Academic literature on the topic 'Skeletal part representation'

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Journal articles on the topic "Skeletal part representation"

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Beaver, Joseph E. "Identifying Necessity and Sufficiency Relationships in Skeletal-Part Representation Using Fuzzy-Set Theory." American Antiquity 69, no. 1 (2004): 131–40. http://dx.doi.org/10.2307/4128351.

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Traditional approaches to the analysis of skeletal representation in faunal assemblages that employ correlation analyses work well when there is a linear or curvilinear relationship or no relationship at all between the variables under investigation. However, in taphonomic applications in zooarchaeology, these approaches can mask meaningful variation in certain cases where the relationship between the causal variable and skeletal-part representation is one of limitation rather than absolute determination. Such relationships are typified by triangular distributions of points in scatter plots. U
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Castel, Jean-Christophe. "Le cerf de l'Igue du Gral." Revue de Paléobiologie 43, no. 2 (2024): 215–33. https://doi.org/10.5281/zenodo.13861020.

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The red deer from the Igue du Gral.- The red deer (Cervus elaphus) is one of the emblematic species of the Igue du Gral. Although it is not represented by several thousand remains like some other species, its presence on the surface of the main chamber in the form of large and complete bones (along with bison bones) prompted the investigators to stop excavating. Its leading role in the uppermost paleontological complex, 12,000 years ago (in calibrated dates), constitutes an exceptional source of information. Although of remarkable dimensions, these bones can be attributed to Cervus elaphus. Th
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Castel, Jean-Christophe, and Marie-Pierre Coumont. "Le cheval de l'Igue du Gral - Compléments d'analyses." Revue de Paléobiologie 43, no. 2 (2024): 205–14. https://doi.org/10.5281/zenodo.13860576.

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Further analyses of horse remains from the Igue du Gral.- This short article presents the non-paleontological data concerning the horse remains from the Igue du Gral. Aspects of spatial distribution, the skeletal parts represented and bone fragmentation are detailed. This species is abundant in levels 3 to 6. Its presence in level 2 is discussed. The most frequent bones are the most resistant ; the atlas is the only one that seems more frequent than expected. The low fragmentation observed for the teeth or postcranial bones can be considered typical of the kind of conservation in nature
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Lyman, R. Lee, Lori E. Houghton, and Annell L. Chambers. "The effect of structural density on Marmot skeletal part representation in archaeological sites." Journal of Archaeological Science 19, no. 5 (1992): 557–73. http://dx.doi.org/10.1016/0305-4403(92)90028-2.

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Laroulandie, Véronique. "Taphonomie des restes aviaires de l'Igue du Gral (Lot). Considérations méthodologiques et paléoenvironnementales." Revue de Paléobiologie 43, no. 2 (2024): 417–36. https://doi.org/10.5281/zenodo.13861377.

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Bird bones taphonomy at Igue du Gral (Lot). Methodological and palaeoenvironmental considérations.- Igue du Gral excavations have yielded thousands of bird remains that are the subject of this paper. The avifaunal spectrum is largely dominated by the Alpine chough, Pyrrhocorax graculus, and shows a low taxonomic diversity. A multi-criteria taphonomic study is carried out to understand the causes of their presence in this natural trap. In feedback, this study allows to question the relevance of the methods used.  The abundance of chough bones belonging to immature individuals, the a
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Robb, John. "What can we really say about skeletal part representation, MNI and funerary ritual? A simulation approach." Journal of Archaeological Science: Reports 10 (December 2016): 684–92. http://dx.doi.org/10.1016/j.jasrep.2016.05.033.

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Akhtaruzzaman, M., A. A. Shafie, and M. R. Khan. "A REVIEW ON LOWER APPENDICULAR MUSCULOSKELETAL SYSTEM OF HUMAN BODY." IIUM Engineering Journal 17, no. 1 (2016): 83–102. http://dx.doi.org/10.31436/iiumej.v17i1.571.

