Relevant bibliographies by topics / Variations in shape

Contents

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

Academic literature on the topic 'Variations in shape'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Variations in shape"

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Azis, Andy, Alchalil Alchalil, Adi Setiawan, and Nurul Islami. "STUDI EKSPERIMENTAL WIND TUNNEL TIPE SUBSONIC RANGKAIAN TERBUKA DENGAN VARIASI BENTUK HONYECOMB." Malikussaleh Journal of Mechanical Science and Technology 7, no. 2 (2023): 105. http://dx.doi.org/10.29103/mjmst.v7i2.13491.

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Honeycomb is applied to the Open Series Subsonic Wind Tunnel which aims to obtain a unidirectional fluid flow shape with uniform (laminar) and stable fluid flow velocities. Honeycomb testing was carried out experimentally at a flow velocity of 3 m / s without honeycomb using a variety of shapes: hexagonal, square, and circular. Each honeycomb shaped to 8mm diameter. The results of the analysis on honeycomb testing with variations in shape obtained the value of turbulence intensity that occurs in the test section, namely for hexagonal shape variations the flow that occurs is better than circula
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Otty Ratna Wahjuni, Ramadhan Hardani Putra, and Baharudin Wiradika Harahap. "Anatomical variation of the incisive canal: A CBCT study at Universitas Airlangga Academic Dental Hospital." World Journal of Advanced Research and Reviews 17, no. 2 (2023): 551–55. http://dx.doi.org/10.30574/wjarr.2023.17.2.0221.

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Incisive canal located in maxillary anterior of hard palate around maxillary central incisor region that acts as a tunnel between the oral cavity and the nose. Incisive canal provide sensory innervation to the nasal septum and the anterior mucosa of the hard palate. The anatomical shape of the incisive canal varies individually, hence, should be considered before surgical intervention in the oral cavity. To determine the distribution of anatomical variations of the incisive canal in the sagittal section at Universitas Airlangga Academic Dental Hospital using Cone Beam Computed Tomography (CBCT
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Otty, Ratna Wahjuni, Hardani Putra Ramadhan, and Wiradika Harahap Baharudin. "Anatomical variation of the incisive canal: A CBCT study at Universitas Airlangga Academic Dental Hospital." World Journal of Advanced Research and Reviews 17, no. 2 (2023): 551–55. https://doi.org/10.5281/zenodo.8108881.

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Incisive canal located in maxillary anterior of hard palate around maxillary central incisor region that acts as a tunnel between the oral cavity and the nose. Incisive canal provide sensory innervation to the nasal septum and the anterior mucosa of the hard palate. The anatomical shape of the incisive canal varies individually, hence, should be considered before surgical intervention in the oral cavity. To determine the distribution of anatomical variations of the incisive canal in the sagittal section at Universitas Airlangga Academic Dental Hospital using Cone Beam Computed Tomography (CBCT
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Amol A, Shinde, Agrawal Sakshi, and Patel Dinesh K. "Splenic Notches and Morphometrics of Spleen as Tools for Sexual Dimorphism: an Analysis in Pune Region of Maharashtra." International Research Journal of Multidisciplinary Scope 06, no. 01 (2025): 833–40. https://doi.org/10.47857/irjms.2025.v06i01.02752.

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Variations in shapes and morphometry of spleen is seen. Number and location of splenic notches show regional variation. This study is done to determine tools for sexual dimorphism of spleen. 72 spleen of known sex were used from cadavers used for 1st MBBS dissection. Shape, number and location of splenic notches were noted. Length, breadth, thickness and weight of spleen were calculated. Triangular shaped spleen was seen most commonly. Maximum 5 notches were seen on a spleen. Morphometric measurements showed regional variations and sexual dimorphism. We conclude that formation of splenic notch
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Keustermans, William, Toon Huysmans, Femke Danckaers, et al. "High quality statistical shape modelling of the human nasal cavity and applications." Royal Society Open Science 5, no. 12 (2018): 181558. http://dx.doi.org/10.1098/rsos.181558.

