes. Because the next day's lesson involved studying

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Bidnyk, S., B. D. Little, Y. H. Cho, et al. "Room Temperature Laser Action in Laterally Overgrown GaN Pyramids on (111) Silicon." MRS Internet Journal of Nitride Semiconductor Research 4, S1 (1999): 739–44. http://dx.doi.org/10.1557/s1092578300003343.

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Single and multi-mode room temperature laser action was observed in GaN pyramids under strong optical pumping. The 5- and 15-micron-wide hexagonal-based pyramids were laterally overgrown on a patterned GaN/AlN seeding layer grown on a (111) silicon substrate by metal-organic chemical vapor deposition. The pyramids were individually pumped, imaged, and spectrally analyzed through a high magnification optical system using a high density pulsed excitation source. We suggest that the cavity formed in a pyramid is of a ring type, formed by total internal reflections of light off the pyramids’ surfa

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Fonseca, Rory. "The Geometry of Zoser's Step Pyramid at Saqqara." Journal of the Society of Architectural Historians 45, no. 4 (1986): 333–38. http://dx.doi.org/10.2307/990205.

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The Step Pyramid of Zoser at Saqqara is examined from the point of view of constructive geometry and mensuration. The evidence is that it is based on geometric proportion, though this may simply be the outcome of peg-and-chord technology employed in setting out the monument. The procedure that the architect may have followed in setting out the monument is Ad Quadratum in its most elemental form.

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Chen, Zikuan. "Pixel-pyramid model for divergent projection geometry." Optical Engineering 44, no. 2 (2005): 027002. http://dx.doi.org/10.1117/1.1844531.

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Mamolo, Ami, Margaret Sinclair, and Walter J. Whiteley. "Proportional Reasoning with a Pyramid." Mathematics Teaching in the Middle School 16, no. 9 (2011): 544–49. http://dx.doi.org/10.5951/mtms.16.9.0544.

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Kelley, Paul. "Build a Sierpinski Pyramid." Mathematics Teacher 92, no. 5 (1999): 384–86. http://dx.doi.org/10.5951/mt.92.5.0384.

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Students from Anoka High School, located in Anoka, Minnesota, built a nineteen-foot-tall Sierpinski pyramid in the Minneapolis Convention Center in conjunction with the NCTM's 75th Annual Meeting in April 1997. This activity was part of a unit on fractal geometry.

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Yan, Yong Da, Tao Sun, Shen Dong, and Ying Chun Liang. "MD Analysis on Tip Geometry Effects in AFM-Based Lithography Process." Key Engineering Materials 339 (May 2007): 228–33. http://dx.doi.org/10.4028/www.scientific.net/kem.339.228.

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A three dimensional molecular dynamics model is employed to simulate AFM-based lithography process. To investigate effects of tip geometry, three kinds of tip models are proposed: a cone-shape tip with a hemisphere at the end, a round-edged three sided pyramid tip with a hemisphere at the end and a sharp-edged three sided pyramid tip. These models simulate scratching behaviors of AFM tip at different scratching depths. Results showed that materials removal behavior and scratching forces were significantly affected by tip geometry, depending on the scratching depth and scratching directions. Th

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Dissertations / Theses on the topic "Pyramid (Geometry)"

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Haxhimusa, Yll. "The structurally optimal dual graph pyramid and its application in image partitioning /." Berlin : Akad. Verl.-Ges. Aka, 2007. http://deposit.d-nb.de/cgi-bin/dokserv?id=2948679&prov=M&dok_var=1&dok_ext=htm.

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Andrade, Sandro Antonio Godeiro de. "A pirâmide e seu volume." Universidade Federal da Paraíba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/8986.

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Submitted by Viviane Lima da Cunha (viviane@biblioteca.ufpb.br) on 2017-06-08T12:53:03Z No. of bitstreams: 1 arquivototal.pdf: 5395941 bytes, checksum: 8db3051801fa0d6b03098c592043acc8 (MD5)<br>Approved for entry into archive by Viviane Lima da Cunha (viviane@biblioteca.ufpb.br) on 2017-06-08T13:22:50Z (GMT) No. of bitstreams: 1 arquivototal.pdf: 5395941 bytes, checksum: 8db3051801fa0d6b03098c592043acc8 (MD5)<br>Made available in DSpace on 2017-06-08T13:22:50Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 5395941 bytes, checksum: 8db3051801fa0d6b03098c592043acc8 (MD5) Previous issue dat

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Bettin, Anne Desconsi Hasselmann. "O GEOGEBRA 3D NA CONSTRUÇÃO DA PIRÂMIDE A PARTIR DE SEU TRONCO: REGISTROS DE REPRESENTAÇÃO SEMIÓTICA." Centro Universitário Franciscano, 2017. http://www.tede.universidadefranciscana.edu.br:8080/handle/UFN-BDTD/585.

