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Isogeometric analysis based on geometric reconstruction models

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 782-797 doi: 10.1007/s11465-021-0648-0

Abstract: represented by boundary polygons or point cloud and is embedded into a regular background grid, and a model reconstructionmethod is proposed to obtain the level set function of the approximate model, which can be directly

Keywords： isogeometric analysis     reconstruction model     level set function     trimmed element     point cloud    

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Extrapolation reconstruction of wind pressure fields on the claddings of high-rise buildings

Yehua SUN, Guquan SONG, Hui LV

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 653-666 doi: 10.1007/s11709-018-0503-5

Abstract: Recent research about reconstruction methods mainly used the interpolation reconstruction of the fluctuatingan improved proper orthogonal decomposition (POD) and Kriging method with a von Kármán correlation functionreconstruction.Hence, the fluctuating wind fields have been characterized by the von Kármán correlation function, asan a priori function.

Keywords： extrapolation reconstruction     proper orthogonal decomposition     Kriging method     von Kármán function     Hurst    

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The stem cell and tissue engineering research in Chinese ophthalmology

GE Jian, LIU Jingbo

Frontiers of Medicine 2007, Volume 1, Issue 1,   Pages 6-10 doi: 10.1007/s11684-007-0002-x

Abstract: Leading edge research of SC and TE on the ocular surface reconstruction, neuroregeneration and protectionHowever, challenges remain on the way, especially on the aspects of function reconstruction and specific

Keywords： available     observable     neuroregeneration     protection     function reconstruction    

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Light field imaging: models, calibrations, reconstructions,and applications Review

Hao ZHU, Qing WANG, Jingyi YU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9,   Pages 1236-1249 doi: 10.1631/FITEE.1601727

Abstract: the physical world, which provides new ways to addressvarious problems in computer vision, such as 3D reconstructionIn this paper, three key aspectsof light field cameras, i.e., model, calibration, and reconstruction,

Keywords： Light field imaging     Plenoptic function     Imaging model     Calibration     Reconstruction    

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Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 840-854 doi: 10.1007/s11465-021-0643-5

Abstract: Compared with the model in published literature, the proposed model has equal reconstruction effect in

Keywords： surface topography     fractal evaluation     fractal interpolation     reconstruction     composite    

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Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0731-1

Abstract: This study proposes a method of full-field and real-time strain reconstruction of an aero-engine blade

Keywords： aero-engine blade     displacement response     dynamic strain reconstruction     mode shape     strain gauge    

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Shape reconstruction of parallelogram flaw

ZHENG Gangfeng, WU Bin, HE Cunfu

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 17-22 doi: 10.1007/s11465-008-0015-4

Abstract: In view of the definition of a characteristic function, the shape factor has a corresponding integralObviously, the shape factor can be considered as a Fourier transform of the characteristic function,

Keywords： approximation     scatterer     scattering problem     information     inverse    

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The ecological system and the regionalization of landscape reconstruction in northwest of China

Peicheng LI,Guoyuan DU,Qilei LI,Jinfeng WANG,Feimin ZHENG

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 4,   Pages 291-298 doi: 10.15302/J-FASE-2014033

Abstract: Thus, the Chinese government is strengthening research on improvement and reconstruction of the ecologicalIt is suggested that the reconstruction of landscape should be conducted by step by step regionalizationThe first level regionalization results of reconstruction of landscape are discussed.

Keywords： reconstruction of landscape     ecological system     the northwest area of China     science and technology action    

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A dynamic stiffness-based framework for harmonic input estimation and response reconstruction considering

Yixian LI; Limin SUN; Wang ZHU; Wei ZHANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 448-460 doi: 10.1007/s11709-022-0805-5

Abstract: In structural health monitoring (SHM), the measurement is point-wise but structures are continuous. Thus, input estimation has become a hot research subject with which the full-field structural response can be calculated with a finite element model (FEM). This paper proposes a framework based on the dynamic stiffness theory, to estimate harmonic input, reconstruct responses, and to localize damages from seriously deficient measurements. To begin, Fourier transform converts the dynamic equilibrium equation to an equivalent static one in the frequency domain, which is under-determined since the dimension of measurement vector is far less than the FEM-node number. The principal component analysis has been adopted to “compress” the under-determined equation, and formed an over-determined equation to estimate the unknown input. Then, inverse Fourier transform converts the estimated input in the frequency domain to the time domain. Applying this to the FEM can reconstruct the target responses. If a structure is damaged, the estimated nodal force can localize the damage. To improve the damage-detection accuracy, a multi-measurement-based indicator has been proposed. Numerical simulations have validated that the proposed framework can capably estimate input and reconstruct multi-types of full-field responses, and the damage indicator can localize minor damages even with the existence of noise.