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The human nose is a complex organ that shows large morphological variations and has many important functions. However, the relation between shape and function is not yet fully understood. In this work, we present a high quality statistical shape model of the human nose based on clinical CT data of 46 patients. A technique based on cylindrical parametrization was used to create a correspondence between the nasal shapes of the population. Applying principal component analysis on these corresponded nasal cavities resulted in an average nasal geometry and geometrical variations, known as principal
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Najmin M. "Morphometric Study of Shape of Glenoid cavity of Scapulae." Journal of Sylhet Women’s Medical College 15, Number 1 (2025): 22–25. https://doi.org/10.47648/jswmc2025v15-01-114.

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Background: The glenoid cavity of the scapula is crucial for shoulder joint stability, forming the articulation with the humeral head. Variations in its shape and size can influence joint mechanics, affecting shoulder stability and the risk of injuries like dislocations. Understanding these variations is important for orthopedic procedures, such as shoulder arthroplasty, and in diagnosing shoulder pathologies. The cavity typically appears in shapes like oval, pear-shaped, or inverted comma, with variations across different populations. Objective: To evaluate the morphometric characteristics of
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Vijay, Shekhar Kumar, Laxmi Vineeta, and Kumar Bhavesh. "Prospective, Randomized Morphological Assessment of Variations in Shape of Coronoid Process of Adult Human Mandible." International Journal of Pharmaceutical and Clinical Research 14, no. 1 (2022): 432–36. https://doi.org/10.5281/zenodo.13864798.

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<strong>Aim:</strong>&nbsp;Morphological study of variations in shape of coronoid process of adult human mandible.&nbsp;<strong>Material and methods:&nbsp;</strong>This prospective, randomized, study was carried out in the Department of Anatomy, Government Medical College, Bettiah (W.Champaran), Bihar,India Shape of the coronoid processes of 50(100 sides) dry adult human mandibles were studied out of which 30 (60 sides) were of males and 20(40 sides) were of females. Male and Female bones were differentiated by noting standard morphological features. Different shapes of coronoid process observ
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Sarkar, Arnab Kumar, Himanshu Rajbongshi, Sunandan Baruah, and Pranayee Datta. "Light Induced Synthesis of Ag Nanorods for Potential Application as Optical Filter Tailored to Visible Domain." Advanced Materials Research 1176 (April 28, 2023): 53–61. http://dx.doi.org/10.4028/p-10ge5f.

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Monodispersed Ag nanorods were synthesized using a one-pot synthesis method. These Ag nanorods normally manifest dual surface plasmon resonance (SPR) peaks. This work presents a study of the variation of SPR peaks with variation in the shape of Ag nanorods. Shape variation was achieved through the degradation of a shape-controlling agent (PVP in this work) under white light irradiance with silica passivation to halt further shape variations. This paper also reports the growth &amp; characterization of thin films of the synthesized rod-shaped silver nanoparticles on glass slides along with stud
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TUNGMUNNITHUM, DUANGJAI, MANIT KIDYOO, and CHUMPOL KHUNWASI. "Morphological Variations in Hoya siamica Craib (Asclepiadaceae) in Thailand." Tropical Natural History 11, no. 1 (2011): 29–37. https://doi.org/10.58837/tnh.11.1.103010.

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Hoya siamica Craib is a climbing epiphytic plant belonging to the family Asclepiadaceae. Morphological variations were observed in 33 H. siamica samples collected from five floristic regions in Thailand and from 8 specimens kept in the BKF, BK, K and BCU herbaria representing a further 4 locations. This plant was found to have extremely variable vegetative and reproductive structures. Based on the qualitative morphological characters, H. siamica can be divided into five Forms that can be distinguished by their leaf shape and venation and the shape of the corona scale, pollinium and corpusculum
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Parashuram, Rajapur, and Uma Shivanal. "Morphometric study of adult human gall bladder in a cadaver and its clinical importance." Indian Journal of Clinical Anatomy and Physiology 8, no. 3 (2021): 202–7. http://dx.doi.org/10.18231/j.ijcap.2021.046.

