Academic literature on the topic 'Structure reconstruction'

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Journal articles on the topic "Structure reconstruction"

1

Nilsen, Tine, Johannes P. Werner, Dmitry V. Divine, and Martin Rypdal. "Assessing the performance of the BARCAST climate field reconstruction technique for a climate with long-range memory." Climate of the Past 14, no. 6 (2018): 947–67. http://dx.doi.org/10.5194/cp-14-947-2018.

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Abstract. The skill of the state-of-the-art climate field reconstruction technique BARCAST (Bayesian Algorithm for Reconstructing Climate Anomalies in Space and Time) to reconstruct temperature with pronounced long-range memory (LRM) characteristics is tested. A novel technique for generating fields of target data has been developed and is used to provide ensembles of LRM stochastic processes with a prescribed spatial covariance structure. Based on different parameter setups, hypothesis testing in the spectral domain is used to investigate if the field and spatial mean reconstructions are cons
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Lewis, Michael R., and Robert Josephs. "Structure of frozen hydrated deoxy-sickle hemoglobin fibers." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 108–9. http://dx.doi.org/10.1017/s042482010016827x.

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Three-dimensional reconstruction of a helical particle can be accomplished from a single lateral view, but in practice the reconstruction procedure must be optimized to make the best use of the available projection data. This is especially true for unstained frozen hydrated (ice embedded) specimens, whose micrographs have a characteristically low signal to noise ratio. Deoxy-sickle hemoglobin (HbS) fibers present an additional difficulty as well because these particles have a variable pitch and may also have variation in their unit cell structure. We have carried out a three-dimensional recons
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Yang, Xiaogang, Maik Kahnt, Dennis Brückner, et al. "Tomographic reconstruction with a generative adversarial network." Journal of Synchrotron Radiation 27, no. 2 (2020): 486–93. http://dx.doi.org/10.1107/s1600577520000831.

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This paper presents a deep learning algorithm for tomographic reconstruction (GANrec). The algorithm uses a generative adversarial network (GAN) to solve the inverse of the Radon transform directly. It works for independent sinograms without additional training steps. The GAN has been developed to fit the input sinogram with the model sinogram generated from the predicted reconstruction. Good quality reconstructions can be obtained during the minimization of the fitting errors. The reconstruction is a self-training procedure based on the physics model, instead of on training data. The algorith
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Jategaonkar, Ameya A., Vivian F. Kaul, Eric Lee, and Eric M. Genden. "Surgery of the Palatomaxillary Structure." Seminars in Plastic Surgery 34, no. 02 (2020): 071–76. http://dx.doi.org/10.1055/s-0040-1709430.

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AbstractThe palatomaxillary structure plays critical roles in both form and function of the midface. Surgical defects of the palate and maxilla can be associated with significant morbidity and deformity. Various defect classification systems have been used to assist in reconstruction and rehabilitation. Reconstructive options include prosthetic rehabilitation, local flaps, and free tissue transfer. Here, we review the functional and surgical anatomy of the palatomaxillary complex, defect classification systems, and provide an overview of reconstructive options.
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Bournez, E., T. Landes, M. Saudreau, P. Kastendeuch, and G. Najjar. "FROM TLS POINT CLOUDS TO 3D MODELS OF TREES: A COMPARISON OF EXISTING ALGORITHMS FOR 3D TREE RECONSTRUCTION." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W3 (February 23, 2017): 113–20. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w3-113-2017.

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3D models of tree geometry are important for numerous studies, such as for urban planning or agricultural studies. In climatology, tree models can be necessary for simulating the cooling effect of trees by estimating their evapotranspiration. The literature shows that the more accurate the 3D structure of a tree is, the more accurate microclimate models are. This is the reason why, since 2013, we have been developing an algorithm for the reconstruction of trees from terrestrial laser scanner (TLS) data, which we call TreeArchitecture. Meanwhile, new promising algorithms dedicated to tree recon
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CHUNG, J. W., K. S. SHIN, and S. C. HONG. "ELECTRONIC STRUCTURE AND RECONSTRUCTION OF THE Mo(001) SURFACE." Modern Physics Letters B 07, no. 13n14 (1993): 865–80. http://dx.doi.org/10.1142/s0217984993000862.