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Rehabilitation engineering plays an important role in designing various autonomous robots to provide better therapeutic exercise to disabled patients. Hence it is necessary to study human musculoskeletal system and also needs to be presented in scientific manner in order to describe and analyze the biomechanics of human body motion. This review focuses on lower appendicular musculoskeletal structure of human body to represent joints and links architectures; to identify muscle attachments and functions; and to illustrate muscle groups which are responsible for a particular joint movement. First
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Behrensmeyer, Anna K., C. Tristan Stayton, and Ralph E. Chapman. "Taphonomy and ecology of modern avifaunal remains from Amboseli Park, Kenya." Paleobiology 29, no. 1 (2003): 52–70. http://dx.doi.org/10.1666/0094-8373(2003)029<0052:taeoma>2.0.co;2.

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Avian skeletal remains occur in many fossil assemblages, and in spite of small sample sizes and incomplete preservation, they may be a source of valuable paleoecological information. In this paper, we examine the taphonomy of a modern avian bone assemblage and test the relationship between ecological data based on avifaunal skeletal remains and known ecological attributes of a living bird community. A total of 54 modern skeletal occurrences and a sample of 126 identifiable bones from Amboseli Park, Kenya, were analyzed for weathering features and skeletal part preservation in order to characte
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CARON, VINCENT, FRANÇOIS-XAVIER JOANNY, JULIEN BAILLEUL, MAXIME PEROT, FRANK CHANIER, and GEOFFROY MAHIEUX. "TAPHOGRAPH: A SPREADSHEET METHOD TO GRAPHICALLY CHARACTERIZE THE TAPHONOMY OF SKELETAL PARTICLES." PALAIOS 37, no. 7 (2022): 392–401. http://dx.doi.org/10.2110/palo.2021.009.

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ABSTRACT Taphonomic analysis is a useful tool to assess the intensity of alteration of skeletal remains and to help characterize depositional conditions as well as completeness and resolution of fossil assemblages. We herein introduce TAPHOGRAPH, an Excel spreadsheet script (a R code is also available), for the production of taphonomic diagrams to characterize the taphonomy of skeletal remains. The graphical representation depicts four taphonomic factors (fragmentation, abrasion, bioerosion, and encrustation) as a cumulative curve that allows visualization and comparison of the degree and vari
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Bovy, Kristine M. "Why so many wings? A re-examination of avian skeletal part representation in the south-central Northwest Coast, USA." Journal of Archaeological Science 39, no. 7 (2012): 2049–59. http://dx.doi.org/10.1016/j.jas.2012.02.028.

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Book chapters on the topic "Skeletal part representation"

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Gnecco, Giorgio, Martina Fausto, Gabriele Romano, Gualtiero Volpe, and Antonio Camurri. "Improving Output Visualization of an Algorithm for the Automated Detection of the Perceived Origin of Movement." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-55722-4_8.

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AbstractThe perceived Origin of full-body human Movement (OoM), i.e., the part of the body that is perceived by an external observer as the joint from which movement originates, represents a relevant topic for movement analysis. Indeed, its automated detection is important to contribute to the automated analysis of full-body emotions and of non-verbal social signals, and has potential applications, among others, in dance and music teaching, cognitive and motor rehabilitation, sport, and entertainment. In this work, we further develop a recently proposed algorithm for the automated detection of the perceived OoM, by improving the visualization of its output. Specifically, the core of that algorithm relies on clustering a skeletal representation of the human body based on the values assumed by a movement-related feature on all its vertices, then finding those vertices that are at the boundary between any two resulting clusters. In the work, we improve the visualization of the clusters generated by that algorithm in successive frames, by “colouring” them by means of the resolution of a sequence of minimum cost bipartite matching subproblems. Finally, based on a real-world dataset, we show that the proposed modification of the algorithm provides, indeed, a better visualization of the clusters than its original version.
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Dieckmann, Ute. "4. Haiǁom resettlement, legal action and political representation." In Etosha Pan to the Skeleton Coast. Open Book Publishers, 2024. http://dx.doi.org/10.11647/obp.0402.04.