Keywords： dynamic stiffness     principal component analysis     response reconstruction     damage localization     under-determined    

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Development of surface reconstruction algorithms for optical interferometric measurement

Dongxu WU, Fengzhou FANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 1-31 doi: 10.1007/s11465-020-0602-6

Abstract: This paper provides an in-depth perspective of surface topography reconstruction for optical interferometric

Keywords： surface topography     measurement     optical interferometry     coherence envelope     phase-shifting algorithm    

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Ontological reconstruction of the clinical terminology of traditional Chinese medicine

Li Ma,Baoyan Liu,Qi Xie,Shusong Mao,Zhiwei Cui

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 358-361 doi: 10.1007/s11684-014-0348-9

Abstract:

This study proposes the ontological reconstruction of the current clinical terminology of traditionalIt also provides an overview of preliminary work related to the said reconstruction, including the ontology-basedWe conclude that the ontological reconstruction of TCM clinical terminology provides a proper translation

Keywords： ontology     traditional Chinese medicine     clinical terminology    

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Animage-based approach to the reconstruction of ancient architectures by extracting and arranging 3D

Divya Udayan J,HyungSeok KIM,Jee-In KIM

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 1,   Pages 12-27 doi: 10.1631/FITEE.1400141

Abstract: The objective of this research is the rapid reconstruction of ancient buildings of historical importanceIn this article, we consider the reconstruction of ancient Mughal architecture including the Taj MahalWe propose a modeling pipeline that makes an easy reconstruction possible using a single photograph takenThis approach is faster and more accurate than creating a model from scratch because the initial reconstruction

Keywords： Digital reconstruction     3D virtual world     3D spatial components     Vision and scene understanding    

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Three-dimensional reconstruction of light microscopy image sections: present and future

Yuzhen Wang,Rui Xu,Gaoxing Luo,Jun Wu

Frontiers of Medicine 2015, Volume 9, Issue 1,   Pages 30-45 doi: 10.1007/s11684-014-0337-z

Abstract:

Three-dimensional (3D) image reconstruction technologies can reveal previously hidden microstructuresorgans that have been serial-sectioned, dyed or stained, imaged, and segmented for 3D visualization. 3D reconstructionThis article outlines the most common methods for 3D tissue section reconstruction.We also note key steps in the reconstruction procedures, and highlight recent progress in the developmentof new reconstruction methods.

Keywords： microtomy     3D imaging     computer-assisted image processing     3D printing     tissue scaffold    

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Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 574-583 doi: 10.1007/s11684-021-0882-1

Abstract: The effect of air pollution on the lung function of adults with asthma remains unclear to date.The participants were divided into three groups according to their lung function level at every visitA linear mixed-effect model was applied to predict the change in lung function with each unit changeExposure to CO and PM2.5 was negatively associated with the large airway function of adultsPatients with asthma react differently to air pollutants as evidenced by their lung function levels.

Keywords： lung function     asthma     air pollution     adult    

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Development Trends of Villages and Towns in China

Cao Lu, Tan Jing, Wei Lai, Chen Yu, Jiang Ming, Zhuo Jia, Hua Chuanzhe, Feng Xu, Xu Shuncai

Strategic Study of CAE 2019, Volume 21, Issue 2,   Pages 6-13 doi: 10.15302/J-SSCAE-2019.02.011

Abstract: focus of the construction of grass-roots villages and towns and will further affect the integration and reconstruction

Keywords： moderate agglomeration     differentiation trend     new function     new format     new growth point     space reconstruction    

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Title Author Date Type Operation

Isogeometric analysis based on geometric reconstruction models

Journal Article

Extrapolation reconstruction of wind pressure fields on the claddings of high-rise buildings

Yehua SUN, Guquan SONG, Hui LV

Journal Article

The stem cell and tissue engineering research in Chinese ophthalmology

GE Jian, LIU Jingbo

Journal Article

Light field imaging: models, calibrations, reconstructions,and applications

Hao ZHU, Qing WANG, Jingyi YU

Journal Article

Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

Journal Article

Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Journal Article

Shape reconstruction of parallelogram flaw

ZHENG Gangfeng, WU Bin, HE Cunfu

Journal Article

The ecological system and the regionalization of landscape reconstruction in northwest of China

Peicheng LI,Guoyuan DU,Qilei LI,Jinfeng WANG,Feimin ZHENG

Journal Article

A dynamic stiffness-based framework for harmonic input estimation and response reconstruction considering

Yixian LI; Limin SUN; Wang ZHU; Wei ZHANG

Journal Article

Development of surface reconstruction algorithms for optical interferometric measurement

Dongxu WU, Fengzhou FANG

Journal Article

Ontological reconstruction of the clinical terminology of traditional Chinese medicine

Li Ma,Baoyan Liu,Qi Xie,Shusong Mao,Zhiwei Cui

Journal Article

Animage-based approach to the reconstruction of ancient architectures by extracting and arranging 3D

Divya Udayan J,HyungSeok KIM,Jee-In KIM

Journal Article

Three-dimensional reconstruction of light microscopy image sections: present and future

Yuzhen Wang,Rui Xu,Gaoxing Luo,Jun Wu

Journal Article

Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Journal Article

Development Trends of Villages and Towns in China

Cao Lu, Tan Jing, Wei Lai, Chen Yu, Jiang Ming, Zhuo Jia, Hua Chuanzhe, Feng Xu, Xu Shuncai

Journal Article