Relevant bibliographies by topics / Manifold of expressions

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

Academic literature on the topic 'Manifold of expressions'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Manifold of expressions"

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Rustanov, A. R., E. A. Polkina та S. V. Kharitonova. "On Some Aspects of Geometry of Almost C(λ)-manifolds". UNIVERSITY NEWS. NORTH-CAUCASIAN REGION. NATURAL SCIENCES SERIES, № 3 (207) (2 жовтня 2020): 19–24. http://dx.doi.org/10.18522/1026-2237-2020-3-19-24.

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In this paper almost C(λ)-manifolds are considered. The local structure of Ricci-flat almost C(λ)-manifolds is obtained. On the space of the adjoint G-structure, necessary and sufficient conditions are obtained under which the al-most C(λ)-manifolds are manifolds of constant curvature and the structure of the Riemannian curvature tensor of an almost C(λ)-manifold of constant curvature is obtained. Relations are obtained that characterize the Einstein almost C(λ)-manifolds. It is proved that a complete almost C(λ)-Einstein manifold is either holomorphically isometrically covered by the product
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Nagaraja, H. G., and C. R. Premalatha. "Da-Homothetic Deformation of K-Contact Manifolds." ISRN Geometry 2013 (December 16, 2013): 1–7. http://dx.doi.org/10.1155/2013/392608.

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We study Da-homothetic deformations of K-contact manifolds. We prove that Da-homothetically deformed K-contact manifold is a generalized Sasakian space form if it is conharmonically flat. Further, we find expressions for scalar curvature of Da-homothetically deformed K-contact manifolds.
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LEE, CHAN-SU, and DIMITRIS SAMARAS. "ANALYSIS AND CONTROL OF FACIAL EXPRESSIONS USING DECOMPOSABLE NONLINEAR GENERATIVE MODELS." International Journal of Pattern Recognition and Artificial Intelligence 28, no. 05 (2014): 1456009. http://dx.doi.org/10.1142/s0218001414560096.

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Facial expressions convey personal characteristics and subtle emotional states. This paper presents a new framework for modeling subtle facial motions of different people with different types of expressions from high-resolution facial expression tracking data to synthesize new stylized subtle facial expressions. A conceptual facial motion manifold is used for a unified representation of facial motion dynamics from three-dimensional (3D) high-resolution facial motions as well as from two-dimensional (2D) low-resolution facial motions. Variant subtle facial motions in different people with diffe
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Shenawy, Sameh, and Bülent Ünal. "The W2-curvature tensor on warped product manifolds and applications." International Journal of Geometric Methods in Modern Physics 13, no. 07 (2016): 1650099. http://dx.doi.org/10.1142/s0219887816500997.

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The purpose of this paper is to study the [Formula: see text]-curvature tensor on (singly) warped product manifolds as well as on generalized Robertson–Walker and standard static space-times. Some different expressions of the [Formula: see text]-curvature tensor on a warped product manifold in terms of its relation with [Formula: see text]-curvature tensor on the base and fiber manifolds are obtained. Furthermore, we investigate [Formula: see text]-curvature flat warped product manifolds. Many interesting results describing the geometry of the base and fiber manifolds of a [Formula: see text]-
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Siddiqi, Mohd Danish. "On δ- Lorentzian trans Sasakian manifold with semi-symmetric metric connection". Boletim da Sociedade Paranaense de Matemática 39, № 5 (2021): 113–35. http://dx.doi.org/10.5269/bspm.41108.

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The aim of the present research is to study the δ-Lorentzian trans Sasakian manifolds with a semi-symmetric metric connection. We have found the expressions for curvature tensors, Ricci curvature tensors and scalar curvature of the δ-Lorentzian trans Sasakian manifolds with a semi-symmetric metric and metric connection. Also, we have discussed some results on quasi-projectively flat and ϕ-projectively flat manifolds endowed with a semi-symmetric-metric connection. It shown that the manifold satisfying¯R. ¯ S = 0,¯P, ¯ S = 0.Lastly, we have obtained the conditions for the δ-Lorentzian Trans Sas
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Dey, Dibakar, and Pradip Majhi. "∗-Ricci tensor on almost Kenmotsu 3-manifolds." International Journal of Geometric Methods in Modern Physics 17, no. 13 (2020): 2050196. http://dx.doi.org/10.1142/s0219887820501960.