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Extrahepatic biliary apparatus comprises of gall bladder, cystic duct, hepatic ducts and common bile duct. Gall Bladder is a pear shaped hollow organ, which are situated in contact with the under surface of right lobe of liver. In adult the length is between 7-10 cm, maximum breadth being 3 cm and with a maximum capacity of 50 ml. The morphological and morphometric variations of gall bladder are common. These variations are well studied and documented by the earlier studies but its precise morphological types and its incidence are utmost important during diagnostic and therapeutic procedures.
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Dissertations / Theses on the topic "Variations in shape"

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Veelo, Bastiaan Niels. "Variations of Shape in Industrial Geometric Models." Doctoral thesis, Norwegian University of Science and Technology, Department of Product Design, 2004. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-240.

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<p>This thesis presents an approach to free-form surface manipulations, which conceptually improves an existing CAD system that constructs surfaces by smoothly interpolating a network of intersecting curves. There are no regularity requirements on the network, which already yields superior modelling capabilities compared to systems that are based on industry-standard NURBS surfaces.</p><p>Originally, the shape of such a surface can be modified only locally by manipulating a curve in the network. In this process there is an inherent danger that the curve is being pulled away from intersections
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Zhang, Chao. "Learning non-rigid, 3D shape variations using statistical, physical and geometric models." Thesis, University of York, 2018. http://etheses.whiterose.ac.uk/22342/.

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3D shape modelling is a fundamental component in computer vision and computer graphics. Applications include shape interpolation and extrapolation, shape reconstruction, motion capture and mesh editing, etc. By "modelling" we mean the process of learning a parameter-driven model. This thesis focused on the scope of statistical modelling for 3D non-rigid shapes, such as human faces and bodies. The problem is challenging due to highly non-linear deformations, high dimensionality, and data sparsity. Several new algorithms are proposed for 3D shape modelling, 3D shape matching (computing dense cor
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Welch, Bryan William. "Shape Validation and RF Performance of Inflatable Antennas." Cleveland State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=csu1581609778706776.

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Aoyama, Taiki, Shota Fukumoto, and Hideyuki Azegami. "Shape optimization of continua using NURBS as basis functions." Springer, 2013. http://hdl.handle.net/2237/21124.

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Koumatos, Konstantinos. "The formation of microstructure in shape-memory alloys." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:1089932b-d36e-4414-b128-6f7bcfe9cdf3.

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The application of techniques from nonlinear analysis to materials science has seen great developments in the recent years and it has really been a driving force for substantial mathematical research in the area of partial differential equations and the multi-dimensional calculus of variations. This thesis has been motivated by two recent and remarkable experimental observations of H. Seiner in shape-memory alloys which we attempt to interpret mathematically. Much of the work is original and has given rise to deep problems in the calculus of variations. Firstly, we study the formation of non-c
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Gemmer, John Alan. "Shape Selection in the Non-Euclidean Model of Elasticity." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/223311.

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In this dissertation we investigate the behavior of radially symmetric non-Euclidean plates of thickness t with constant negative Gaussian curvature. We present a complete study of these plates using the Föppl-von Kármán and Kirchhoff reduced theories of elasticity. Motivated by experimental results, we focus on deformations with a periodic profile. For the Föppl-von Kármán model, we prove rigorously that minimizers of the elastic energy converge to saddle shaped isometric immersions. In studying this convergence, we prove rigorous upper and lower bounds for the energy that scale like the thic
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Sagga, Abdulhafiez Mohamed. "Variations in sand grain size and shape over barchan dunes in the Jafurah Desert, Saudi Arabia." Thesis, Lancaster University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278433.

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Braun, Sandra. "Variations in the shape of the chin in South African using cone bean computed tomography scans." Diss., University of Pretoria, 2020. http://hdl.handle.net/2263/75035.

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In order to support identification of crime victims in South Africa, new methods need to be sought. If victim identification involving fingerprints, DNA or dental records are not possible, facial approximation is often the only alternative. In order to gain necessary background data for the identification of unknown individuals, e.g. for facial approximations, facial features of modern South Africans need to be investigated and shape-influencing factors identified. New imaging technologies have opened the possibility of including living, dentate individuals, as specimens in skeletal collection
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Delyon, Alexandre. "Shape Optimisation Problems Around the Geometry of Branchiopod Eggs." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0123.

