نتایج جستجو برای: moving deformation operation

تعداد نتایج: 381403  

2000
Heinz Dehnen Sergiu I. Vacaru

We apply the method of moving anholonomic frames, with associated nonlinear connections, in (pseudo) Riemannian spaces and examine the conditions when various types of locally anisotropic (la) structures (Lagrange, Finsler like and more general ones) could be modeled in general relativity. New classes of solutions of the Einstein equations with generic local anisotropy are constructed. We formu...

Journal: :International Journal of Heat and Mass Transfer 2003

2014
Zisheng Li Tsuneya Kurihara

Free-form deformation (FFD) is widely used in deformable image registration. FFD uses a regular grid of control points to generate image deformation. Accurate optimization of the control-point displacement relies on an appropriate initial-deformation of the regular grid. In this work, a hybrid registration of landmark-based and free-form deformation is proposed and applied to lung CT images. Co...

2008
Vivien Delsart Thierry Fraichard

Path deformation is a technique that was introduced to generate robot motion wherein a path, that has been computed beforehand, is continuously deformed on-line in response to unforeseen obstacles. In an effort to improve path deformation, this paper presents a trajectory deformation scheme. The main idea is that by incorporating the time dimension and hence information on the obstacles’ future...

Journal: :CIT 2009
Thierry Fraichard Vivien Delsart

Path deformation is a technique that was introduced to generate robot motion wherein a nominal path, that had been computed beforehand, was continuously deformed on-line in response to unforeseen obstacles. In an effort to improve path deformation, this paper presents a trajectory deformation scheme. The main idea is that by incorporating the time dimension and hence information on the obstacle...

Journal: :VNU Journal of Science: Earth and Environmental Sciences 2021

Horizontal displacement of Hoa Binh dam in operation phase is analyzed and then forecasted by using three methods: the multi-regression model (MTR), Seasonal Integrated Auto-regressive Moving Average (SARIMA) Back-propagation Neural Network (BPNN) model. The monitoring data Dam 137 periods, including horizontal displacement, time, reservoir water level air temperature, are used for experiments....

Anil B. Shinde Shivaji G. Chavan,

Presents article is deal with optimization of the fixture for end milling process, the most important objective being the minimization of work piece deformation by changing the layout of fixture elements and the clamping forces. The main objective of this work has been the optimization of the fixtures Work piece deformation subjected to clamping forces for End milling operation. The present ana...

Journal: :Appl. Soft Comput. 2016
Binjie Qin Zhuangming Shen Zien Zhou Jiawei Zhou Yisong Lv

For nonrigid image registration, matching the particular structures (or the outliers) that have missing correspondence and/or local large deformations, can be more difficult than matching the common structures with small deformations in the two images. Most existing works depend heavily on the outlier segmentation to remove the outlier effect in the registration. Moreover, these works do not ha...

2015
Alexander L. Handwerger Joshua J. Roering David A. Schmidt Alan W. Rempel

a r t i c l e i n f o Slow-moving landslides exhibit persistent downslope motion with variations in velocity driven by transient stress perturbations along the sliding surface. Here, we use satellite InSAR and high-resolution topographic data to identify 50 slow-moving landslides in the Northern California Coast Ranges, and monitor their seasonal kinematics over 4 years. These landslides have s...

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