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In this paper, we obtain the expressions of the ∗-Ricci operator of a three-dimensional almost Kenmotsu manifold [Formula: see text] and find that the ∗-Ricci tensor is not symmetric for [Formula: see text]. We obtain a necessary and sufficient condition for the ∗-Ricci tensor to be symmetric and proved that if the ∗-Ricci tensor of a non-Kenmotsu almost Kenmotsu 3-[Formula: see text]-manifold [Formula: see text] is symmetric, then [Formula: see text] is locally isometric to a three-dimensional non-unimodular Lie group equipped with a left invariant non-Kenmotsu almost Kenmotsu structure. Furt
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Simpson, David J. W., and Christopher P. Tuffley. "Subsumed Homoclinic Connections and Infinitely Many Coexisting Attractors in Piecewise-Linear Maps." International Journal of Bifurcation and Chaos 27, no. 02 (2017): 1730010. http://dx.doi.org/10.1142/s0218127417300105.

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We establish an equivalence between infinitely many asymptotically stable periodic solutions and subsumed homoclinic connections for [Formula: see text]-dimensional piecewise-linear continuous maps. These features arise as a codimension-three phenomenon. The periodic solutions are single-round: they each involve one excursion away from a central saddle-type periodic solution. The homoclinic connection is subsumed in the sense that one branch of the unstable manifold of the saddle solution is contained entirely within its stable manifold. The results are proved by using exact expressions for th
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BONNEAU, GUY, and FRANÇOIS DELDUC. "CONSTRUCTION AND PROPERTIES OF QUASI RICCI FLAT SPACES." International Journal of Modern Physics A 01, no. 04 (1986): 997–1007. http://dx.doi.org/10.1142/s0217751x86000381.

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We look for the necessary and sufficient conditions for a generalized torsion-free nonlinear σ-model to be one-loop finite. The corresponding metrics are not only Ricci flat ones, but also a larger class we call “quasi Ricci flat” spaces. We give expressions for the corresponding Lagrangian densities in the real and Kähler cases. In the latter, the manifold is shown to be proper, complete and nonhomogeneous. Unfortunately, in the compact case, relevant for string theory, these quasi Ricci flat manifolds become Ricci flat ones.
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BROWN, RAY, and LEON CHUA. "DERIVATIVES FOR THE STABLE AND UNSTABLE MANIFOLDS OF A Cr Diffeomorphism ofR2." International Journal of Bifurcation and Chaos 03, no. 06 (1993): 1601–5. http://dx.doi.org/10.1142/s0218127493001264.

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We illustrate how to form the Taylor polynomial for a stable or unstable manifold when considered as a curve in the plane. Our method does not use power series or assume that the manifold is analytic as is done in the method of Poincaré. Instead we use simple calculus to obtain closed form expressions for the Taylor coefficients.
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Weber, Raphael, Vincent Barrielle, Catherine Soladie, and Renaud Seguier. "Unsupervised Adaptation of a Person-Specific Manifold of Facial Expressions." IEEE Transactions on Affective Computing 11, no. 3 (2020): 419–32. http://dx.doi.org/10.1109/taffc.2018.2807430.

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Dissertations / Theses on the topic "Manifold of expressions"

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Yu, Lap Fai. "3D reconstruction and synthesis of facial expressions using a manifold alignment framework /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CSED%202009%20YU.

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Soladié, Catherine. "Représentation Invariante des Expressions Faciales." Phd thesis, Université Rennes 1, 2013. http://tel.archives-ouvertes.fr/tel-00935973.

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De plus en plus d'applications ont pour objectif d'automatiser l'analyse des comportements humains afin d'aider ou de remplacer les experts qui réalisent actuellement ces analyses. Cette thèse traite de l'analyse des expressions faciales qui fournissent des informations clefs sur ces comportements. Les travaux réalisés portent sur une solution innovante permettant de définir efficacement une expression d'un visage, indépendamment de la morphologie du sujet. Pour s'affranchir des différences de morphologies entre les personnes, nous utilisons des modèles d'apparence spécifiques à la personne. N
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Weber, Raphaël. "Construction non supervisée d'un modèle expressif spécifique à la personne." Thesis, CentraleSupélec, 2017. http://www.theses.fr/2017CSUP0005.

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L'analyse automatique des expressions faciales connaît un intérêt grandissant ces dernières décennies du fait du large champ d'applications qu'elle peut servir. Un des domaines d'applications visé est le médical avec notamment l'analyse automatique des variations de comportement pour le maintien à domicile des personnes âgées.Cette thèse propose un modèle expressif continu spécifique à la personne construit de manière non supervisée (i.e. sans connaissance a priori sur la morphologie du sujet) pour répondre à ce besoin d'analyse automatique. Notre système doit être capable d'analyser les expre
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Derkach, Dmytro. "Spectrum analysis methods for 3D facial expression recognition and head pose estimation." Doctoral thesis, Universitat Pompeu Fabra, 2018. http://hdl.handle.net/10803/664578.