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This chapter considers the destiny of indigenous Haiǁom after they were evicted from Etosha National Park in the 1950s. Differently to communities further west, Haiǁom were not provided a “Homeland” under the separate development policies of the 1970s, but instead were left without any land. In post-independent Namibia this meant they had no opportunity to establish conservancies under Namibia’s Community-Based Natural Resources Management programme. Some efforts have been made to compensate Haiǁom by purchasing several farms for them in the vicinity of the Etosha National Park, although most Haiǁom residents of the park resisted their resettlement, fearing they would lose all access to the park, i.e. their ancestral land. In 2015, a large group of Haiǁom from various areas dissatisfied with the government’s resettlement approach, launched a legal claim to parts of their ancestral land, mainly within Etosha National Park. This chapter outlines these developments, paying attention to the rather ambivalent role played by the Haiǁom Traditional Authority. It also looks at recent developments, arguing for inclusion of Haiǁom cultural heritage in future planning and implementation of nature conservation and tourism activities in the Etosha area.
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Waselkov, Gregory A., and J. Lynn Funkhouser. "Bear-Human Relationships in Native Eastern North America." In Bears. University Press of Florida, 2020. http://dx.doi.org/10.5744/florida/9781683401384.003.0013.

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This volume’s case studies recognize the black bear (Ursus americanus) to be among the most socially consequent of species in Native Eastern North America, despite meager remains at many archaeological sites. Indeed, that sparseness offers valuable evidence for the social roles long played by bears. Ethnohistorical sources suggest bear population densities in some habitats were greater than seen today in Eastern North America. Most archaeological assemblages of bear skeletal remains have skull parts and foot bones but lack most other postcranial elements, often reflecting ritual off-site discard of post-cranial remains and feasting on head and feet. Differences in quantities of bear remains, their relative proportions to other mammals, and differing representations of various parts of the bear skeleton are sensitive indicators of a society’s relationship with black bears. We apply precepts of the new animism, or the ontological turn, to animate the zooarchaeology of bears in Eastern North America.
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Tuck, Adrian F. "Relevant Subjects." In Atmospheric Turbulence. Oxford University Press, 2008. http://dx.doi.org/10.1093/oso/9780199236534.003.0006.

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Atmospheric composition played an important part in the development of chemistry, following the work of Priestley, Lavoisier, and Dalton. Since air is a mixture of gases, many of them chemically reactive, see for example Finlayson-Pitts and Pitts (2000) and Graedel et al. (1986), which is subject to solar photons, absorbs and emits infrared photons, experiences temperatures ranging from −100 to 40° C, is exposed to the ocean, encompasses phase changes of water and sustains turbulent flow, it involves significant parts of physical chemistry. Pedagogically, the three-volume set by Berry, Rice, and Ross (2002a, b, c) covers the basic physicochemical material clearly and thoroughly, particularly Chapters 19, 20, 27, 28, 30, and 31. In addition to kinetic molecular theory, chemical kinetics, spectroscopy, and equilibrium statistical mechanics, there are other branches of physical science which are applicable to the atmosphere; in our context they include of course meteorology and turbulence theory. It ought to be recognized that the atmosphere has high complexity arising from a vast number of degrees of freedom, several anisotropies, and morphologically complicated boundaries extending over 15 orders of magnitude in scale from the molecular mean free path to the Earth’s circumference; these factors and the concomitant non-linearities make the application of non-equilibrium statistical mechanics a daunting prospect, but nevertheless one which should be attempted, for the reason that the energy distributions and their transformations in the atmosphere need to be accurately described, particularly in the representation and prognosis of the climatic state. We will also show that vorticity is the fundamental variable, since vortices are generated from molecular populations subjected to an anisotropy, on very short space scales and fast time scales. In this Chapter we will give a skeletal survey connecting these basic subjects, with references to more comprehensive, individual sources. The simplest possible molecular model for a gas is a collection of spherical ‘billiard balls’—the intermolecular potential consists of an infinite repulsive force on contact. This approach, pioneered by Waterston, Maxwell, and Boltzmann, is successful for air as a first approximation. The idea is that collisions are completely elastic, with no interaction between potential collidant molecules until physical contact occurs, whereupon an infinite repulsive potential operates.
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Hoffmann, Roald, and Pierre Laszlo. "Representation in Chemistry." In Roald Hoffmann on the Philosophy, Art, and Science of Chemistry. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199755905.003.0019.

