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Relevant bibliographies by topics / Pattern dimensions

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Academic literature on the topic 'Pattern dimensions'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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Journal articles on the topic "Pattern dimensions"

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Zhang, Xin Li, Li Min Jia, and Jie Li. "Project Management Pattern Selection of Post-Disaster Reconstruction Projects Based on Multi-Dimensions Perspective." Applied Mechanics and Materials 501-504 (January 2014): 2659–63. http://dx.doi.org/10.4028/www.scientific.net/amm.501-504.2659.

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This study selects nine indicators impacting on project management pattern selection of post-disaster reconstruction projects. Questionnaire investigation is carried out based on the nine indicators and the needed data for this study is collected. Using factor analysis method, the nine indicators are classified into three main dimensions, which are internal factors, external factors and project goals. Correlation analysis between three main dimensions and six project management patterns is conducted to find the key dimension affecting each management pattern selection. According to the above analysis process, this study provides a selection flowchart of post-disaster reconstruction project management pattern, which may provide a new way for post-disaster reconstruction project pattern selection.

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KEVREKIDIS, P. G., and D. J. FRANTZESKAKIS. "PATTERN FORMING DYNAMICAL INSTABILITIES OF BOSE–EINSTEIN CONDENSATES." Modern Physics Letters B 18, no. 05n06 (March 12, 2004): 173–202. http://dx.doi.org/10.1142/s0217984904006809.

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In this short topical review, we revisit a number of works on the pattern-forming dynamical instabilities of Bose–Einstein condensates in one- and two-dimensional settings. In particular, we illustrate the trapping conditions that allow the reduction of the three-dimensional, mean field description of the condensates (through the Gross–Pitaevskii equation) to such lower dimensional settings, as well as to lattice settings. We then go on to study the modulational instability in one dimension and the snaking/transverse instability in two dimensions as typical examples of long-wavelength perturbations that can destabilize the condensates and lead to the formation of patterns of coherent structures in them. Trains of solitons in one dimension and vortex arrays in two dimensions are prototypical examples of the resulting nonlinear waveforms, upon which we briefly touch at the end of this review.

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Hurrelbrink, Jurgen, and Ulf Rehmann. "Splitting Patterns and Trace Forms." Canadian Mathematical Bulletin 41, no. 1 (March 1, 1998): 71–78. http://dx.doi.org/10.4153/cmb-1998-011-8.

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AbstractThe splitting pattern of a quadratic form q over a field k consists of all distinct Witt indices that occur for q over extension fields of k. In small dimensions, the complete list of splitting patterns of quadratic forms is known. We show that all splitting patterns of quadratic forms of dimension at most nine can be realized by trace forms.

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VON BRECHT, JAMES H., DAVID UMINSKY, THEODORE KOLOKOLNIKOV, and ANDREA L. BERTOZZI. "PREDICTING PATTERN FORMATION IN PARTICLE INTERACTIONS." Mathematical Models and Methods in Applied Sciences 22, supp01 (April 2012): 1140002. http://dx.doi.org/10.1142/s0218202511400021.

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Large systems of particles interacting pairwise in d dimensions give rise to extraordinarily rich patterns. These patterns generally occur in two types. On one hand, the particles may concentrate on a co-dimension one manifold such as a sphere (in 3D) or a ring (in 2D). Localized, space-filling, co-dimension zero patterns can occur as well. In this paper, we utilize a dynamical systems approach to predict such behaviors in a given system of particles. More specifically, we develop a nonlocal linear stability analysis for particles uniformly distributed on a d - 1 sphere. Remarkably, the linear theory accurately characterizes the patterns in the ground states from the instabilities in the pairwise potential. This aspect of the theory then allows us to address the issue of inverse statistical mechanics in self-assembly: given a ground state exhibiting certain instabilities, we construct a potential that corresponds to such a pattern.

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Gu, Bingfei, Guolian Liu, and Bugao Xu. "Individualizing women’s suit patterns using body measurements from two-dimensional images." Textile Research Journal 87, no. 6 (July 21, 2016): 669–81. http://dx.doi.org/10.1177/0040517516636001.

