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Relevant bibliographies by topics / Circle patterns

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Academic literature on the topic 'Circle patterns'

Author: Grafiati

Published: 4 June 2021

Last updated: 19 February 2022

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Journal articles on the topic "Circle patterns"

1

Schlenker, J. M. "Hyperideal circle patterns." Mathematical Research Letters 12, no. 1 (2005): 85–102. http://dx.doi.org/10.4310/mrl.2005.v12.n1.a9.

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GDAWIEC, KRZYSZTOF. "STAR-SHAPED SET INVERSION FRACTALS." Fractals 22, no. 04 (2014): 1450009. http://dx.doi.org/10.1142/s0218348x14500091.

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In the paper, we generalized the idea of circle inversion to star-shaped sets and used the generalized inversion to replace the circle inversion transformation in the algorithm for the generation of the circle inversion fractals. In this way, we obtained the star-shaped set inversion fractals. The examples that we have presented show that we were able to obtain very diverse fractal patterns by using the proposed extension and that these patterns are different from those obtained with the circle inversion method. Moreover, because circles are star-shaped sets, the proposed generalization allows

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Iltaf, Asim, Massab Junaid, Fahd N. khan, and Azhar Hussain. "Microstructure, mechanical properties, residual stresses and texture analysis of Ti-5Al-2.5Sn alloy weldments obtained using electron beam of different oscillation patterns." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 17 (2020): 3484–96. http://dx.doi.org/10.1177/0954406220916550.

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Electron beam welding was used for welding of Ti-5Al-2.5Sn alloy using three types of beam oscillation patterns, i.e. elliptical, concentric circles and arrow shape waveform. The influence of these patterns on microstructure, mechanical properties and residual stresses was investigated using optical microscopy, electron back scattered diffraction, scanning electron microscopy, microhardness measurement, residual stress measurement, impact testing, smooth and notch tensile testing. A partial martensitic transformation was observed in the fusion zone of all the three welding patterns. The fusion

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Schlenker, Jean-Marc. "Circle Patterns on Singular Surfaces." Discrete & Computational Geometry 40, no. 1 (2007): 47–102. http://dx.doi.org/10.1007/s00454-007-9045-7.

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Lan, Shi-Yi, and Dao-Qing Dai. "C∞-Convergence of Circle Patterns to Minimal Surfaces." Nagoya Mathematical Journal 194 (2009): 149–67. http://dx.doi.org/10.1017/s002776300000965x.

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AbstractGiven a smooth minimal surface F: Ω → ℝ3 defined on a simply connected region Ω in the complex plane ℂ, there is a regular SG circle pattern . By the Weierstrass representation of F and the existence theorem of SG circle patterns, there exists an associated SG circle pattern in ℂ with the combinatoric of . Based on the relationship between the circle pattern and the corresponding discrete minimal surface F∊: → ℝ3 defined on the vertex set of the graph of , we show that there exists a family of discrete minimal surface Γ∊: → ℝ3, which converges in C∞(Ω) to the minimal surface F: Ω → ℝ3

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Lan, Shi-Yi, and Dao-Qing Dai. "Variational principles for branched circle patterns." Nonlinear Analysis: Theory, Methods & Applications 67, no. 2 (2007): 498–511. http://dx.doi.org/10.1016/j.na.2006.06.008.

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Kharevych, Liliya, Boris Springborn, and Peter Schröder. "Discrete conformal mappings via circle patterns." ACM Transactions on Graphics 25, no. 2 (2006): 412–38. http://dx.doi.org/10.1145/1138450.1138461.

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Lis, Marcin. "Circle Patterns and Critical Ising Models." Communications in Mathematical Physics 370, no. 2 (2019): 507–30. http://dx.doi.org/10.1007/s00220-019-03541-1.

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Гирш and A. Girsh. "Surface From Circle Rotation." Geometry & Graphics 5, no. 1 (2017): 32–35. http://dx.doi.org/10.12737/25121.