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Chemical structures are among the trademarks of our profession, as surely chemical as flasks, beakers, and distillation columns. When someone sees one of us busily scribbling formulas or structures, he has no trouble identifying a chemist. Yet these familiar objects, which accompany our work from start to end, from the initial doodlings to the final polished artwork in a publication, are deceptively simple. They raise interesting and difficult questions about representation. It is the intent of this article to reflect upon molecular graphics. We are hooked on these little diagrams, aren’t we? Yet what are they? Are they representations of reality, just a simplified two-dimensional version of the models that can be built from interpretation of X-ray diffraction patterns of a molecular crystal—in a word, are they realistic? A look at a few papers by others (not ours or yours, of course) will show how far short of realism these structures fall. They mix convention and realism in the most innocent manner. Take the case of the bicyclo[2.2.1]heptane skeleton: This commonly seen, supposedly three-dimensional representation actually sports an inverted perspective, the vanishing point being not in back, where it should be, but on the viewer’s side. Most chemical drawings eschew obvious primitive artistic stratagems for communicating three-dimensionality; they float in a world of their own. Perhaps they are “art,” then, an abstraction from reality of the essence of norbornanes. If so, it’s interesting to reflect on what kind of art they are. This is part of what we will do. Perhaps chemical drawings do not need to be realistic representations because they are symbols, signs that in a chemist’s mind are reconstructed into the three-dimensional structure, or at least the ball-and-stick model. Chemical structures are then part of a chemical language. What is interesting about language (it doesn’t matter whether it is German or English or . . . ) is that (1) despite its impreciseness, people communicate with it and (2) it, language, inevitably brings us complications, ambiguities, and richnesses that we did not expect.
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Wrobel, Gabriel D., and Andrea Cucina. "Osteobiographies in Mesoamerica." In Mesoamerican Osteobiographies. University Press of Florida, 2024. https://doi.org/10.5744/florida/9781683404453.003.0001.

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Osteobiographies have a long history in Mesoamerican bioarchaeology. This introductory chapter discusses the evolution of the approach to osteobiography in Mesoamerica, beginning with Frank Saul’s coining of the term in his work at Altar de Sacrificios and Javier Romero’s earlier “osteología antropológica” in Mexico. Given the poor preservation and complex mortuary practices typical of Mesoamerican cultures, bioarchaeological research has been greatly stymied by skeletal series that are not representative of the general populations from which they are derived. However, recent methodological and theoretical advancements have paved the way for highly contextualized narratives focused on single individuals, which contribute significantly to reconstructing broad culture histories and answering specific questions about life in the past. A review of osteobiographies carried out in Mesoamerica finds they generally fall under one of four themes: social hierarchy, atypical mortuary practices, trauma attributed to peri- and postmortem ritual, and variations in skeletal morphology (including body modification and disease).
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Seitel M., Maier-Hein L., Rietdorf U., et al. "Towards a Mixed Reality Environment for Preoperative Planning of Cardiac Surgery." In Studies in Health Technology and Informatics. IOS Press, 2009. https://doi.org/10.3233/978-1-58603-964-6-307.

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We present a novel approach to studying physical heart models by coupling them with virtual 3D representations in a mixed reality environment. The limitations of standalone physical models (non-interactive, static) are overcome by the corresponding virtual models, which in turn become more natural to interact with. The potential of this approach is exemplified by a setup which enables cardiac surgeons to interactively trace the mitral annulus, a part of the cardiac skeleton playing a vital role in mitral valve surgery. We present results of a pilot study and discuss ways of improving and extending the system. The described mixed reality environment could easily be adapted to other fields and thus has the potential to become a new tool for investigating 3D medical data.
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Staloff, Darren. "The Creation of The New England Way." In The Making of an American Thinking Class. Oxford University PressNew York, NY, 1997. http://dx.doi.org/10.1093/oso/9780195113525.003.0002.