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The goal of this study was to develop an approach that could automatically generate the customized patterns for women’s suits based on the body measurements taken from two-dimensional (2D) frontal and side images of a subject. The 26 important pattern dimensions relevant to certain body dimensions were first chosen, and the mapping relationships between the body and pattern dimensions were then established for pattern alterations. For the body dimensions (e.g. girths) that could not be directly measured in the 2D images, prediction models were created based on the available width and depth measurements. The body measurements from the 2D images (auto-measurements) of 295 subjects were compared with the corresponding manual measurements, which showed a good correlation between the auto and manual measurements. The try-on test of five suits made with the altered patterns demonstrated the good fitting effects of the customized suits at important characteristic landmarks of five participating subjects through a visual evaluation. The subjective test also showed a satisfactory result of clothing fit under five different postures. Since this pattern-making method is originated from the relationship between the features of a human body and the elements of a pattern prototype, the generated patterns are individualized by unique body shapes to attain a good fit. This method can also accelerate the pattern-making process, reducing human efforts, costs, and production time.

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Vere-Jones, David. "On the fractal dimensions of point patterns." Advances in Applied Probability 31, no. 03 (September 1999): 643–63. http://dx.doi.org/10.1017/s0001867800009344.

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When fractal dimensions are estimated from an observed point pattern, there is some ambiguity as to the interpretation of the quantity being estimated. (The point pattern itself has dimension zero.) Two possible interpretations are described. In the first of these, the observation region is regarded as being held fixed, while observations accumulate with time. In this case, provided the process is stationary and ergodic in time, and the cumulants satisfy certain regularity constraints, the dimension estimates consistently estimate the Rényi moment dimensions of the marginal distribution in space. If the regularity constraints are not satisfied, then different limits can be obtained according to the manner in which the limits are taken. In the second case, the process is regarded as being stationary and ergodic in its spatial component, time being held fixed. In this case the estimates provide consistent estimates of the initial power-law rates of growth of the moment measures of the Palm distribution, the estimates for successively higher Rényi dimensions estimating the growth rates for successively higher-order moment measures of the Palm distribution. Several examples are given, to illustrate the different types of behaviour which may occur, including the case where the points are generated by a dynamical system.

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Vere-Jones, David. "On the fractal dimensions of point patterns." Advances in Applied Probability 31, no. 3 (September 1999): 643–63. http://dx.doi.org/10.1239/aap/1029955197.

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When fractal dimensions are estimated from an observed point pattern, there is some ambiguity as to the interpretation of the quantity being estimated. (The point pattern itself has dimension zero.) Two possible interpretations are described. In the first of these, the observation region is regarded as being held fixed, while observations accumulate with time. In this case, provided the process is stationary and ergodic in time, and the cumulants satisfy certain regularity constraints, the dimension estimates consistently estimate the Rényi moment dimensions of the marginal distribution in space. If the regularity constraints are not satisfied, then different limits can be obtained according to the manner in which the limits are taken.In the second case, the process is regarded as being stationary and ergodic in its spatial component, time being held fixed. In this case the estimates provide consistent estimates of the initial power-law rates of growth of the moment measures of the Palm distribution, the estimates for successively higher Rényi dimensions estimating the growth rates for successively higher-order moment measures of the Palm distribution.Several examples are given, to illustrate the different types of behaviour which may occur, including the case where the points are generated by a dynamical system.

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Day, Charles. "Chemical pattern formation in three dimensions." Physics Today 64, no. 4 (April 2011): 20. http://dx.doi.org/10.1063/1.3583700.

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de Rezende, P. J., and D. T. Lee. "Point Set pattern matching ind-dimensions." Algorithmica 13, no. 4 (April 1995): 387–404. http://dx.doi.org/10.1007/bf01293487.

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Will, Elizabeth, and James E. Faust. "Comparison of Container Placement Patterns for Maximizing Greenhouse Space Use." HortScience 32, no. 3 (June 1997): 479E—480. http://dx.doi.org/10.21273/hortsci.32.3.479e.