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Descriptive geometry, as the elementary one, studies the real world by its abstractions. But Euclid’s geometry of the real world is conjugated to pseudo-Euclidean geometry, and they make a conjugated pair. As a consequence, each real figure is conjugated with some imaginary pattern. This paper apart from some science facts demonstrates the presence of imaginary patterns in geometric constructions, where the imaginary patterns manifest themselves as singularities or as geometrically imaginary points (GIP) in “Real — Imaginary” conjugate pairs. The study is conducted, as a rule, from simple to c

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Summers, Jeffery J., Winston D. Byblow, Don F. Bysouth-Young, and Andras Semjen. "Bimanual Circle Drawing during Secondary Task Loading." Motor Control 2, no. 2 (1998): 106–13. http://dx.doi.org/10.1123/mcj.2.2.106.

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Seven right-handed participants performed bimanual circling movements in either a symmetrical or an asymmetrical coordination mode. Movements were paced with an auditory metronome at predetermined frequencies corresponding to transition frequency, where asymmetrical patterns became unstable, or at two-thirds transition frequency, where both symmetrical and asymmetrical patterns were stable. The pacing tones were presented in either a high (1000 Hz) or low (500 Hz) pitch, and the percentage of high-pitched tones during a 20 s trial varied between 0% and 70%. Participants were instructed to coun

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Dissertations / Theses on the topic "Circle patterns"

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Springborn, Boris Andre Michael. "Variational principles for circle patterns." [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=969719892.

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Agafonov, Sergej I. [Verfasser], Joachim H. [Akademischer Betreuer] Rieger, Wolfgang K. [Akademischer Betreuer] Schief, and Yuri B. [Akademischer Betreuer] Suris. "Geometry of two integrable systems : discrete functions Zc via circle patterns, conservation laws and linear congruences / Sergey Agafonov. Betreuer: Joachim H. Rieger ; Wolfgang K. Schief ; Yuri B. Suris." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2010. http://d-nb.info/1024937593/34.

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Rice, Dorothy Ann. "Patterns of progress and social mobility in some Northamptonshire families circa 1460 to 1560." Thesis, University of Leicester, 1996. http://hdl.handle.net/2381/35589.

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The aim of this thesis is to add to the growing body of knowledge about the effects of local and national events on the survival and fortunes of individual families and to explore the contribution of these families to the political scene. The dates, circa 1460 to 1560, were chosen partly because this was a.period of change and partly because it is a relatively neglected period; bridging as it does the Medieval and Early Modern divide. The first part explores the financial and political fortunes of ten families. All of them came to be residents of Northamptonshire during this period but this is

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Church, Flora. "An inquiry into the transition from late woodland to late prehistoric cultures in the central Scioto Valley, Ohio circa A.D. 500 to A.D. 1250." Connect to resource, 1987. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1232541325.

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Scharin, Gunnar. "Karaktäristiken hos strukturmarken på olika altitud i Abiskoområdet – en koppling till klimat och komplex systemteori." Licentiate thesis, Uppsala universitet, Kulturgeografiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-225355.

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Subarctic and alpine areas are sensitive to climatic change when they lie at the margin of permafrost occurrence. Patterned ground in such areas is generated from an interplay among different mechanisms such as temperature, hydrology, soil texture, snow cower and vegetation. The aim of this study is to describe the connection between patterned ground characteristics and altitude and to evaluate the impact different variables have on the appearance of patterned ground. To understand these interactions is a discussion of self-organization processes, threshold effects and feedback mechanisms esse

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McCormick, Elizabeth Laing. "Crosses in circulation : Processes and patterns of acquistion and display of early Medieval sculpture in the national museums of Britain and Ireland, circa 1850 to 1950." Thesis, University of York, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533485.

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Amara, Mounir. "Segmentation de tracés manuscrits. Application à l'extraction de primitives." Rouen, 1998. http://www.theses.fr/1998ROUES001.

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Ce travail expose la modélisation de courbes par des éléments de droites, cercles et côniques dans une même formulation grâce à un filtrage étendu de Kalman. L'application est la segmentation des tracés manuscrits par une succession de primitives géométriques. Pour l'ajustement, nous décrivons les différentes courbes par des équations cartésiennes. Ces équations sont soumises à une contrainte de normalisation de manière à obtenir une estimation précise et robuste des paramètres des primitives géométriques. Ces deux équations, écrites sous forme implicite, constituent le système d'observation.