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Abstract Few radical movements have enjoyed the auspicious conditions of the Puritan founders of Massachusetts. Far from the metropolitan authorities, the leaders of the settlement were able to inscribe their ideal holy commonwealth on the tabula rasa of the wilderness free from outside interference. Few issues, if any, so absorbed the attention of the colony’s leaders as the foundation and support of the polity structure of Massachusetts. The resulting political and ecclesiastic system proved remarkably stable and enduring. Established largely by fiat and precedent in the very first years, the New England Way served as the institutional skeleton of the Bay social body until the loss of the charter and the onset of the Andros regime in the 1680s. Despite their unquestioned importance, however, the interlocking institutions of church and state in Puritan Massachusetts defy simple analysis. Were the Bay churches the independent and lay-controlled congregations of a sect or part of an establishment dominated by the ministry? Was the General Court of Massachusetts a representative republic of the saints or, in Thomas Jefferson Wertenbaker’s phrase, a Puritan oligarchy? Was the relation of church and state Erastian, as Ronald D. Cohen has claimed, or was it, as John Cotton argued, “the best form of Government in a Christian-Commonwealth,” namely “theocratie”? The obvious answer to each of these questions is both in one sense and neither in another. And while this answer bears some semblance of truth in registering the complexity of the Bay polity scheme, it utterly fails to offer the analytic clarity and coherence that are necessary for thorough historical understanding.
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Conference papers on the topic "Skeletal part representation"

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Zhu, Anqi, Qiuhong Ke, Mingming Gong, and James Bailey. "Part-Aware Unified Representation of Language and Skeleton for Zero-Shot Action Recognition." In 2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2024. http://dx.doi.org/10.1109/cvpr52733.2024.01775.

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Iyer, Natraj, Yagnanarayanan Kalyanaraman, Kuiyang Lou, Subramaniam Jayanti, and Karthik Ramani. "A Reconfigurable 3D Engineering Shape Search System: Part I — Shape Representation." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/cie-48180.

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This paper presents an approach for a reconfigurable shape search system for 3D engineering models using a client-serverdatabase architecture. The current paper focuses on the server functionality, while a subsequent paper will focus on the database issues. The server takes the shape query as input from the client and converts it into feature vectors and a new skeletal graph representation which we have developed. The algorithms such as voxelization, skeletonization, and skeletal graph extraction for accomplishing these are described in detail. The principal advantages of the skeletal graph re
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Hua, Yilei, Wenhan Wu, Ce Zheng, et al. "Part Aware Contrastive Learning for Self-Supervised Action Recognition." In Thirty-Second International Joint Conference on Artificial Intelligence {IJCAI-23}. International Joint Conferences on Artificial Intelligence Organization, 2023. http://dx.doi.org/10.24963/ijcai.2023/95.

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In recent years, remarkable results have been achieved in self-supervised action recognition using skeleton sequences with contrastive learning. It has been observed that the semantic distinction of human action features is often represented by local body parts, such as legs or hands, which are advantageous for skeleton-based action recognition. This paper proposes an attention-based contrastive learning framework for skeleton representation learning, called SkeAttnCLR, which integrates local similarity and global features for skeleton-based action representations. To achieve this, a multi-hea
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Storti, Duane, Mark A. Ganter, William R. Ledoux, Randal P. Ching, Yangqiu Patrick Hu, and David Haynor. "Wavelet SDF-Reps: Solid Modeling With Volumetric Scans." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34703.

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This paper describes a new formulation of solid modeling that addresses the issue of including parts whose geometry is determined from volumetric scans (CT, MRI, PET, etc.) along with parts whose geometry is designed by traditional computer-aided design (CAD) operations. Such issues arise frequently in the design of medical devices or prostheses where fit and/or interference between man-made artifacts and existing anatomy are essential considerations, but the modeling formulation presented is not limited to medical applications and can be applied to any parts whose volume can be actually or vi
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Qin, Zhen, Yang Zhang, and Zhiguang Qin. "Learning Local Part Motion Representation for Skeleton-based Action Recognition." In ICETC 2019: 2019 11th International Conference on Education Technology and Computers. ACM, 2019. http://dx.doi.org/10.1145/3369255.3369262.

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Lou, Kuiyang, Subramaniam Jayanti, Natraj Iyer, Yagnanarayanan Kalyanaraman, Sunil Prabhakar, and Karthik Ramani. "A Reconfigurable 3D Engineering Shape Search System: Part II — Database Indexing, Retrieval, and Clustering." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/cie-48188.

