نتایج جستجو برای: moving deformation operation

تعداد نتایج: 381403  

2010
Li Jiang Yaolei Lin Le-wei Yu Qianwei Ye

This paper presents a novel craniofacial reconstruction algorithm based on moving least squares deformation. The 3D skull mesh model is obtained with Marching Cube Algorithm, which extract the iso-surface from a complete head CT slice datum. The holes detected in the 3D skull model can be repaired with different methods after the holes are clarifed . Then, the craniofacial is reconstructed usin...

M.G Gorla R Kumar, S Kumar,

The present investigation is concerned with the deformation of thermoporoelastic half space with incompressible fluid as a result of inclined load of arbitrary orientation. The inclined load is assumed to be linear combination of normal load and tangential load. The Laplace and Fourier transform technique are used to solve the problem. The concentrated force, uniformly distributed force and a m...

2008
A. R. Mkrtchyan A. A. Saharian V. V. Parazian

In the present paper we investigate coherent bremsstrahlung of high energy electrons moving in a periodically deformed single crystal with a complex base. The formula for corresponding differential cross-section is derived for an arbitrary deformation field. The conditions are discussed under which the influence of the deformation is important. The case is considered in detail when the electron...

2010
Ho-Lun Cheng Ke Yan

Maintaining a moving mesh of a deforming surface is widely studied in various disciplines. However, difficulties arise with requirements of topology changes, homeomorphism between mesh and surface, and guarantees of triangle quality. We propose a mesh deformation algorithm to satisfy the above requirements. We employ the skin surface by Edelsbrunner that approximates objects in fields like comp...

Journal: :GeoInformatica 2017
Mark McKenney Roger Frye Zachary Benchley Logan Maughan

A temporal coverage operation computes the duration that a moving object covers a spatial area. We extend this notion into temporal coverage aggregates, in which the spatial area covered for a maximum or minimum amount of time by a moving region, or set of moving regions, is discovered. We define the max temporal aggregate coverage operation and the min temporal aggregate coverage operation. We...

2003
Philip Watts Stephan T. Grilli

We study underwater landslide shape, motion and deformation at early times. We present experimental and numerical results in a search for general behaviors of tsunamigenic underwater landslides. Our experimental work presents a granular mass moving and deforming down a steep incline. Our numerical work uses a Bingham-like fluid model (BING) to simulate more realistic underwater landslide models...

1996
Nuno Crato Philip Rothman

We address the question of unemployment hysteresis within the context of ARFIMA models. Our results suggest that in the post-1973 era, hysteresis is considerably less of a stylized fact for the unemployment rates of key OECD economies. JEL Categories C22, E30 Please address all correspondence to: Philip Rothman, Department of Economics, Brewster * Building, East Carolina University, Greenville,...

Journal: :Signal Processing 1998
Charles Kervrann

In this paper, we present an approach for an unsupervised learning of probabilistic deformation modes of 2D moving objects from image sequences. The object representation relies on a statistical description of global and local deformations applied to an a priori prototype shape. The optimal bayesian estimate of the deformation process is obtained by maximizing a nonlinear joint probability dist...

2012
Sunil Kumar Santhosh Rao

Moving Object Detection is one of the key research areas of Image processing. In this regard many researches are underway to provide a novel approach to detect moving object with less space and time complexity. This paper, outlines the novel approach to detect high speed moving object with frame interleaving in frame differencing operation and clustering based compression for frame and backgrou...

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