Publications related to Centre (geometry)

Tomographic Volumetric Additive Manufacturing of Silicon Oxycarbide Ceramics

Jürgen Brugger, Christophe Moser, Paul Delrot, Jorge Andres Madrid Wolff, Max Kollep, Damien Claude-Marie Loterie, Lorenz Hagelüken, Georgia Konstantinou, Antoine Vincent Boniface

Ceramics are highly technical materials with properties of interest for multiple industries. Precisely because of their high chemical, thermal, and mechanical resistance, ceramics are difficult to mold into complex shapes. A possibility to make convoluted ...

2022

Free form deformation techniques applied to 3D shape optimization problems

Alfio Quarteroni, Gianluigi Rozza, Anwar Koshakji

The purpose of this work is to analyse and study an efficient parametrization technique for a 3D shape optimization problem. After a brief review of the techniques and approaches already available in literature, we recall the Free Form Deformation parametr ...

2013

Dynamics of Urban Centre and Concepts of Symmetry: Centroid and Weighted Mean

Jong-Jin Park

The city is a kind of complex system being capable of auto-organization of its programs and adapts a principle of economy in its form generating process. A new concept of dynamic centre in urban system, called "the programmatic moving centre", can be used ...

Birkhäuser-Verlag, Springer2011

Quantitative Prediction Of Flow Patterns In Liquid-Liquid Flow In Micro-Capillaries

Lioubov Kiwi, Madhvanand Namadeo Kashid

Flow patterns in microstructured reactors (or microchannels) play an important role in dictating the mass transfer rates. In the present work, experiments were carried out to investigate the two phase (liquids) flow patterns in microchannels with different ...

Elsevier2011

Sampling-aware Polar Descriptors on the Sphere

Pascal Frossard, Zafer Arican

We present a new descriptor and feature matching solution for omnidirectional images. The descriptor builds on the log-polar planar descriptors, but adapts to the specific geometry and non-uniform sampling density of spherical images. We further propose a ...

2010

Non-adiabatic coupling vectors within linear response time-dependent density functional theory

Ursula Röthlisberger, Ivano Tavernelli, Enrico Marko Tapavicza

A method is developed to compute the nonadiabatic coupling vectors (NACVs) between electronic ground and excited states as well as between any possible pair of excited states within the framework of linear response time-dependent density functional theory ...

2009

Development of a robotic mobile mapping system by vision-aided inertial navigation

Fadi Atef Bayoud

Vision-based inertial-aided navigation is gaining ground due to its many potential applications. In previous decades, the integration of vision and inertial sensors was monopolised by the defence industry due to its complexity and unrealistic economic burd ...

EPFL2006

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Jean-Philippe Thiran, Pierre Vandergheynst, Xavier Bresson, Iva Bogdanova Vandergheynst

We propose here some basic approaches to direct processing of the

360^o

-images as we take into consideration the geometry of each one. Obviously, the geometry of each of these images is a consequence of the geometry of the sensor's mirror used. This tech ...

2005

Precise Bearing Angle Measurement Based on Omnidirectional Conic Sensor and Defocusing

Roland Siegwart, Davide Scaramuzza

Recent studies on multi-robot localization have shown that the uncertainty of robot location may be considerably reduced by optimally fusing odometry and the relative angles of sight (bearing) among the team members. However, the latter requires the capabi ...

2005

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Tomographic Volumetric Additive Manufacturing of Silicon Oxycarbide Ceramics

Free form deformation techniques applied to 3D shape optimization problems

Dynamics of Urban Centre and Concepts of Symmetry: Centroid and Weighted Mean

Quantitative Prediction Of Flow Patterns In Liquid-Liquid Flow In Micro-Capillaries

Sampling-aware Polar Descriptors on the Sphere

Non-adiabatic coupling vectors within linear response time-dependent density functional theory

Development of a robotic mobile mapping system by vision-aided inertial navigation

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Precise Bearing Angle Measurement Based on Omnidirectional Conic Sensor and Defocusing

Sampling-aware Polar Descriptors on the Sphere

Dynamics of Urban Centre and Concepts of Symmetry: Centroid and Weighted Mean

Non-adiabatic coupling vectors within linear response time-dependent density functional theory

Free form deformation techniques applied to 3D shape optimization problems

Tomographic Volumetric Additive Manufacturing of Silicon Oxycarbide Ceramics

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Quantitative Prediction Of Flow Patterns In Liquid-Liquid Flow In Micro-Capillaries

Precise Bearing Angle Measurement Based on Omnidirectional Conic Sensor and Defocusing

Development of a robotic mobile mapping system by vision-aided inertial navigation