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Kharevych, Liliya. "Circle Patterns Documentation 1.0 [Supplemental material for Masters thesis: Implementation of circle pattern parameterization (2006)] -- GO TO FOR FILES." Thesis, 2006. https://thesis.library.caltech.edu/2016/1/thesis.pdf.

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Circle Pattern is a novel method for the construction of discrete conformal mappings from surface meshes of arbitrary topology to the plane. This approach is based on representing mesh as arrangements of circles – one for each face – with prescribed intersection angles. Given these angles the circle radii follow as the unique minimizer of a convex energy. The method supports very flexible boundary conditions ranging from free boundaries to control of the boundary shape via prescribed curvatures. Closed meshes of genus zero can be parameterized over the sphere. To parameterize higher genus mesh

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Springborn, Boris Andre Michael [Verfasser]. "Variational principles for circle patterns / vorgelegt von Boris Andre Michael Springborn." 2003. http://d-nb.info/969719892/34.

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Abairid, Mabrouk R. "Tracing centre-lines of digital patterns using maximal-square and maximal-circle algorithms." Thesis, 1987. http://spectrum.library.concordia.ca/5444/1/ML35557.pdf.

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Books on the topic "Circle patterns"

1

McDonald, Leigh E. Adventures in circles: Rediscovering the circle. Martingale & Company, 2008.

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McDonald, Leigh E. Adventures in circles: Rediscovering the circle. Martingale & Company, 2008.

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Circle quilts: Create dramatic medallions from strip-pieced rings. C&T Pub., 2011.

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Circle pizzazz: 12 vibrant quilt projects : easy curves--endless possibilities. C&T Publishing, 2013.

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Eig, Edith. Mother of purl: Friends, fun, and fabulous designs at Hollywood's knitting circle. HarperCollins Publishers, 2005.

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Wagner, Debra. Striplate piecing: Piecing circle designs with speed and accuracy. American Quilter's Society, 1994.

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Sew a Circle of Friends: Adorable cloth doll projects. Sterling Publishing, 1997.

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Youngs, Rosemary. The Amish circle quilt: 121 quilt block patterns that tell a story. Kp Books, 2004.

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Haddadin, Renae. Amazing ways to use circles & rays. American Quilter's Society, 2010.

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Haddadin, Renae. Amazing ways to use circles & rays. American Quilter's Society, 2010.

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Book chapters on the topic "Circle patterns"

1

Bobenko, Alexander, and Yuri Suris. "Discrete complex analysis. Integrable circle patterns." In Graduate Studies in Mathematics. American Mathematical Society, 2008. http://dx.doi.org/10.1090/gsm/098/08.

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Makri, Frosso S., and Andreas N. Philippou. "Binomial Distributions of Order K on the Circle." In Runs and Patterns in Probability. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4613-3635-8_5.

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Springborn, Boris A. "Constructing Circle Patterns Using a New Functional." In Mathematics and Visualization. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05105-4_3.

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Nixon, Mark S. "Circle extraction via least squares and the Kalman filter." In Computer Analysis of Images and Patterns. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/3-540-57233-3_27.

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Schramm, Oded. "Circle Patterns with the Combinatorics of the Square Grid." In Selected Works of Oded Schramm. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9675-6_8.

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Bücking, Ulrike. "Minimal Surfaces from Circle Patterns: Boundary Value Problems, Examples." In Discrete Differential Geometry. Birkhäuser Basel, 2008. http://dx.doi.org/10.1007/978-3-7643-8621-4_2.

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Stankiewicz, Edward. "Grammatical Categories and Their Formal Patterns." In Prague Linguistic Circle Papers / Travaux du cercle linguistique de Prague N.S. John Benjamins Publishing Company, 1999. http://dx.doi.org/10.1075/plcp.3.06sta.

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O'Keefe, Christine M. "A comparison of key distribution patterns constructed from circle geometries." In Advances in Cryptology — AUSCRYPT '92. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/3-540-57220-1_89.

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Hann, M. A., and I. S. Moxon. "Circles and Circular Designs." In Patterns. Routledge, 2018. http://dx.doi.org/10.4324/9781315268842-8.

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Sandnes, Frode Eika. "Exploring Circular Hough Transforms for Detecting Hand Feature Points in Noisy Images from Ghost-Circle Patterns." In Communications in Computer and Information Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71711-7_2.

