نتایج جستجو برای: alignment constraints

تعداد نتایج: 260329  

2012
Srinivas Ravela

Field Alignment is a useful and often necessary preprocessing step in contemporary geophysical state and parameter estimation of coherent structures. In an advance, we introduce a new framework for using Field Alignment to quantify uncertainty from an ensemble of coherent structures. Our method, called Coalescence, discovers the mean field under non-trivial misalignments of fields with complex ...

2002
Rafael Muñoz Ruslan Mitkov Manuel Palomar Jesús Peral Cortés Richard Evans Lidia Moreno Constantin Orasan Maximiliano Saiz-Noeda Antonio Ferrández Rodríguez Catalina Barbu Patricio Martínez-Barco Armando Suárez

In this paper we present an automatic mechanism for bilingual (Spanish-English) alignment of anaphoric expressions. For this purpose, two anaphora resolution systems were used. Both are based on linguistic preferences and constraints, for Spanish (SUPPAR) and for English (MARS). These systems have been independently developed and each of them is presented individually with their evaluation resu...

2016
Oncel Tuzel Tim K. Marks Salil Tambe

Face alignment, which is the task of finding the locations of a set of facial landmark points in an image of a face, is useful in widespread application areas. Face alignment is particularly challenging when there are large variations in pose (in-plane and out-of-plane rotations) and facial expression. To address this issue, we propose a cascade in which each stage consists of a mixture of regr...

Journal: :Computers & OR 2014
Warren Hare Shahadat Hossain Yves Lucet Faisal Rahman

Selecting an optimal vertical alignment while satisfying safety and design constraints is an important task during road construction. The amount of earthwork operations depends on the design of the vertical alignment, so a good vertical alignment can have a profound impact on final construction costs. In this research, we improve the performance of a previous mixed-integer linear programming mo...

2017
Beenish Siddiqui Sudhir Goswami

1Student, Department of CSE, M.tech, Meerut Institute of Engg. & Technology, Uttar Pradesh, India. 2Associate Professor, Department of CSE, Meerut Institute of Engg & Technology, Uttar Pradesh, India. ---------------------------------------------------------------------***--------------------------------------------------------------------Abstract Fingerprint is the most common and authentic bi...

2009
Zhi-Ping Liu Ling-Yun Wu Yong Wang Takashi Yamamoto Xiang-Sun Zhang Luonan Chen

Protein local structures, especially the regional patterns of surface cavities, are critical to determine specific protein functions and crucial in drug design and other protein engineering [1, 2]. It is in pressing need to develop novel structural alignment methods to identify these functional structural motifs. Although many structure alignment methods have been developed [3], most of them re...

1995
P. A. Gerakines

Variations in polarization e ciency (p=A) of interstellar grains as a function of environment place vital constraints on models for the mechanism of their alignment. We use polarimetry of background eld stars to investigate alignment in the Taurus dark cloud as a function of optical depth for extinctions of AK < 2:5 (AV < 25). Results show a strong systematic trend in polarization e ciency with...

2017
Arja Ray Oscar Lee Zaw Win Rachel M. Edwards Patrick W. Alford Deok-Ho Kim Paolo P. Provenzano

Directed migration by contact guidance is a poorly understood yet vital phenomenon, particularly for carcinoma cell invasion on aligned collagen fibres. We demonstrate that for single cells, aligned architectures providing contact guidance cues induce constrained focal adhesion maturation and associated F-actin alignment, consequently orchestrating anisotropic traction stresses that drive cell ...

2013
Xiaojun Quan Chunyu Kit Yan Song

This paper studies the problem of nonmonotonic sentence alignment, motivated by the observation that coupled sentences in real bitexts do not necessarily occur monotonically, and proposes a semisupervised learning approach based on two assumptions: (1) sentences with high affinity in one language tend to have their counterparts with similar relatedness in the other; and (2) initial alignment is...

2002
João Rocha

Information integration is the focus of different research domains for several years. With the emergence of the Internet as a very large database, this topic became of extreme relevance for a larger audience, seeking for mechanisms to align information from different data sources according to semantic needs and constraints. The classical integration approaches do not satisfy new operational req...

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