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Submitted by MARCIA ROVADOSCHI (marciar@unifra.br) on 2018-08-20T14:05:23Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertacao_AnneDesconsiHasselmannBettin.pdf: 6830368 bytes, checksum: 4712e0aa466d9547485849c71a6c27de (MD5)<br>Made available in DSpace on 2018-08-20T14:05:23Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertacao_AnneDesconsiHasselmannBettin.pdf: 6830368 bytes, checksum: 4712e0aa466d9547485849c71a6c27de (MD5) Previous issue date: 2017-02-16<br>The present work is the r

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Reis, Mônica de Paula Tolentino. "Área e Volume de Prisma e Pirâmide." Universidade Federal de Viçosa, 2013. http://locus.ufv.br/handle/123456789/5885.

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Made available in DSpace on 2015-03-26T14:00:06Z (GMT). No. of bitstreams: 1 texto completo.pdf: 3409808 bytes, checksum: 686182ebc97d583ffbff6107c6079126 (MD5) Previous issue date: 2013-04-15<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This paper presents strategies for teaching polyhedra in high school, focusing on the calculation of arca and volume, with applications of new technologies as free software and easily accessible in the day to day activities. Here we describe also workshops with activities related to polyhedra, with students and teachers of the school, wh

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Menezes, José Claudemir de. "Áreas e volumes : uma abordagem complementar ao livro "A matemática do ensino médio" SBM - vol 2, E. L. LIMA, et al." Universidade Federal de Sergipe, 2015. https://ri.ufs.br/handle/riufs/6517.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>In this work we are treated in detail, three subjects of mathematics that relate to each other: Plane Geometry, Geometry and Spatial Revolution Solid. In this approach, we prioritized the calculation of the area of the lateral surfaces and full of Prism, Pyramid, Cylinder, Cone and Sphere, and the calculation of its volumes in the latter, using the principle of the deduction Cavalieri their formulas. In the study of Revolution Solids, we highlight the theorems of Pappus, used to derive the formulas of surface areas and

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Ferraz, Marcelo Cardoso. "Prisma e pirâmide: um estudo didático de uma abordagem computacional." Pontifícia Universidade Católica de São Paulo, 2010. https://tede2.pucsp.br/handle/handle/11471.

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Made available in DSpace on 2016-04-27T16:59:07Z (GMT). No. of bitstreams: 1 Marcelo Cardoso Ferraz.pdf: 9476006 bytes, checksum: adfda7db7f110baa78ede97fb5b6e283 (MD5) Previous issue date: 2010-05-28<br>Secretaria da Educação do Estado de São Paulo<br>In the preliminary studies, moreover, in the bibliográphy revision, it's been observed that some works report difficulties that teachers might find when teaching the content: prism and pyramid volumes. Aiming the deepening of the knowledge related to the studies of prism and pyramid volume and aware that the theme still needs reaserch, it's be

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CHIN, HSU MEI, and 徐美智. "The Effectiveness of Object Operation Teaching on Geometric Cognition of Cones, Cylinders, Prisms and Pyramids for Junior High School Students with Disabilities." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/08579981103516048747.

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碩士<br>大葉大學<br>教育專業發展研究所<br>101<br>The Effectiveness of Object Operation Teaching on Geometric Cognition of Cones, Cylinders, Prisms and Pyramids for Junior High School Students with Disabilities. Student：Mei-Chih Hsu Advisor：Hung-Kuei Hsiao Da-Yeh University Abstract The purpose of this research is to investigate the effectiveness of object operation teaching on geometric cognition of cones, cylinders, prisms and pyramids for junior high school students with learning disabilities. The experimental teaching and cognitive assessment establish the su

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Ng, Evelyn. "Strengthening Mechanisms in Microtruss Metals." Thesis, 2012. http://hdl.handle.net/1807/34825.

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Microtrusses are hybrid materials composed of a three-dimensional array of struts capable of efficiently transmitting an externally applied load. The strut connectivity of microtrusses enables them to behave in a stretch-dominated fashion, allowing higher specific strength and stiffness values to be reached than conventional metal foams. While much attention has been given to the optimization of microtruss architectures, little attention has been given to the strengthening mechanisms inside the materials that make up this architecture. This thesis examines strengthening mechanisms in aluminum

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Books on the topic "Pyramid (Geometry)"

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Boothroyd, Jennifer. Pyramid. LernerClassroom, 2008.