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Recent developments in understanding the nature of surface electronic structure focused on illuminating the electronic origin of reconstruction of the Mo (001) surface have been reviewed. The long-standing disputes between two competing theoretical models, the charge density wave model and the local bonding model, for the driving mechanism of the reconstructional transition seem to be resolved by recent experimental evidences favoring the Peierls-type 2kF instabilities with significant matrix element effects. Details of recent experimental and theoretical findings for the surface electronic ba
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Бакулин, А. В., та С. Е. Кулькова. "Первопринципное изучение реконструкций поверхности (001) полупроводников GaSb и InSb". Физика и техника полупроводников 54, № 7 (2020): 631. http://dx.doi.org/10.21883/ftp.2020.07.49503.9363.

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The atomic and electronic structures of reconstructions with (2 × 4), (4 × 2), c(4 × 4) and (4 × 3) symmetry on the (001) surface of GaSb and InSb semiconductors were studied by the projector augmented-wave method. It was shown that in the cation-rich limit the β2(2 × 4) reconstruction is stable on the GaSb(001) surface, whereas α2(2 × 4) has the lowest energy in the case of InSb. The c(4 × 4) reconstruction with three Sb dimers is found to be stable in the Sb-rich limit. Near stoichiometric composition the α(4 × 3) and β(4 × 3) structures are stable that is in agreement with experimental data
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Sui, Dong, Kuanquan Wang, Jinseok Chae, Yue Zhang, and Henggui Zhang. "A Pipeline for Neuron Reconstruction Based on Spatial Sliding Volume Filter Seeding." Computational and Mathematical Methods in Medicine 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/386974.

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Neuron’s shape and dendritic architecture are important for biosignal transduction in neuron networks. And the anatomy architecture reconstruction of neuron cell is one of the foremost challenges and important issues in neuroscience. Accurate reconstruction results can facilitate the subsequent neuron system simulation. With the development of confocal microscopy technology, researchers can scan neurons at submicron resolution for experiments. These make the reconstruction of complex dendritic trees become more feasible; however, it is still a tedious, time consuming, and labor intensity task.
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Franchelli, Simonetta, Maria Stella Leone, Pietro Berrino, et al. "Can the Cost Affect the Choice of Various Methods of Postmastectomy Breast Reconstruction?" Tumori Journal 84, no. 3 (1998): 383–86. http://dx.doi.org/10.1177/030089169808400314.

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Aim and background A wide range of methodologies for breast reconstruction is now available. For immediate breast reconstruction we prefer to use implants, whereas reconstruction using autologous tissues, such as transverse rectus abdominis musculocutaneous flaps (TRAMF) and muscular latissimus dorsi flaps, is applied only in selected cases. In contrast, for delayed reconstruction the choice between prostheses and autologous tissue depends on various conditions. The different reconstructive methods can be adopted as a single procedure or as a combination of surgical procedures. Following the i
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Du, Yi, Hongyan Tu, and Ting Zhang. "Pore Space Reconstruction of Shale Using Improved Variational Autoencoders." Geofluids 2021 (March 18, 2021): 1–11. http://dx.doi.org/10.1155/2021/5545411.

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Pore space reconstruction is of great significance to some fields such as the study of seepage mechanisms in porous media and reservoir engineering. Shale oil and shale gas, as unconventional petroleum resources with abundant reserves in the whole world, attract extensive attention and have a rapid increase in production. Shale is a type of complex porous medium with evident fluctuations in various mineral compositions, dense structure, and low hardness, leading to a big challenge for the characterization and acquisition of the internal shale structure. Numerical reconstruction technology can
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