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Dans cette thèse nous nous intéressons à un problème de mathématiques appliquées à la biologie. Le but est d'expliquer la forme des œufs d'Eulimnadia, un petit animal appartenant à la classe des Branchiopodes, et plus précisément les Limnadiides. En effet, d'après la théorie de l'évolution il est raisonnable de penser que la forme des êtres vivants où des objets issus d'êtres vivants est optimisée pour garantir la survie et l'expansion de l'espèce en question. Pour ce faire nous avons opté pour la méthode de modélisation inverse. Cette dernière consiste à proposer une explication biologique à
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Della, Porta Francesco M. G. "Selection mechanisms for microstructures and reversible martensitic transformations." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:085f0e90-6d07-4cb6-9bb9-13517de1b65e.

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The work in this thesis is inspired by the fabrication of Zn<sub>45</sub>Au<sub>30</sub>Cu<sub>25</sub>. This is the first alloy undergoing ultra-reversible martensitic transformations and closely satisfying the cofactor conditions, particular conditions of geometric compatibility between phases, which were conjectured to influence reversibility. With the aim of better understanding reversibility, in this thesis we study the martensitic microstructures arising during thermal cycling in Zn<sub>45</sub>Au<sub>30</sub>Cu<sub>25</sub>, which are complex and different in every phase transformation
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Books on the topic "Variations in shape"

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Hildebrandt, Stefan. The parsimonious universe: Shape and form in the natural world. Copernicus, 1996.

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Pironneau, Olivier, Arrigo Cellina, Luc Tartar, Bernhard Kawohl, Jean-Paul Zol sio, and Ant nio Ornelas. Optimal Shape Design: Lectures given at the joint C.I.M./C.I.M.E. Summer School held in Tr ia, Portugal, June 16, 1998. Springer-Verlag, 2000.

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C, Ostowari, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Additional flow field studies of the GA(W)-1 airfoil with 30-percent chord Fowler flap including slot-gap variations and cove shape modifications. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Bucur, Dorin, and Giuseppe Buttazzo. Variational Methods in Shape Optimization Problems. Birkhäuser Boston, 2005. http://dx.doi.org/10.1007/b137163.

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P, Zolésio J., and Working Conference "Boundary Control and Boundary Variation" (5th : 1992 : Sophia-Antipolis, France), eds. Boundary control and variation. M. Dekker, 1994.

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Rising, Jim. Geographic variation in size and shape of Savannah Sparrows (Passerculus sandwichensis). Cooper Ornithological Society, 2001.

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Rising, Jim. Geographic variation in size and shape of Savannah Sparrows (Passerculus sandwichensis). Cooper Ornithological Society, 2001.

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Howells, W. W. Skull shapes and the map: Craniometric analyses in the dispersion of modern Homo. Peabody Museum of Archaeology and Ethnology, Harvard University, 1989.

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Howells, W. W. Skull shapes and the map: Craniometric analyses in the dispersion of modern Homo. Peabody Museum of Archaeology and Ethnology, Harvard University, 1989.

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IFIP WG 7.2 Conference (1990 Sophia-Antipolis, France). Boundary control and boundary variation: Proceedings of IFIP WG 7.2 Conference, Sophia-Antipolis, France, October 15-17, 1990. Springer-Verlag, 1992.

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Book chapters on the topic "Variations in shape"

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Pinkall, Ulrich, and Oliver Gross. "Variations of Surfaces." In Compact Textbooks in Mathematics. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-39838-4_12.

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AbstractWe derive the basics of Vector Calculus on surfaces and explore variations of surfaces. In particular, we compute the variational derivative of the area form $$\det $$ det and of the shape operator A. We show that the critical points of the area functional are the surfaces with mean curvature $$H=0$$ H = 0 .
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Oprea, John. "The calculus of variations and shape." In The Mathematics of Soap Films: Explorations with Maple®. American Mathematical Society, 2000. http://dx.doi.org/10.1090/stml/010/04.