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A model was developed that will calculate the maximum number of containers that can be placed in a specified area. There are basically three patterns of container placement. First, “square” placement involves placing pots in parallel rows in both directions so that any four pots form a square. The other two methods involve staggered patterns in which any three containers form a triangle. In the “long staggered” pattern, the long rows are parallel to the long dimension of the bench or floor space, while in the “short staggered” pattern, long rows are parallel to the short dimension of the bench. Comparisons of spacing patterns were made using a range of greenhouse/bench dimensions and container sizes. In most cases, a staggered arrangement allowed a significant increase in the number of containers fitting on a bench as compared to square placement. For example, when 6-inch pots are placed pot-to-pot in an 8 × 50-foot greenhouse section or bench, “short staggered” or “long staggered” arrangement of containers permitted 10.4% to 11.9% more containers over that allowed by a square pattern. In general, the larger the bench or greenhouse section, the greater the benefit of staggered spacing. The difference between short and long staggered was usually less than 3%, and depended on the specific space dimensions. This model can be easily entered into a spreadsheet for growers to perform their own calculations.

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Dissertations / Theses on the topic "Pattern dimensions"

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Lopez-Bonilla, Roman Ernesto. "Object recognition in three-dimensions for robotic applications." Thesis, University of Bradford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305752.

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Grant, Jeremy. "Wavelet-Based Segmentation of Fluorescence Microscopy Images in Two and Three Dimensions." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/GrantJ2008.pdf.

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Orwin, Claire Nicola. "An evaluation of the performance of an optical measurement system for the three-dimensional capture of the shape and dimensions of the human body." Thesis, De Montfort University, 2000. http://hdl.handle.net/2086/4908.

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As the clothing industry moves away from traditional models of mass production there has been increased interest towards customised clothing. The technology to produce cost effective customised clothing is already in place however the prerequisite to customised clothing is accurate body dimensional data. In response, image capture systems have been developed which are capable of recording a three-dimensional image of the body, from which measurements and shape information may be extracted. The use of these systems for customised clothing has, to date, been limited due to issues of inaccuracy, cost and portability. To address the issue of inaccuracy a diagnostic procedure has been developed through the performance evaluation of an image capture system. By systematically evaluating physical and instrumental parameters the more relevant sources of potential error were identified and quantified and subsequently corrected to form a `closed loop' experimental procedure. A systematic test procedure is therefore presented which may be universally applied to image capture systems working on the same principle. The methodology was based upon the isolation and subsequent testing of variables that were thought to be potential sources of error. The process therefore included altering the physical parameters of the target object in relation to the image capture system and amending the configuration and calibration settings within the system. From the evaluation the most relevant sources of error were identified as the cosine effect, measurement point displacement, the dimensional differences between views and the influence of the operator in measurement. The test procedure proved to be effective in both evaluating the performance of the system under investigation and in enabling the quantification of errors. Both random and systematic errors were noted which may be quantified or corrected to enable improved accuracy in the measured results. Recommendations have been made for the improvement of the performance of the current image capture system these include the integration of a cosine effect correction algorithm and suggestions for the automation of the image alignment process. The limitations of the system such as its reliance on manual intervention for both the measurement and stitching processes, are discussed, as is its suitability for providing dimensional information for bespoke clothing production. Recommendations are also made for the creation of an automated test procedure for testing the performance of alternative image capture systems, which involves evaluating the accuracy of object replication both for multiple and single image capture units using calibration objects which combine a range of surfaces.

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Zegarra-Baquerizo, Hugo, Katica Moreno-Sékula, Leslie Casas-Apayco, and Hugo Ghersi-Miranda. "Mandibular condyle dimensions in Peruvian patients with Class II and Class III skeletal patterns." Universidad de Concepcion, 2017. http://hdl.handle.net/10757/622425.

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Objective: To compare condylar dimensions of young adults with Class II and Class III skeletal patterns using cone-beam computed tomography (CBCT). Materials and methods: 124 CBCTs from 18-30 year-old patients, divided into 2 groups according to skeletal patterns (Class II and Class III) were evaluated. Skeletal patterns were classified by measuring the ANB angle of each patient. The anteroposterior diameter (A and P) of the right and left mandibular condyle was assessed from a sagittal view by a line drawn from point A (anterior) to P (posterior). The coronal plane allowed the evaluation of the medio-lateral diameter by drawing a line from point M (medium) to L (lateral); all distances were measured in mm. Results: In Class II the A-P diameter was 9.06±1.33 and 8.86±1.56 for the right and left condyles respectively, in Class III these values were 8.71±1.2 and 8.84±1.42. In Class II the M-L diameter was 17.94±2.68 and 17.67±2.44 for the right and left condyles respectively, in Class III these values were 19.16±2.75 and 19.16±2.54. Conclusion: Class III M-L dimensions showed higher values than Class II, whereas these differences were minimal in A-P.