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Conference papers on the topic "Circle patterns"

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Egab, Karim, Saad K. Oudah, M. Alwazzan, Jamil Khan, and Chen Li. "Influence of Pattern Geometry of Hybrid Surfaces on Dropwise Condensation Heat Transfer and Droplet Dynamics." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88571.

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The scope of combining two wettability regions is to impact the droplet dynamic behaviors, manipulate the droplets’ mobility and enhance condensation heat transfer. Hydrophobic-hydrophilic hybrid patterns can promote the heat transfer, droplet-renewal frequency and enhance the droplets’ removal during condensation. With regard of condensation on hybrid surfaces, the geometry of the patterns has a significant influence on droplets departure frequency and heat transfer performance. Therefore, different patterns geometries (circle, ellipse, and diamond) have been developed on horizontal copper tu

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Kharevych, Liliya, Boris Springborn, and Peter Schröder. "Discrete conformal mappings via circle patterns." In ACM SIGGRAPH 2005 Courses. ACM Press, 2005. http://dx.doi.org/10.1145/1198555.1198665.

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"DESIGNING PERSIAN FLORAL PATTERNS USING CIRCLE PACKING." In International Conference on Computer Graphics Theory and Applications. SciTePress - Science and and Technology Publications, 2012. http://dx.doi.org/10.5220/0003850101350142.

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Tang, Yifan, Cairong Zhao, and Duoqian Miao. "Circle-Block Local Binary Patterns for Face Recognition." In 2015 International Conference on Electromechanical Control Technology and Transportation. Atlantis Press, 2015. http://dx.doi.org/10.2991/icectt-15.2015.90.

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Pegna, Joseph, Chi Guo, and Thierry P. Hilaire. "Design of a Nanometric Position Sensor Based on Computational Metrology of the Circle." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0040.

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Abstract The work presented in this paper derives from the design of a position sensing interferometer, in which circular fringe patterns are automatically analyzed by a computer vision system. Central to this process is a circle fitting problem in the sense of least Linfinity norm, also known as Chebichev or MinMax fit. The problem at hand can be formulated as follows: Given a set of points in the plane, find the pair of concentric circles with minimum radial gap enclosing all the points. The solution to this problem is elegantly given by common computational geometry tools, indeed the center

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Xu, Jianqiang, Xiaoping Li, and Feng Xie. "Face Recognition under Varying Illumination Based on Local Binary Patterns with Circle Threshold." In 2013 International Conference on Computer Sciences and Applications (CSA). IEEE, 2013. http://dx.doi.org/10.1109/csa.2013.83.

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Nannan Wang, Liqing Wang, and Hsi-Tseng Chou. "Synthesis of circle-polarized planar array antennas to produce near-field contoured patterns." In 2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC). IEEE, 2016. http://dx.doi.org/10.1109/apemc.2016.7522756.

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Leutz, Ralf, and Harald Ries. "Squaring the circle: the use of microstructures for converting and homogenizing beam patterns." In Optical Science and Technology, SPIE's 48th Annual Meeting, edited by R. John Koshel. SPIE, 2003. http://dx.doi.org/10.1117/12.506792.

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Sato, Shin, Noriaki Asada, Hirohide Demura, and Naru Hirata. "Extraction of craters as concentric circle patterns of contours on the lunar digital terrain model." In IGARSS 2011 - 2011 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2011. http://dx.doi.org/10.1109/igarss.2011.6049175.

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Chun, Youngjae, Daniel S. Levi, K. P. Mohanchandra, and Gregory P. Carman. "Fabrication Processes for Creating Micro Features in Thin Film NiTi Endovascular Grafts." In ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2009. http://dx.doi.org/10.1115/smasis2009-1249.

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Micro features were created in thin film NiTi using a novel lift-off process to create an endovascular biomedical device. This manuscript describes fabrication problems with wet etching and introduces an effective way, named “Lift-off” process to solve undercut and nonuniform pattern issues. Two lift-off processes (i.e., lift-off I and II) are discussed. Lift-off I process has fracture issues and the film peels off the substrate due to high aspect ratio post structures. Lift-off II process use the film on the top of the Si substrate to fabricate various shape patterns (i.e., ellipse, diamond,

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