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Gaudio, Paola. "2. Who Cares What Shape the Red Room is?" In Prismatic Jane Eyre. Open Book Publishers, 2023. http://dx.doi.org/10.11647/obp.0319.05.

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The aim of this essay is to identify patterns of textual variation that affect both the source text(s) and its translations. Starting with the substitution of the word ‘spare’ with ‘square’ in the ‘red-room’ episode, textual variations are analysed in a selection of English editions of Charlotte Brontë’s Jane Eyre published by prestigious publishing houses such as Collins, Harper, Oxford, Norton Critical, and Penguin―from the second half of the nineteenth-century to the most recent editions, including e-books (Amazon) and *.txt files (Project Gutenberg). Variations in English editions are comp
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Pironneau, Olivier. "Optimal shape design by local boundary variations." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/bfb0106744.

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Suzuki, H., K. Kase, K. Kato, and F. Kimura. "Physically Based Modelling for Evaluating Shape Variations." In Computer-aided Tolerancing. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1529-9_10.

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Leon, Noel, Jose Cueva, Cesar Villarreal, Sergio Hutron, and German Campero. "Automatic shape variations for optimization and innovation." In IFIP The International Federation for Information Processing. Springer US, 2007. http://dx.doi.org/10.1007/978-0-387-75456-7_18.

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Danielsson, Per-Erik, and Qingfen Lin. "A New Shape Space for Second Order 3D-Variations." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45129-3_12.

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Deshmukh, Amit A., and Divya Singh. "Design of Plus-Shape Microstrip Antenna Variations for Enhanced Wideband Response." In Lecture Notes on Data Engineering and Communications Technologies. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1002-1_24.

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Ambekar, Aarti G., Amit A. Deshmukh, Shefali Pawar, and K. P. Ray. "Dual Polarized Variations of P-Shape Microstrip Antenna Loaded with Stub." In Lecture Notes on Data Engineering and Communications Technologies. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1002-1_27.

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Lin, Qingfen, and Per-Erik Danielsson. "Stenosis Detection Using a New Shape Space for Second Order 3D-Variations." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45729-1_39.

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Conference papers on the topic "Variations in shape"

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Mirnaziry, Sayyed Reza, Mohammad Ali Shameli, and Mohammad Danaeifar. "Impact of Shape Variations on Thermo-Optical Response of Selected PhC Absorbers in Solar Thermophotovoltaic Converters." In 2025 12th Iranian Conference on Renewable Energies and Distributed Generation (ICREDG). IEEE, 2025. https://doi.org/10.1109/icredg66184.2025.10966142.

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Mo, Kaichun, Paul Guerrero, Li Yi, et al. "StructEdit: Learning Structural Shape Variations." In 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2020. http://dx.doi.org/10.1109/cvpr42600.2020.00888.

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Alrjebi, Mustafa M., Wanquan Liu, and Ling Li. "Face Recognition against Mouth Shape Variations." In 2015 International Conference on Digital Image Computing: Techniques and Applications (DICTA). IEEE, 2015. http://dx.doi.org/10.1109/dicta.2015.7371259.

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Wang, Xilu, and Xiaoping Qian. "A Taylor Expansion Approach for Computing Structural Performance Variation Over a Shape Population." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59561.

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In this paper, we present a formal and efficient method for computing structural performance variation over its shape population. Each shape in the population is represented as discrete points. These shapes are then aligned together and principal component analysis is conducted to obtain the shape variation, which is represented as a sum of variations in multiple principal modes. Finite element analysis is conducted on the mean shape. For each shape specified by the shape parameters, we then invoke a thin-plate deformation based scheme to automatically deform the mesh nodes. The performance of
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KOGANTI, GOPICHAND, and GENE HOU. "CONTROL-STRUCTURES INTEGRATED DESIGN OPTIMIZATION WITH SHAPE VARIATIONS." In 34th Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics, 1993. http://dx.doi.org/10.2514/6.1993-1468.