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Al llarg de les últimes dècades, l'anàlisi facial ha atret un interès creixent i considerable per part de la comunitat investigadora amb l’objectiu de millorar la interacció i la cooperació entre les persones i les màquines. Aquest interès ha propiciat la creació de sistemes automàtics capaços de reaccionar a diversos estímuls com ara els moviments del cap o les emocions d’una persona. Més enllà, les tasques automatitzades s’han de poder realitzar amb gran precisió dins d’entorns no controlats, fet que ressalta la necessitat d'algoritmes que aprofitin al màxim els avantatges que proporcionen l
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Books on the topic "Manifold of expressions"

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1982-, Gabunia Davitʻ, ред. Genderis caxnagebi: Manifold angles of gender : konpʻerencʻiis masalebi. Hainrih Biolis pʻondis Samxretʻ Kavkasiis regionaluri biuro, 2013.

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Hagberg, Anette. Expression Profiling Using Manifold Supports. Uppsala Universitet, 2001.

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Leese, Daniel. The Cult of Personality and Symbolic Politics. Edited by Stephen A. Smith. Oxford University Press, 2013. http://dx.doi.org/10.1093/oxfordhb/9780199602056.013.019.

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The article discusses characteristics and relevance of leader cults and symbolic politics within state socialism. After defining distinctive features of modern personality cults, the article traces trajectories of major cults over time and highlights interconnections, similarities, and differences between them. Cults served to centre emotions and loyalties in a personalized symbol and were part of a wider cosmos of symbolic politics, which played an important role in communicating party policies and social hierarchies. However, a purely instrumentalist understanding fails to account for the ma
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Deruelle, Nathalie, and Jean-Philippe Uzan. The Cartan structure equations. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786399.003.0065.

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This chapter focuses on Cartan structure equations. It first introduces a 1-form and its exterior derivative, before turning to a study of the connection and torsion forms, thereby expressing the torsion as a function of the connection forms and establishing the torsion differential 2-forms. It then turns to the curvature forms drawn from Chapter 23 and Cartan’s second structure equation, along with the curvature 2-forms. It also studies the Levi-Civita connection. The components of the Riemann tensor are then studied, with a Riemannian manifold, or a metric manifold with a torsion-less connec
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Ahmed, Mohamed. Arabic in Modern Hebrew Texts. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474444439.001.0001.

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In the late 1950s, Iraqi Jews were either forced or chose to leave Iraq for Israel. Finding it impossible to continue writing in Arabic in Israel, many Iraqi Jewish novelists faced the literary challenge of switching to Hebrew. Focusing on the literary works of the writers Shimon Ballas, Sami Michael and Eli Amir, this book examines their use of their native Iraqi Arabic in their Hebrew works. It examines the influence of Arabic language and culture and explores questions of language, place and belonging from the perspective of sociolinguistics and multilingualism. In addition, the book applie
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Brüne, Martin. Textbook of Evolutionary Psychiatry and Psychosomatic Medicine. Oxford University Press, 2016. http://dx.doi.org/10.1093/med:psych/9780198717942.001.0001.

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Psychiatry and psychosomatic medicine are concerned with medical conditions affecting the brain, mind, and behaviour in manifold ways. Traditional approaches have focused on a restricted array of potential causes of psychiatric and psychosomatic conditions, including adverse experiences such as trauma, neglect, or abuse, genetic vulnerability, and epigenetic regulation of gene expression. While essential for the understanding of mental disorders, these approaches have disregarded pertinent questions such as why the human mind is vulnerable to dysfunction at all. This Textbook of Evolutionary P
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Book chapters on the topic "Manifold of expressions"

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Shan, Caifeng, Shaogang Gong, and Peter W. McOwan. "Appearance Manifold of Facial Expression." In Computer Vision in Human-Computer Interaction. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11573425_22.

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Peng, Yao, and Hujun Yin. "Expression Classification and Intensity Estimation by Expression Manifold Synthesis." In Lecture Notes in Computer Science. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46257-8_68.

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Ptucha, Raymond, and Andreas Savakis. "Facial Expression Recognition Using Facial Features and Manifold Learning." In Advances in Visual Computing. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17277-9_31.

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Shin, Young-suk. "Facial Expression Recognition Based on Emotion Dimensions on Manifold Learning." In Computational Science – ICCS 2007. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-72586-2_11.

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Daoudi, Mohamed, Naima Otberdout, and Juan-Carlos Álvarez Paiva. "Metric Learning on the Manifold of Oriented Ellipses: Application to Facial Expression Recognition." In Pattern Recognition. ICPR International Workshops and Challenges. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68780-9_18.

