نتایج جستجو برای: reconstruction structural

تعداد نتایج: 514149  

Journal: :Comput. Graph. Forum 2008
Yuru Pei Hongbin Zha Zhongbiao Yuan

The craniofacial reconstruction is employed as an initialization of the identification from skulls in forensics. In this paper, we present a two-level craniofacial reconstruction framework based on the local structural diversity of the skulls. On the low level, the holistic reconstruction is formulated as the superimposition of the selected tissue map on the novel skull. The crux is the accurat...

Journal: :The journal of physical chemistry. B 2012
Sebastian Kmiecik Dominik Gront Maksim Kouza Andrzej Kolinski

Atomic-level molecular dynamics simulations are widely used for the characterization of the structural dynamics of proteins; however, they are limited to shorter time scales than the duration of most of the relevant biological processes. Properly designed coarse-grained models that trade atomic resolution for efficient sampling allow access to much longer time-scales. In-depth understanding of ...

Journal: :Molecular bioSystems 2016
Samapan Sikdar J Chakrabarti Mahua Ghosh

Computational prediction of structure for macromolecular fragments is a formidable challenge. Here we show that the differences in conformational thermodynamics, computed using the equilibrium distribution of dihedral angles from molecular dynamics simulation, can identify the better model for the missing residues in the metal ion free (apo) skeletal muscle Troponin C (TnC). We use the model to...

2015
Natesh Srinivasan Luca Carlone Frank Dellaert

The identification and description of partial symmetries in man-made structures is a powerful tool to improve the quality of 3D reconstruction from unordered images and to enable high-level understanding of scene geometry. In this work we propose an approach to identify symmetries and exploit them in Structure from Motion (SfM). Our first contribution is a symmetry detection approach that uses ...

2010
Qianqian Fang Richard H. Moore Daniel B. Kopans David A. Boas

The development of effective multi-modality imaging methods typically requires an efficient information fusion model, particularly when combining structural images with a complementary imaging modality that provides functional information. We propose a composition-based image segmentation method for X-ray digital breast tomosynthesis (DBT) and a structural-prior-guided image reconstruction for ...

Journal: :acta medica iranica 0
m.s. farahvash

for the first time we have used eyelid skin expansion to facilitate reconstruction of selected patients with shortage of lid skin (e.g. for burn scar and after excision of tumors). this method allows for a controlled increase in skin, need for reconstruction, and offers many advantages over grafted skin transfered from a distance. color, texture, thinness, delicacy and adnexal structures are ae...

Journal: :Biomedical optics express 2015
Bin Deng Dana H Brooks David A Boas Mats Lundqvist Qianqian Fang

Multi-spectral near-infrared diffuse optical tomography (DOT) is capable of providing functional tissue assessment that can complement structural mammographic images for more comprehensive breast cancer diagnosis. To take full advantage of the readily available sub-millimeter resolution structural information in a multi-modal imaging setting, an efficient x-ray/optical joint image reconstructio...

2002
J. I. Glasgow D. Conklin S. Fortier

In recent years, crystallographic studies have generated an explosion of information on molecular structure. The three-dimensional structural information obtained from such studies provides precise and detailed depictions of molecular scenes, an essential starting point for unraveling the complex rules of structural organization and molecular interactions in biological systems. This information...

2009
R. Piasecki

A multi-scale approach to the inverse reconstruction of a pattern’s microstructure is reported. Instead of a correlation function, a pair of entropic descriptors (EDs) is proposed for stochastic optimization method. The first of them measures a spatial inhomogeneity, for a binary pattern, or compositional one, for a greyscale image. The second one quantifies a spatial or compositional statistic...

2017
Jonas Pogorzelski Zaamin B. Hussain George F. Lebus Erik M. Fritz Peter J. Millett

Chronic anterior shoulder instability due to structural failure of the subscapularis muscle and the anterior capsule is a rare and challenging diagnosis for surgeons to manage because poor-quality capsular, labral, and rotator cuff tissue often limits effective treatment options. If primary repair is not possible because of retraction and poor tissue quality, reconstruction with an allograft or...

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