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Leoviriyakit, Kasidit, and Antony Jameson. "Aerodynamic Shape Optimization of Wings Including Planform Variations." In 41st Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-210.

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Ramanathan, Narayanan, and Rama Chellappa. "Modeling shape and textural variations in aging faces." In Gesture Recognition (FG). IEEE, 2008. http://dx.doi.org/10.1109/afgr.2008.4813337.

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Ghidotti, Anna, Daniele Regazzoni, Miri Weiss Cohen, and Vincenzo Condello. "A Statistical Shape Model of Femur of ACL-Injured Knee." In ASME 2024 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/detc2024-142809.

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Abstract Injuries to the anterior cruciate ligament (ACL) are common among active populations. The shape and anatomical variations of the bones are directly related to the function of the ACL, and therefore are considered to be risk factors for injury. This research aims to delineate the key patterns of shape variation in femurs affected by ACL injuries through the application of Statistical Shape Modelling (SSM). SSM is applied to 50 distal femur models and their modes of variations are described. Ten morphologically significant parameters of the distal femur bone are selected and measured on
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Devanne, Maxime, Hazem Wannous, Mohamed Daoudi, Stefano Berretti, Alberto Del Bimbo, and Pietro Pala. "Learning shape variations of motion trajectories for gait analysis." In 2016 23rd International Conference on Pattern Recognition (ICPR). IEEE, 2016. http://dx.doi.org/10.1109/icpr.2016.7899749.

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Kouchi, Makiko, and Masaaki Mochimaru. "Inter-individual Variations in Intra-individual Shape Change Patterns." In 2006 Digital Human Modeling for Design and Engineering Conference. SAE International, 2006. http://dx.doi.org/10.4271/2006-01-2353.

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Reports on the topic "Variations in shape"

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Jablonski, David. DTRT57-09-C-10046 Digital Imaging of Pipeline Mechanical Damage and Residual Stress. Pipeline Research Council International, Inc. (PRCI), 2010. http://dx.doi.org/10.55274/r0011872.

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The purpose of this program was to enhance the characterization of mechanical damage in pipelines through the application of digital eddy current imaging. Lift-off maps can be used to develop quantitative representations of mechanical damage and magnetic permeability maps can be used to determine residual stress patterns around mechanical damage sites. Note that magnetic permeability is also affected by microstructure variations due to plastic deformation and plowing. High-resolution digital images provide an opportunity for automated analysis of both size and shape of damage and a permanent a
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Yogo, Edouard Epiphane. The Role of Populism in Redefining Citizenship and Social Inclusion for Migrants in Europe. European Center for Populism Studies (ECPS), 2025. https://doi.org/10.55271/pp0048.

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This research examines the influence of populism on the redefinition of citizenship and social inclusion for migrants in Europe. It explores how populist movements leverage anti-immigrant sentiments to shape political discourse, laws, and societal attitudes. The study combines qualitative interviews with policymakers, activists, and migrants, and quantitative data from national surveys to analyze changes in citizenship laws and social inclusion challenges. Through case studies, it highlights variations in populist influence across European countries. The research concludes with policy recommen
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Maguranyanga, Caleb, Keen Marozva, Ian Scoones, and Toendepi Shonhe. The Political Economy of Land Use and Land Cover Change in Mvurwi Area Zimbabwe, 1984–2018. APRA, Future Agricultures Consortium, 2021. http://dx.doi.org/10.19088/apra.2021.001.

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An analysis of the variations in land use and land cover over the past four decades in the Mvurwi area, Mazowe district, Zimbabwe illustrates how socio-economic dynamics and natural factors combine to shape environmental change. Land use and cover changes (LULCC) were assessed using a combination of quantitative analysis (satellite imagery) of land cover and a grounded analysis of the social, economic and political factors. Explanations for the changes observed in this study highlight social, economic and political drivers that have changed over time. A simple, linear explanation of land use a
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Bokasola, Yannick, Eddy Junior Ngwakoyo, Gayatri Sahgal, and Vanessa van den Boogaard. Informality, Tax, and Markets in Kinshasa: Everyday Realities and Resistance. Institute of Development Studies, 2025. https://doi.org/10.19088/ictd.2025.033.