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Benamrane, Nacéra. "Contribution à la vision stéréoscopique par mise en correspondance de régions." Valenciennes, 1994. https://ged.uphf.fr/nuxeo/site/esupversions/f861a6a0-1e2f-489c-8859-05c0368d8969.

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La maîtrise de la vision 3D est le préalable de la vision artificielle des machines; la stéréovision s'appuie sur l'appariement de primitives issues des deux images de la même scène 3D. Dans ce mémoire, les primitives choisies sont les régions, plus facilement détectables que les segments et les points. La mise en correspondance des deux images est basée sur deux méthodes originales, segmentation (division-fusion) d'une part et d'appariement d'autre part. La segmentation est obtenue par optimisations locales et une hiérarchie de critères d'homogénéité. La segmentation traduisant chaque image en un arbre d'adjacence, la mise en correspondance est obtenue à l'aide d'une fonction à paramètres multiples: photométriques, topologiques et morpho-géométriques sous forme d'un graphe relationnel où est recherchée une compatibilité maximale (ensemble de règles) d'hypothèses d'appariement traduites par ce graphe d'appariement. Par ailleurs, calibrage et incertitudes des points homologues sont analysés et les résultats comparés à ceux obtenus par diverses autres méthodes.

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Alexandre, Salles. "Contemporary financial globalisation in historical perspective : dimensions, preconditions and consequences of the recent and unprecedented surge in global financial activity." Thesis, University of Hertfordshire, 2008. http://hdl.handle.net/2299/2629.

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The subject of this thesis is financial globalisation in historical perspective, and its key contribution is to demonstrate the J-curve as an alternative depiction of financial globalisation since the classical Gold Standard period. As a preliminary and essential step, some definitions and clarifications on globalisation are provided in a literature review. Then, fundamental issues are considered to assess financial globalisation, so that both the goals and the boundaries of the thesis are clearly stated. Throughout the historical period in debate, there were two waves of financial globalisation: the first one occurring during the 1870-1914 period, and the second lasting from the end of the Bretton Woods agreements until the present day. The dominant approach in economics asserts that the degree of commercial and financial integration corresponds over time to a U-shaped pattern, i.e. markets presented high levels of integration during the forty years before WWI. Then, this integration collapsed in the years between the wars, recovering gradually after the Bretton Woods agreements until it reached again in the 1990s the same pre-1914 level of integration. The thesis approaches this model focusing on the financial side. Then, according to the U-curve, contemporary financial globalisation is not unprecedented. This thesis proposes an alternative view. In contrast to the mainstream U-curve, the empirical data provided indicates that today’s financial integration is unprecedented and more pervasive in some key financial markets than it was during the pre-1914 era. The empirical evidence provided proposes that a J-shaped pattern is a more appropriate way to interpret how financial markets have evolved since the late 19th century. The Jshape suggests that in some financial achieved a huge surge from the 1990s to 2005, surpassing the previous level of integration. So, in these markets, contemporary financial globalisation is unprecedented from the 1990s onwards. The J-curve does not mean that all financial markets became more globalised during the late 20th century in comparison to the Gold Standard era, but only some that presented the U-shape from 1870 to 1995. Qualitative aspects of the J-curve are examined. The different institutional frameworks underlying each historical period are discussed revealing that new institutional arrangements, policy changes, technological advances in ICT and a wide range of financial innovations are the key driving forces that have spurred today’s financial globalisation to higher levels than in the past. Finally, the last chapter assesses the key macroeconomic implications of this new era for the world economy.

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Liao, Guo-Jun [Verfasser], Sabine [Akademischer Betreuer] Klapp, Sabine [Gutachter] Klapp, and Felix [Gutachter] Höfling. "Self-assembly and pattern formation of complex active colloids in two dimensions / Guo-Jun Liao ; Gutachter: Sabine Klapp, Felix Höfling ; Betreuer: Sabine Klapp." Berlin : Technische Universität Berlin, 2021. http://d-nb.info/1238143105/34.

