نتایج جستجو برای: irregular geometric medium

تعداد نتایج: 353681  

2010
Zhouhui Lian Afzal Godil Thomas Fabry Takahiko Furuya Jeroen Hermans Ryutarou Ohbuchi Chang Shu Dirk Smeets Paul Suetens Dirk Vandermeulen Stefanie Wuhrer

Non-rigid shape matching is one of the most challenging fields in content-based 3D object retrieval. The aim of the SHREC 2010 Shape Retrieval Contest of Non-rigid 3D Models is to evaluate and compare the effectiveness of different methods run on a non-rigid 3D shape benchmark consisting of 200 watertight triangular meshes. Three groups with six methods have participated in this track and the r...

Journal: :J. Comput. Physics 2016
Zheng Chen Hongying Huang Ju'e Yang

Article history: Received 16 August 2015 Received in revised form 3 December 2015 Accepted 17 December 2015 Available online 21 December 2015

Journal: :Accident; analysis and prevention 2011
Xinping Yan Ming Ma Helai Huang Mohamed Abdel-Aty Chaozhong Wu

This research presents a comprehensive analysis of motor vehicle-bicycle crashes using 4 years of reported crash data (2004-2007) in Beijing. The interrelationship of irregular maneuvers, crash patterns and bicyclist injury severity are investigated by controlling for a variety of risk factors related to bicyclist demographics, roadway geometric design, road environment, etc. Results show that ...

2006
Xian Zhang

A new and simple approach for calculating the eigenstructure of a regular matrix pencil is presented. This proposed approach transforms the generalized eigenvalues problem into a usual eigenvalues problem, and it also can be used to calculate the Weierstrass form of a regular matrix pencil. Mathematics Subject Classification: 93B55

Journal: :Applied optics 2007
Nikolai V Voshchinnikov Gorden Videen Thomas Henning

The extinction efficiencies as well as the scattering properties of particles of different porosity are studied. Calculations are performed for porous pseudospheres with small size (Rayleigh) inclusions using the discrete dipole approximation. Five refractive indices of materials covering the range from 1.20+0.00i to 1.75+0.58i were selected. They correspond to biological particles, dirty ice, ...

2012
Andre Kubagawa Sato André Kubagawa Sato Marcos de Sales Guerra Tsuzuki Thiago de Castro Martins Antonio Miguel Gomes

Irregular nesting is a subgroup of cutting and packing problems in which a set of irregular items must be inserted in a rectangular container with a variable width. It is often found in industries such as textile, wood and shipbuilding and an efficient solution usually renders an economical and environmental positive impact. Due to the complex geometry of items, the no overlapping rule is hard ...

Journal: :Chaos 2010
Choongseok Park David Terman

Excitatory-inhibitory networks arise in many regions throughout the central nervous system and display complex spatiotemporal firing patterns. These neuronal activity patterns (of individual neurons and/or the whole network) are closely related to the functional status of the system and differ between normal and pathological states. For example, neurons within the basal ganglia, a group of subc...

1997
Tien-Tsin Wong Wai-Yin Ng Pheng-Ann Heng

To model surface imperfections and weathering, we propose a two-step texture generation framework in between manual texture synthesis and automatic physical simulation. Although the pattern of blemishes looks random, the systematic and geometry dependent nature of the underlying distribution is still observable. A distribution of tendency (potential to contain blemishes) is modeled in the first...

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