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This paper explores the everyday realities of taxation in Kinshasa’s markets, which play a crucial role in revenue generation and sustaining the livelihoods of the local population. Understanding market taxation in this context is critical given the plurality of state and non-state institutions and actors which govern markets and engage in revenue extraction. The study draws on qualitative data collected from eight formal, informal, and customary markets in Kinshasa. The research documents the experiences of market vendors, their perceptions of taxation, and how these perceptions shape interac
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Auciello-Estévez, Iván, Josep Pijoan-Mas, Pau Roldan-Blanco, and Federico Tagliati. Dual labor markets in Spain:a firm-side perspective. Banco de España, 2023. http://dx.doi.org/10.53479/29869.

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Using comprehensive balance-sheet data for Spain, we document the use of fixed-term and open-ended contracts by firms over the period 2004-2019. We show that the use of temporary contracts is very heterogeneous across firms, with the distribution of the temporary share being severely right-skewed: the median share of temporary employment is only 3%, while the average is 18%. Part of this variation is related to the sector and region where firms operate as well as to the macroeconomic cycle. However, around 80% of the variation reflects differences across firms operating in the same industry, i
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Katsube, T. J., D. R. Issler, J. Loman, and W. C. Cox. Apparent formation-factor and porosity variation with pressure for Cretaceous shale of the Western Canada Sedimentary Basin, southern Alberta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/211600.

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Frisancho, Verónica, Alejandro Herrera, and Eduardo Nakasone. Does Gender and Sexual Diversity Lead to Greater Conflict in the School? Inter-American Development Bank, 2022. http://dx.doi.org/10.18235/0004451.

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This paper analyzes the relationship between the presence of LGBTQI students in the class-room and the prevalence of violence in the school setting. We rely on a representative sample of secondary schools in Uruguay and exploit variation in the share of LGBTQI students across classrooms to study how their presence affects the individual experience of violence. Our results show little support for the contact hypothesis: a larger share of LGBTQI students in the classroom has no impact on the individual experience of violence. On the contrary, a greater share of female LGBTQI students in the clas
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Zuccarelli, N., C. M. Lesher, M. G. Houlé, and R. Weston. Textural variations in the Eagle's Nest Ni-Cu-(PGE) deposit in Ontario and implications for magma dynamics in a blade-shaped dike. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2018. http://dx.doi.org/10.4095/308255.

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Frisancho, Verónica, Alejandro Herrera, and Eduardo Nakasone. Does Gender and Sexual Diversity Lead to Greater Conflict in the School? Inter-American Development Bank, 2022. http://dx.doi.org/10.18235/0004609.

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Diversity in gender identity and sexual orientation challenges traditional institutions, social norms, and gendered stereotypes. This may translate into greater levels of conflict in society. Using data from 95 middle and high schools in Uruguay, we exploit plausibly exogenous variation in the share of LGBT students across classrooms and estimate its impact on the prevalence of psychological, physical, and sexual violence in the school. On average, we do not find support for a strong link between the share of LGBT students in the classroom and the prevalence of violence, yet we show that there
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Брошко, Євгеній Олегович. Variability of Structural and Biomechanical Prameters of Pelophylax esculentus (Amphibia, Anura) Limb Bones. Vestnik zoologii, 2014. http://dx.doi.org/10.31812/0564/1529.

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Structural and biomechanical parameters of Edible Frog, Pelophylax esculentus (Linnaeus, 1758), limb bones, namely, mass, linear dimensions, parameters of the shaft ’s cross-sectional shape (cross-sectional area, moments of inertia, radiuses of inertia) were investigated. Some coeffi cients were also estimated: diameters ratio (df/ds), cross-sectional index (ik), principal moments of inertia ratio (Imax/Imin). Coeffi cients of variation of linear dimensions (11.9–20.0 %) and relative bone mass (22–35 %) were established. Moments of inertia of various bones are more variable (CV = 41.67–56.35 %
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