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Jones, Mary Elizabeth Song Il-Yeol. "Dimensional modeling : identifying patterns, classifying patterns, and evaluating pattern impact on the design process /." Philadelphia, Pa. : Drexel University, 2006. http://dspace.library.drexel.edu/handle/1860/743.

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ALAHMAD, MOUHAMAD. "Developpement de methodes de vision par ordinateur : extraction de primitives geometriques." Université Louis Pasteur (Strasbourg) (1971-2008), 1986. http://www.theses.fr/1986STR13192.

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Cette these concerne le developpement de methodes de vision par ordinateur, destinees a l'extraction de caracteristiques geometriques (barycentre, surface, perimetre, axe principal et orientation) pour identifier, localiser et comparer des objets a partir d'images en deux dimensions

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Šmíd, Jiří. "Možnosti uplatnění moderních metod při výrobě prototypových odlitků." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229708.

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The introduction part of the thesis focuses on the overview of rapid prototyping in foundry industry. Principles of the most important RP methods are described and the FDM method is analyzed in more detail. This method was used in the practical part for the production of wax patterns with silicone moulds. The wax patterns were used for the production of castings using the lost wax method. The result of this work is determination of dimensional changes during the whole process of casting manufacture from the drawing to the final casting.

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Books on the topic "Pattern dimensions"

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Elliott, Verda. The seventeen pattern types: A study of repeat pattern in two dimensions. Hendersonville, N.C: Emerald Press, 1990.

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International Seminar on Poverty in Bihar: Pattern, Dimensions, and Eradication Strategies (2010 Patna, India). International Seminar on Poverty in Bihar: Pattern, dimensions, and eradication strategies, 18-20 April 2010, Patna : a report. New Delhi: Institute for Human Development, 2010.

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Quiltcraft: New dimensions from past traditions. Piscataway, N.J: New Century Publishers, 1986.

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DeLancey, Elaine. Quiltcraft: New dimensions from past traditions. Piscataway, N.J: New Century Press, 1985.

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Dobbs, Phyllis M. Dimensional quilts. Iola, Wis: Krause, 2003.

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Three-dimensional appliqué. Radnor, Pa: Chilton Book Co., 1993.

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Baumgarten, Matthias. Multi-dimensional sequential and associative pattern mining. [S.l: The Author], 2004.

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Three-dimensional pieced quilts. Radnor, Pa: Chilton Book Co., 1995.

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Dietrich, Daniel S. Predicting radiation characteristics from antenna physical dimensions. Monterey, Calif: Naval Postgraduate School, 1992.

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Kaashoek, J. F. Modeling one dimensional pattern formation by anti-diffusion. Amsterdam: Centrum voor Wiskunde en Informatica =, 1990.

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Book chapters on the topic "Pattern dimensions"

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Davoodi, Pooya, John Iacono, Gad M. Landau, and Moshe Lewenstein. "Range Minimum Query Indexes in Higher Dimensions." In Combinatorial Pattern Matching, 149–59. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19929-0_13.

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Chaudhuri, A. Ray, A. Basu, S. K. Bhandari, and B. B. Chaudhuri. "Consistent set estimation in k-dimensions : An efficient approach." In Advances in Pattern Recognition, 667–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0033291.

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Zhou, Haoyi, Xiao Bai, Jun Zhou, Haichuan Yang, and Yun Liu. "Learning Graph Model for Different Dimensions Image Matching." In Graph-Based Representations in Pattern Recognition, 158–67. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18224-7_16.

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Creutzburg, Reiner, and Evgeni Ivanov. "Fast algorithm for computing fractal dimensions of image segments." In Recent Issues in Pattern Analysis and Recognition, 42–51. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/3-540-51815-0_40.

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George, Sherin, P. R. Suresh, P. A. Wahid, Ramesh B. Nair, and K. I. Punnoose. "Active root distribution pattern of Hevea brasiliensis determined by radioassay of latex serum." In Agroforestry for Commodity Production: Ecological and Social Dimensions, 11–17. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-90-481-3365-9_2.

