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The bacteriological study of Acinetobacter baumannii isolated from burn patients in Al- Nasiriyah city - Iraq
2020
University of Thi-Qar journal
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respectively .The effect of some environmental factors on bacterial growth are studied .It is found that the optimal range of pH for bacterial growth is 6-10 ,and the optimal growth of bacteria in a concentration ...
The aim of present study was to investigated some virulence factors of Acinetobacter baumannii as well as study their tolerance to some environmental factors. ...
The average value of ratios of results of the finite element method to experimental results for ultimate load is 94%. ...
doi:10.32792/utq/vol14.4.1/
fatcat:zz5jirqa5zaw7j4ukmwnd2ourm
A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM
2013
2013 IEEE International Ultrasonics Symposium (IUS)
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the volume of the three-dimensional hydrogel. ...
The development of more complex tissues has been limited by the need for techniques that can rapidly organize cells and proteins within large three-dimensional scaffolds, and the need to create vascular ...
The authors acknowledge the ANR and DGA for their support under the project Metactif, grant ANR-11-ASTR-015. ...
doi:10.1109/ultsym.2013.0035
fatcat:th5znfh7y5bklfdbmhb4u6iq2i
Task-Based Optimization of Computed Tomography Imaging Systems
[article]
2015
arXiv
pre-print
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However, due to the demonstrated importance of optimization-based algorithms in a wide variety of CT applications, we devote one chapter to the characterization of noise properties in TV-based iterative ...
reconstruction, as the understanding of image statistics in optimization-based reconstruction is the limiting factor in applying HO metrics. ...
However, the attenuation value is decreased in order to simulate the first-order partial volume averaging in a finite slice thickness of 0.5 mm containing a microcalcification. ...
arXiv:1505.03891v1
fatcat:imaqz3q7ojaeroniudfrkpr5p4
Cell Segmentation in Cervical Smear Images using Polar Coordinates GVF Snake with Radiating Edge Map
2013
Journal of Multimedia
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The watermark information is embedded in a halftone process for image screening with phase modulation method. The watermark is extracted by a template, which is optimized using the PSO algorithm. ...
Print-and-scan attack is a challenging problem for most of digital watermarks. ...
We also thank the anonymous reviewers for their suggestions and feedback that helped us to improve the quality of this paper. ...
doi:10.4304/jmm.8.3.213-219
fatcat:fb5tm3tguvgmxblj3eygm7pqmu
A 3D Simplification Method based on Dual Point Sampling
2013
Journal of Multimedia
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The watermark information is embedded in a halftone process for image screening with phase modulation method. The watermark is extracted by a template, which is optimized using the PSO algorithm. ...
Print-and-scan attack is a challenging problem for most of digital watermarks. ...
We also thank the anonymous reviewers for their suggestions and feedback that helped us to improve the quality of this paper. ...
doi:10.4304/jmm.8.3.191-197
fatcat:z5gmzeiwqfadlakggntajifdru
Table of Contents
2016
Australian Journal of Primary Health
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Volume rendering often requires large amounts of memory, depending on the discipline and the data to be visualized. ...
To capture the infill-frame interaction, the modeling scheme developed combines: (i) finite length plastic hinge elements, which account for strength and stiffness deterioration of RC members in flexure ...
doi:10.1071/pyv22n4toc
fatcat:hrwhnxdpjreslhuwi7y4edqmo4
Iterative Filtering Decomposition Based on Local Spectral Evolution Kernel
2011
Journal of Scientific Computing
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The present work utilizes the LSEK to further stabilize the IFD, and offers an efficient, flexible and robust scheme for information extraction, complexity reduction, and signal and image understanding ...
The performance of the proposed method is compared with that of existing methods in the literature. ...
Besides achieving optimal balance between global spectral methods and finite element methods, LS methods also benefit the computer simulation by employing only the simple uniform grid points while most ...
doi:10.1007/s10915-011-9496-0
pmid:22350559
pmcid:PMC3281768
fatcat:gsfp5zaojfgrhb4mn2ix5g6x3e
Hybrid analysis and modeling, eclecticism, and multifidelity computing toward digital twin revolution
[article]
2021
arXiv
pre-print
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Recently, a third approach which is a combination of these deterministic and statistical models is emerging for scientific applications. ...
