نتایج جستجو برای: geometric transformation

تعداد نتایج: 305829  

Journal: :Entropy 2017
Melvin Leok Jun Zhang

The divergence function in information geometry, and the discrete Lagrangian in discrete geometric mechanics each induce a differential geometric structure on the product manifold Q×Q. We aim to investigate the relationship between these two objects, and the fundamental role that duality, in the form of Legendre transforms, plays in both fields. By establishing an analogy between these two appr...

Journal: :IEICE Transactions 2007
Pai-Feng Lee Chi-Kang Kao Juin-Ling Tseng Bin Shyan Jong Tsong Wuu Lin

This paper investigates the use of the affine transformation matrix when employing principal component analysis (PCA) to compress the data of 3D animation models. Satisfactory results were achieved for the common 3D models by using PCA because it can simplify several related variables to a few independent main factors, in addition to making the animation identical to the original by using linea...

Journal: :Journal of Physics G 2023

Abstract We analyze the geometric phase for neutrinos and we demonstrate that invariants associated with transitions between different neutrino flavors, Majorana neutrinos, are not left unchanged by rephasing transformations sensitive to nature of neutrinos. The dependence on cannot be eliminated a charged lepton transformation. By considering kinematic approach also is relevant in projective H...

Journal: :Discrete and Continuous Dynamical Systems-series B 2023

In this paper, we are concerned with the existence of traveling wave solutions for Keller-Segel model logarithmic sensitivity. By Hopf-Cole transformation and transformation, degenerate system is transformed into a singularly perturbed system. constructing an invariant region to prove system, obtain small parameter by using geometric singular perturbation theory Fredholm theory. Finally, discus...

2010
Steven J. Owen Matthew L. Staten

The modeling and simulation process for design often involves many small iterations through multiple changes to geometry. In an automated setting, geometric characteristics are represented as parameters that are driven via an optimization procedure. The ability to automatically adjust and update an existing mesh to conform to modifications in the geometry is a necessary capability that can enab...

2012
Henrik Andreasson Todor Stoyanov

Recent increased popularity of RGB-D capable sensors in robotics has resulted in a surge of related RGBD registration methods. This paper presents several RGB-D registration algorithms based on combinations between local visual feature and geometric registration. Fast and accurate transformation refinement is obtained by using a recently proposed geometric registration algorithm, based on the T...

Journal: :Axioms 2023

In this paper, the author combines geometric theory of analytic function regarding differential superordination and subordination with fuzzy for convolution product Ruscheweyh derivative multiplier transformation. Interesting inequalities are obtained by author.

Journal: :Applied sciences 2022

Classification of remote sensing scene image (RSSI) has been broadly applied and attracted increasing attention. However, classification methods based on convolutional neural networks (CNNs) require a large number manually labeled samples as training data, which is time-consuming costly. Therefore, generating data becomes practical approach. conventional generation generative adversarial (GANs)...

Journal: :Applied mathematics 2021

In the teaching and researching of linear regression analysis, it is interesting enlightening to explore how dependent variable vector can be inner-transformed into coefficient estimator from a visible geometrical view. As an example, roadmap such inner transformation presented based on simple multiple model in this work. By applying matrix algorithms like singular value decomposition (SVD) Moo...

Journal: :J. Graphics Tools 2008
Thomas Larsson

An efficient algorithm to determine the intersection status between arbitrarily oriented ellipsoids and boxes (OBBs) is presented. By choosing a proper representation of the geometric objects and by utilizing an affine transformation of space, the problem is converted into a corresponding sphere-parallelepiped intersection test. Thereby, the evaluation of more costly mathematical operations oth...

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