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Wei, Juncheng, and Matthias Winter. "Existence and Stability of Spikes for the Gierer-Meinhardt System in Two Dimensions." In Mathematical Aspects of Pattern Formation in Biological Systems, 107–48. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-5526-3_6.

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Adamopoulos, Efstathios, and Fulvio Rinaudo. "Documenting the State of Preservation of Historical Stone Sculptures in Three Dimensions with Digital Tools." In Pattern Recognition. ICPR International Workshops and Challenges, 666–73. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68796-0_48.

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Knobler, C. M., K. Stine, and B. G. Moore. "Experimental Studies of Phase Transitions and Pattern Formation in Two Dimensions." In Springer Proceedings in Physics, 130–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76008-2_27.

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Nagai, T., K. Kawasaki, and S. Ohta. "Vertex Model of Cellular Pattern Growth in Two and Three Dimensions." In Springer Proceedings in Physics, 179–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76008-2_31.

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Frühwirth, Rudolf, and Are Strandlie. "Vertex Finding." In Pattern Recognition, Tracking and Vertex Reconstruction in Particle Detectors, 131–41. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-65771-0_7.

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AbstractVertex finding is the search for clusters of tracks that originate at the same point in space. The chapter discusses a variety of methods for finding primary vertices, first in one and then in three dimensions. Details are given on model-based clustering, the EM algorithm and clustering by deterministic annealing in 1D, and greedy clustering, iterated estimators, topological vertex finding, and a vertex finder based on medical imaging in 3D.

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Conference papers on the topic "Pattern dimensions"

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Nasihatkon, Behrooz, Richard Hartley, and Jochen Trumpf. "On Projective Reconstruction in Arbitrary Dimensions." In 2014 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2014. http://dx.doi.org/10.1109/cvpr.2014.68.

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Nene, S. A., and S. K. Nayar. "Closest point search in high dimensions." In Proceedings of IEEE Conference on Computer Vision and Pattern Recognition. IEEE, 1996. http://dx.doi.org/10.1109/cvpr.1996.517172.

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Saetiaw, Charinsak, Apichart Intarapanich, and Chanchai Thongsopa. "Relations Between 3-Dimensions Antenna Pattern and Narrowband MIMO Capacity." In 2007 Asia-Pacific Microwave Conference - (APMC 2007). IEEE, 2007. http://dx.doi.org/10.1109/apmc.2007.4555088.

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Pang, Yanwei, Zhengkai Liu, and Qian Zhang. "Feature extraction using filtered projections and fractal dimensions." In Third International Symposium on Multispectral Image Processing and Pattern Recognition, edited by Hanqing Lu and Tianxu Zhang. SPIE, 2003. http://dx.doi.org/10.1117/12.539879.

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Borghesani, Valentina, Maria Dolores De Hevia, Arnaud Viarouge, Pedro Pinheiro Chagas, Evelyn Eger, and Manuela Piazza. "Comparing magnitudes across dimensions: a univariate and multivariate approach." In 2016 International Workshop on Pattern Recognition in Neuroimaging (PRNI). IEEE, 2016. http://dx.doi.org/10.1109/prni.2016.7552345.

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Mohamed, S. A., and M. M. Fahmy. "Image compression using block pattern-vector quantization with variable codevector dimensions." In [Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing. IEEE, 1992. http://dx.doi.org/10.1109/icassp.1992.226227.

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LIU, KAIXUAN, JIANPING WANG, XIANYI ZENG, XUYUAN TAO, and PASCAL BRUNIAUX. "USING ARTIFICIAL INTELLIGENCE TO PREDICT HUMAN BODY DIMENSIONS FOR PATTERN MAKING." In Conference on Uncertainty Modelling in Knowledge Engineering and Decision Making (FLINS 2016). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813146976_0154.

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Yan, Xin, Xiuxiu Chen, and Kun He. "Influence of Shroud Seal Dimensions on Aerodynamic Performance of Steam Turbine Stages: Part II — Hole-Pattern Seal." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56921.