Addressing these challenges could enable the revolution of digital twin technologies for scientific and engineering applications. ...
ACKNOWLEDGMENTS
Conflict of interest The authors declare no potential conflict of interests. ...
arXiv:2103.14629v1
fatcat:rwk4ljq4irf6ziam6rc2vw27ra
A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications
2017
Semiconductor Science and Technology
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This is an order of magnitude higher than the traditional broad-area LEDs and makes µLEDs attractive sources for multi-Gbit/s VLC systems [25] , [26] . ...
Incandescent bulbs with an extremely low efficiency of 13-18 lumens per watt are being phased out. ...
We also gratefully acknowledge the contributions to this work of all the partners in UP-VLC. ...
doi:10.1088/1361-6641/32/2/023001
fatcat:iyl2iqfnzjbrfjblw4e3q3oeq4
Tapered vector Doppler for improved quantification of low velocity blood flow
2020
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
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This is done by assessing the effects of Singular Value Decompostion (SVD) and Finite Impulse Response (FIR) filters and designing an estimator which accounts for signal loss due to filtering. ...
For both SVD and FIR filters, suppression of the clutter signal resulted in large bias and variance in the estimated blood velocity magnitude and direction close to the vessel walls. ...
Note the difference in axes limits. been parallelized or optimized for speed, but processing times are still reported to give an impression of the potential for future real time implementation. ...
doi:10.1109/tuffc.2020.3028874
pmid:33021928
fatcat:mwxxrjuqdnauzjtdar2duekkdm
Active visual tracking in multi-agent scenarios
2017
2017 14th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS)
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Collision avoidance among robots and targets can be achieved by the Optimal Reciprocal Collision Avoidance (ORCA) method. ...
However, on-board sensing alone is not sufficient for tracking nearby targets due to occlusions in crowded scenes, where an external multi-camera system can help. ...
Summary This Chapter proposed an ORCA-based collision avoidance method for active visual tracking in multi-agent scenarios. ...
doi:10.1109/avss.2017.8078519
dblp:conf/avss/WangC17
fatcat:zxq22qcimrbrji3mrli6zf2wwu
D5.1 Operator Cost Estimation and Workflow Optimisation Technology V1
2020
Zenodo
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This deliverable presents techniques for optimizing workflow execution in terms of a set of optimization objectives (e.g., throughput, resource utilization) of extreme-scale analytics across different, ...
Big Data processing workflows typically span a multitude of execution and storage platforms. ...
More precisely, Level 1 data involve stock trades of the form < Date, Time, Price, Volume > for each data tick of an asset (stock). ...
doi:10.5281/zenodo.4034108
fatcat:t22h4qqgjfbsporpl4zkf5c2qm
Interactive Exploration of Implicit and Explicit Relations in Faceted Datasets
2013
IEEE Transactions on Visualization and Computer Graphics
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For this knowledge extraction to be efficient, visual exploration of data is demanded in addition to fully automatic methods, because visual exploration can integrate the creativity, flexibility, and general ...
They were my invaluable sources for advices on the information visualization side for most of my work. ...
I would like to thank all of them, ...
doi:10.1109/tvcg.2013.167
pmid:24051774
fatcat:43xwwk6lezbqzk2bf65ivvkp5u
The AI Economist: Optimal Economic Policy Design via Two-level Deep Reinforcement Learning
[article]
2021
arXiv
pre-print
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We demonstrate the efficacy of the AI Economist on the problem of optimal taxation. In simple one-step economies, the AI Economist recovers the optimal tax policy of economic theory. ...
From a simple specification of an economy, we learn rational agent behaviors that adapt to learned planner policies and vice versa. ...
For details, see Methods. ...
arXiv:2108.02755v1
fatcat:q5upiazgwrbp3cybmmuza2idxm
Ragnarok: An Architecture Based Software Development Environment
1999
DAIMI Report Series
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The geographic space architecture visualisation model is a viable model for visualising the logical aspect of an architecture. ...
The Ragnarok project is an experimental computer science project within the field of software development environments. ...
This scheme leads to a substantial saving in disk-space in cases where a team is working on software that build upon a large volume of libraries and subsystems. ...
doi:10.7146/dpb.v28i540.7951
fatcat:qv46lqwidrbyrfep7kqjwi33oe
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