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Butler, Hadyn R. Egyptian pyramid geometry: Architectural and mathematical patterning in Dynasty IV Egyptian pyramid complexes. Benben Publications, 1998.

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illustrator, Langdo Bryan, ed. Mummy math: An adventure in geometry. Scholastic, Inc., 2009.

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Pecci, Ernest F. The sacred geometry of the great pyramid: From the drawing board of its architects. Pavior Pub., 2010.

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The sacred geometry of the great pyramid: From the drawing board of its architects. Pavior Pub., 2010.

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Hanson, Anders. What in the world is a pyramid? ABDO Pub., 2008.

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illustrator, Mitter Kathy, ed. Pyramids. Magic Wagon, 2012.

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Olson, Nathan. Pirámides =: Pyramids. Capstone Press, 2012.

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Olson, Nathan. Pyramids. Capstone Press, 2008.

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Pirámides =: Pyramids. Capstone Press, 2012.

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Book chapters on the topic "Pyramid (Geometry)"

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Brun, Luc, and Walter G. Kropatsch. "Receptive Fields within the Combinatorial Pyramid Framework." In Discrete Geometry for Computer Imagery. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45986-3_8.

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Brun, Luc, Myriam Mokhtari, and Fernand Meyer. "Hierarchical Watersheds Within the Combinatorial Pyramid Framework." In Discrete Geometry for Computer Imagery. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-31965-8_4.

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Chun, Jinhee, Kunihiko Sadakane, and Takeshi Tokuyama. "Efficient Algorithms for Constructing a Pyramid from a Terrain." In Discrete and Computational Geometry. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-44400-8_11.

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Grasset-Simon, Carine, and Guillaume Damiand. "Generalized Map Pyramid for Multi-level 3D Image Segmentation." In Discrete Geometry for Computer Imagery. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11907350_45.

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Ceriotti, Matteo, Patrick Harkness, and Malcolm McRobb. "Variable-Geometry Solar Sailing: The Possibilities of the Quasi-Rhombic Pyramid." In Advances in Solar Sailing. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-34907-2_54.

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Du, Jie, Guixiang Wang, and Jiaxi Zhang. "Similarity Relation of Two-Dimensional Frustum Pyramid Fuzzy Numbers Based on the Geometry and Its Application." In Informatics in Control, Automation and Robotics. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25992-0_7.

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Brun, Luc, and Walter Kropatsch. "Introduction to Combinatorial Pyramids." In Digital and Image Geometry. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45576-0_7.

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Karpenkov, Oleg. "On Empty Simplices, Pyramids, Parallelepipeds." In Geometry of Continued Fractions. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39368-6_15.

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Karpenkov, Oleg N. "On Empty Simplices, Pyramids, Parallelepipeds." In Geometry of Continued Fractions. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65277-0_19.

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Kropatsch, Walter G. "Abstraction Pyramids on Discrete Representations." In Discrete Geometry for Computer Imagery. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45986-3_1.

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Conference papers on the topic "Pyramid (Geometry)"

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Tasli, H. Emrah, Ronan Sicre, Theo Gevers, and A. Aydin Alatan. "Geometry-constrained spatial pyramid adaptation for image classification." In 2014 IEEE International Conference on Image Processing (ICIP). IEEE, 2014. http://dx.doi.org/10.1109/icip.2014.7025209.

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Wang, Yu, Charlie C. L. Wang, and Matthew M. F. Yuen. "3D “Micro’’-Geometry Modeling From Image Cues." In ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/detc2002/cie-34479.

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This paper presents an approach to construct 3D microstructure of a surface from a single image. By integrating our technique with traditional CAD tools, the surface modeling results have clear ‘micro’ surface structures. Firstly, a multi-pyramid image segmentation algorithm is applied on the single image to extract the objective region. Our segmentation algorithm is an energy-based model, and it is accelerated by multi-pyramid. In the following, we use a modified shape from shading (SFS) model to construct the 3D surface described in the extracted image region. Our method is a global SFS appr

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Hur, Junhwa, Hwasup Lim, Changsoo Park, and Sang Chul Ahn. "Generalized Deformable Spatial Pyramid: Geometry-preserving dense correspondence estimation." In 2015 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2015. http://dx.doi.org/10.1109/cvpr.2015.7298745.

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Tailor, V. K., A. H. Gandhi, R. D. Moliya, and H. K. Raval. "Finite Element Analysis of Deformed Geometry in Three-Roller Plate Bending Process." In ASME 2008 International Manufacturing Science and Engineering Conference collocated with the 3rd JSME/ASME International Conference on Materials and Processing. ASMEDC, 2008. http://dx.doi.org/10.1115/msec_icmp2008-72439.