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This paper introduces database and related techniques for a reconfigurable, intelligent 3D engineering shape search system, which retrieves similar 3D models based on their shape content. Feature vectors, which are numeric “fingerprints” of 3D models, and skeletal graphs, which are the “minimal representations of the shape content” of a 3D model, represent the shape content. The Euclidean distance of the feature vectors, as well as the distance between skeletal graphs, provides indirect measures of shape similarity between the 3D models. Critical database issues regarding 3D shape search syste
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Thompson, David, and Richard Crawford. "A Skeletal Topological Modeler Based on Bounding Spheres." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/cie-21307.

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Abstract Solid modelers are most frequently used when the final shape of the object to be modeled is known. One reason for this is the amount of input required on the part of designers to create even simple models. We propose a modeler requiring only weighted points to be specified. The connectivity of the points is determined based on proximity and the value of the weight at each point. The connected diagram — a subcomplex of the regular triangulation of the input points known as an alpha shape — serves as a skeleton for an offset surface which becomes the solid model. Functional representati
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Zhang, Jiahang, Lilang Lin, and Jiaying Liu. "Shap-Mix: Shapley Value Guided Mixing for Long-Tailed Skeleton Based Action Recognition." In Thirty-Third International Joint Conference on Artificial Intelligence {IJCAI-24}. International Joint Conferences on Artificial Intelligence Organization, 2024. http://dx.doi.org/10.24963/ijcai.2024/187.

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In real-world scenarios, human actions often fall into a long-tailed distribution. It makes the existing skeleton-based action recognition works, which are mostly designed based on balanced datasets, suffer from a sharp performance degradation. Recently, many efforts have been made to image/video long-tailed learning. However, directly applying them to skeleton data can be sub-optimal due to the lack of consideration of the crucial spatial-temporal motion patterns, especially for some modality-specific methodologies such as data augmentation. To this end, considering the crucial role of the bo
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Li, Tingwei, Ruiwen Zhang, and Qing Li. "Multi Scale Temporal Graph Networks for Skeleton-Based Action Recognition." In 4th International Conference on Computer Science and Information Technology (COMIT 2020). AIRCC Publishing Corporation, 2020. http://dx.doi.org/10.5121/csit.2020.101605.

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Graph convolutional networks (GCNs) can effectively capture the features of related nodes and improve the performance of model. More attention is paid to employing GCN in Skeleton-Based action recognition. But existing methods based on GCNs have two problems. First, the consistency of temporal and spatial features is ignored for extracting features node by node and frame by frame. To obtain spatiotemporal features simultaneously, we design a generic representation of skeleton sequences for action recognition and propose a novel model called Temporal Graph Networks (TGN). Secondly, the adjacenc
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Buford, W. L., F. M. Ivey, J. P. Fogarty, and R. G. McMorries. "Inter-Rater Reliability of 3D Polygonal Reconstructions From CT Scans." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206347.

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Computed tomography (CT) scans have long been used as a diagnostic tool in many areas of medicine. With advances in computer image analysis methods, it is now possible to generate 3-D polygonal reconstructions from CT scans, which provide an accurate representation of the muscles and skeleton of the patient. The Mimics program (Materialise, Leuven, Belgium) is one of several available software packages that through user dependent interactive techniques can create these 3-D reconstructions of body parts from CT scans.
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Reports on the topic "Skeletal part representation"

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Salcido, Charles, Patrick Wilson, Justin Tweet, Blake McCan, Clint Boyd, and Vincent Santucci. Theodore Roosevelt National Park: Paleontological resource inventory (public version). National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2293509.

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Theodore Roosevelt National Park (THRO) in western North Dakota was established for its historical connections with President Theodore Roosevelt. It contains not only historical and cultural resources, but abundant natural resources as well. Among these is one of the best geological and paleontological records of the Paleocene Epoch (66 to 56 million years ago) of any park in the National Park System. The Paleocene Epoch is of great scientific interest due to the great mass extinction that occurred at its opening (the Cretaceous–Paleogene extinction event), and the unusual climatic event that
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