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Martins, Pedro, and Jorge Batista. "Simultaneous Identity and Expression Recognition Using Face Geometry on Low Dimensional Manifolds." In Pattern Recognition and Image Analysis. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02172-5_65.

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Zheng, Ning, Lin Qi, and Ling Guan. "Multiple-manifolds Discriminant Analysis for Facial Expression Recognition from Local Patches Set." In Lecture Notes in Computer Science. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14899-1_3.

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Wang, Shu-Fan, and Shang-Hong Lai. "Estimating 3D Face Model and Facial Deformation from a Single Image Based on Expression Manifold Optimization." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-88682-2_45.

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Simo, C., and R. Martínez. "Analytical Expressions for Some Spatial Periodic Orbits of the Restricted Three-Body Problem and Their Invariant Manifolds." In Stability of the Solar System and Its Minor Natural and Artificial Bodies. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5398-7_59.

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Its, Alexander R., and Victor Yu Novokshenov. "The manifold of solutions to painlevé II equation increasing as χ → + ∞. The expression of their asymptotics through the monodromy data. The connection formulae for pure imaginary solutions." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/bfb0076671.

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Conference papers on the topic "Manifold of expressions"

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Rehman, Shafiq ur, Li Liu, and Haibo Li. "Manifold of Facial Expressions for Tactile Perception." In 2007 IEEE 9th Workshop on Multimedia Signal Processing. IEEE, 2007. http://dx.doi.org/10.1109/mmsp.2007.4412862.

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Paraskevopoulos, Elias, and Sotirios Natsiavas. "On a Consistent Application of Newton’s Law to Constrained Mechanical Systems." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12346.

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An investigation is carried out for deriving conditions on the correct application of Newton’s law of motion to mechanical systems subjected to constraints. It utilizes some fundamental concepts of differential geometry and treats both holonomic and anholonomic constraints. The focus is on establishment of conditions, so that the form of Newton’s law remains invariant when imposing an additional set of motion constraints on a system. Based on this requirement, two conditions are derived, specifying the metric and the form of the connection on the new manifold. The latter is weaker than a simil
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Goldin, Graham, Federico Montanari, and Sunil Patil. "A Comparison of RANS and LES of an Industrial Lean Premixed Burner." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25352.

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LES and RANS simulations of a Siemens scaled combustor are compared against comprehensive experimental data. The steady RANS simulation modeled one quarter of the geometry with 8M polyhedral cells using the SST-k-ω model. Unsteady LES simulations were performed on the quarter geometry (90°, 8M cells) as well as the full geometry (360°, 32M cells) using the WALE sub-grid model and dynamic evaluation of model coefficients. Aside from the turbulence model, all other models are identical for the RANS and LES. Combustion was modeled with the Flamelet Generated Manifold (FGM) model, which represents
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Xie, Kun. "Manifold based methods in facial expression recognition." In Fifth International Conference on Digital Image Processing, edited by Yulin Wang and Xie Yi. SPIE, 2013. http://dx.doi.org/10.1117/12.2030812.

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Jing, Du, and Li Bo. "Distance-weighted manifold learning in facial expression recognition." In 2016 IEEE 11th Conference on Industrial Electronics and Applications (ICIEA). IEEE, 2016. http://dx.doi.org/10.1109/iciea.2016.7603873.

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Reilly, Jane, and John McDonald. "Modelling the Manifold of Facial Expression Using Texture." In 2008 International Machine Vision and Image Processing Conference (IMVIP). IEEE, 2008. http://dx.doi.org/10.1109/imvip.2008.9.

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Ptucha, Raymond, Grigorios Tsagkatakis, and Andreas Savakis. "Manifold learning for simultaneous pose and facial expression recognition." In 2011 18th IEEE International Conference on Image Processing (ICIP 2011). IEEE, 2011. http://dx.doi.org/10.1109/icip.2011.6116300.

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Martins, Pedro, and Jorge Batista. "Identity and expression recognition on low dimensional manifolds." In 2009 16th IEEE International Conference on Image Processing ICIP 2009. IEEE, 2009. http://dx.doi.org/10.1109/icip.2009.5413914.

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Raducanu, Bogdan, and Fadi Dornaika. "Dynamic facial expression recognition using Laplacian Eigenmaps-based manifold learning." In 2010 IEEE International Conference on Robotics and Automation (ICRA 2010). IEEE, 2010. http://dx.doi.org/10.1109/robot.2010.5509290.

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Shan, C., S. Gong, and P. McOwan. "Dynamic Facial Expression Recognition Using A Bayesian Temporal Manifold Model." In British Machine Vision Conference 2006. British Machine Vision Association, 2006. http://dx.doi.org/10.5244/c.20.31.

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