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The hole-pattern seal is usually used as a replacement of honeycomb seal due to their similarities in geometry and performance (leakage and rotordynamic). Compared with the honeycomb seal, the hole-pattern seal is easier to be manufactured and installed thus it is welcomed by the manufactures. However, most current literatures about the hole-pattern seal mainly addressed the rotordynamic characteristic of the shaft seal. Almost no research attempts to give an insight into the aerodynamic performance of the hole-pattern seal applied in turbine stages. Therefore, the main objective of the present paper is to investigate how the hole-pattern seal geometries, i.e. sealing clearance, hole-diameter and hole-depth, affect the aerodynamic performance of the steam turbine stages. With the commercial CFD (Computational Fluid Dynamics) software ANSYS CFX11.0, the leakage rates and aerodynamic efficiencies for the two stages with hole-pattern shroud seals were obtained and compared with those configured with honeycomb shroud seals at a range of seal dimensions. The results show that the leakage rate from the hole-pattern shroud seal is a bit higher than that from the honeycomb shroud seal at the same geometrical parameters (i.e. sealing clearance, hole/cell-diameter and hole/cell-depth). However, for these two configurations, the aerodynamic efficiencies are very close at the small sealing clearance cases. Big differences are shown at the large sealing clearance cases due to the difference in hole-area ratio. For the turbine stages with various hole-diameters and hole-depths, the aerodynamic performance of the turbine stages with honeycomb/hole-pattern seals are mainly affected by the flow patterns at the seal outlet if the sealing clearance is fixed. The sealing clearance has little effect on the flow pattern in the cells/holes, but it has a significant effect on the flow fields in the seal outlet chamber, thus affects the secondary flow development in the downstream flow paths.

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Sako, H., and A. V. W. Smith. "Real-time facial expression recognition based on features' positions and dimensions." In Proceedings of 13th International Conference on Pattern Recognition. IEEE, 1996. http://dx.doi.org/10.1109/icpr.1996.547025.

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"Image Pyramids as a New Approach for the Determination of Fractal Dimensions." In International Conference on Pattern Recognition Applications and Methods. SciTePress - Science and and Technology Publications, 2013. http://dx.doi.org/10.5220/0004325902390243.

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Reports on the topic "Pattern dimensions"

1

Sabau, Adrian S., and Nick Cannell. Predicting Pattern Tooling and Casting Dimensions for Investment Casting, Phase III. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/923051.

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Sabau, Adrian S. Predicting Pattern Tooling and Casting Dimensions for Investment Casting - Phase II. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/974578.

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Sabau, Adrian S. Predicting Pattern Tooling and Casting Dimensions for Investment Casting, Phase III. Office of Scientific and Technical Information (OSTI), April 2008. http://dx.doi.org/10.2172/932641.

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Nick Cannell and Adrian S. Sabau. Predicting Pattern Tooling and Casting Dimensions for Investment Casting, Phase II. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/850402.

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5

Zahn, C. Two-Dimensional Pattern Description and Recognition Via Curvaturepoints. Office of Scientific and Technical Information (OSTI), June 2018. http://dx.doi.org/10.2172/1453851.

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Arikati, S. R., A. Dessmark, A. Lingas, and M. Marathe. Approximation algorithms for maximum two-dimensional pattern matching. Office of Scientific and Technical Information (OSTI), July 1996. http://dx.doi.org/10.2172/248298.

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Peters, T. J. A Fast Algorithm for Plotting Antenna and Scattering Patterns in Three Dimensions. Fort Belvoir, VA: Defense Technical Information Center, August 1991. http://dx.doi.org/10.21236/ada240410.

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Shrira, Victor I., and Guillemette Caulliez. Three-dimensional Water Wave Patterns in Gravity and Gravity-Capillary Range. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada629424.

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Cannell, Nick, Mark Samonds, Adi Sholapurwalla, and Sam Scott. Energy Saving Melting andRevert Reduction Technology (E0SMARRT): Predicting Pattern Tooling and Casting Dimension for Investment Casting. Office of Scientific and Technical Information (OSTI), November 2008. http://dx.doi.org/10.2172/1024605.

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Lee, Y. Tina. On extending the standard for the exchange of product data to represent two-dimensional apparel pattern pieces. Gaithersburg, MD: National Institute of Standards and Technology, 1990. http://dx.doi.org/10.6028/nist.ir.4358.

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