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In pyramid type three-roller bending process, it is difficult to deform the plate perfectly to the required circular shape and it mainly depends on the skill of the operator. Presented work shows the finite element (FE) simulations of three-roller plate bending process to study the influence of different parameters, such as roller position, rolling speed, plate material, plate length and friction (at roller plate interfaces) on the bending quality of the deformed plate. FE simulations were performed based on the elastic–plastic explicit dynamic finite element method under the Hyperform LS-DYNA

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Carranza, Richard G. "Spine Fin Efficiency – A Three Sided Pyramidal Fin of Isosceles Triangular Cross-Sectional Area." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32137.

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An analytical, closed form, solution is presented for determining the fin efficiency of a spine fin with the geometry of a three sided pyramid with isosceles triangular cross-sectional area (from here on referred to as TSPICA). The solution is presented purely in terms of Bessel functions. The TSPICA is modeled using fundamental formulas of geometry. The governing equation is derived from a heat balance around the fin.

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Astapov, Andrew, Vladimir Alexandrovich Frolov, and Vladimir Alexandrovich Galaktionov. "Pyramid HBAO — a Scalable Horizon-based Ambient Occlusion Method." In 31th International Conference on Computer Graphics and Vision. Keldysh Institute of Applied Mathematics, 2021. http://dx.doi.org/10.20948/graphicon-2021-3027-48-63.

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Screen-space Ambient Occlusion (SSAO) methods have become an integral part of the process of calculating global illumination effects in real-time applications. The use of ambient occlusion improves the perception of the geometry of the scene, and also makes a significant contribution to the realism of the rendered image. However, the problems of accuracy and efficiency of algorithms of calculating ambient occlusion remain relevant. Most of the existing methods have similar algorithmic complexity, what makes their use in real-time applications very limited. The performance issues of methods wor

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Ruszkiewicz, Brandt J., John T. Roth, and David H. Johnson. "Locally Applied Direct Electric Current’s Effect on Springback of 2024-T3 Aluminum After Single Point Incremental Forming." In ASME 2015 International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/msec2015-9429.

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Incremental forming is a sheet metal forming technology that utilizes a spherical tipped tool and a CNC machine to form a part through a series of spiraling tool paths. Springback is one of the largest concerns for incremental forming since a part can be the exact shape desired after forming until the part is unclamped from its forming fixtures, at which point it will springback due to the residual stresses resident in a part due to the forming process. This paper demonstrates how locally applied electric current can be utilized to reduce the springback due to residual stresses. The tests cond

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Baldwin, Drake D., and Edwin A. Peraza Hernandez. "Design of Tensegrity-Based Lattices With Engineered Load-Bearing and Thermal Expansion Properties." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22705.

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Abstract Tensegrity lattices are networks of axially loaded members designed to efficiently use material and exhibit properties such as minimum mass load-carrying or energy absorption capabilities. This work entails the modeling and design of tensegrity “D-bar” lattices with specified orthotropic compressive strength. The objectives for the design of the lattices include minimum mass density and minimum error between the orthotropic coefficients of thermal expansion (CTEs) of the lattice and given target values. The studied D-bar structures are formed by joining two equal pyramids base-to-base

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Ruszkiewicz, Brandt J., Sean S. Dodds, Zachary C. Reese, John T. Roth, and Ihab Ragai. "Incrementally Formed Stiffeners Effect on the Reduction of Springback in 2024-T3 Aluminum After Single Point Incremental Forming." In ASME 2015 International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/msec2015-9437.

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Single Point Incremental Forming (SPIF) is a relatively new process to form sheet metal. SPIF utilizes machines such as CNC’s and mills to form a part by making several spiraled passes, deforming the metal a certain distance, known as the step-size, with each pass. One major issue with this process is global springback. Once the metal is removed from its clamping fixture, the residual stresses that resulted from the forming process cause the material to springback. The purpose of this paper is to demonstrate how incrementally forming a stiffener on the outside of the desired geometry will mani

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Kumar, Pavan, Satwik Priyadarshi, J. J. Roy, M. K. Samal, P. K. Jain, and Puneet Tandon. "Effect of Tool Shape on Surface Finish of Components Formed Through Incremental Sheet Forming Process." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-53282.

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This work explores the effect of tool geometry on surface finish in incremental sheet forming (ISF) process. In the present work, two different tool geometries i.e. hemispherical shaped tool and ellipsoidal shaped tool are considered. Area at tool-sheet contact and scallop height were calculated for both the tool geometries. To assess the effect of tool geometry on the surface finish of the formed components, both analytical and experimental approaches have been used. A test geometry having the shape of frustum of pyramid was considered for the proposed investigation and four surface roughness

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