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Electromechanical wave systems for mineral extraction
2022
Acta Montanistica Slovaca
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The construction of a structural bionic model of an electromechanical system is based on the use of a system of travelling wave equations with fixed ends and the principles of the genetic concept in electromechanics ...
To solve the problem of efficient transport technologies, a combination of electromagnetic effects with a bionic approach based on the use of the principles of motion dynamics of dolphins, fish and amphibians ...
Based on the geometric data of the computational domain, a numerical solution to the field problem was obtained using the standard procedure of the COMSOL FEMLAB 3.0 package. ...
doi:10.46544/ams.v27i2.08
fatcat:r2dmnzfr2zdr5f4sbjvn5rsbmy
End-to-end Optimization of Constellation Shaping for Wiener Phase Noise Channels with a Differentiable Blind Phase Search
[article]
2022
arXiv
pre-print
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In this work, we show how to modify the ubiquitous blind phase search (BPS) algorithm, a popular carrier phase estimation algorithm, to make it differentiable and include it in the end-to-end constellation ...
Our approach follows state-of-the-art bitwise auto-encoders, which require a differentiable implementation of all operations between transmitter and receiver, including the DSP algorithms. ...
For optimization of this GeoPCS system model, we use a modified loss function based on the BMI in (5) . ...
arXiv:2212.03839v1
fatcat:a45qjajgyvb7xhbk5sqwobkbsm
Geometric constraints on neuronal connectivity facilitate a concise synaptic adhesive code
2008
Proceedings of the National Academy of Sciences of the United States of America
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Our study suggests an additional advantage of these prominent topological features-the facilitation of the ability to genetically encode neuronal networks given constraints on the number of addresses. ...
Geometric neuronal connectivity with recurring connectivity patterns have been suggested to confer an evolutionary advantage by saving biochemical resources on the one hand and reutilizing functionally ...
We thank Uriel Feige, Elad Schneidman, Michal Golan-Mashiach, Nadav Kashtan, Merav Parter, Alon Zaslaver, Dan Gluck, Yaki Setty, and Eran Hodis for useful discussions. ...
doi:10.1073/pnas.0712207105
pmid:18583478
pmcid:PMC2453736
fatcat:rr5i2upytbfxjidg2u4qwnhsoq
Device-level early floorplanning algorithms for RF circuits
1999
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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This paper develops a floorplanner for radio-frequency circuits based on a genetic algorithm (GA) that supports fully simultaneous placement and routing. ...
Given that successful electrical performance requires careful control of the lowest-level geometric featureswire bends, precise length, planarity, etc., we suggest a new layout strategy for these circuits ...
Mlinar of HP-EEsof for several insightful discussions of the potential role of genetic optimization in device-level RF layout. ...
doi:10.1109/43.752922
fatcat:ujzxgtemknakhp5cga4dgymsji
Device-level early floorplanning algorithms for RF circuits
1998
Proceedings of the 1998 international symposium on Physical design - ISPD '98
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This paper develops a floorplanner for radio-frequency circuits based on a genetic algorithm (GA) that supports fully simultaneous placement and routing. ...
Given that successful electrical performance requires careful control of the lowest-level geometric featureswire bends, precise length, planarity, etc., we suggest a new layout strategy for these circuits ...
Mlinar of HP-EEsof for several insightful discussions of the potential role of genetic optimization in device-level RF layout. ...
doi:10.1145/274535.274543
dblp:conf/ispd/AktunaRC98
fatcat:ua6bxiz2gzayhf6hfipat6pwqy
Comparison of Geometric and Probabilistic Shaping with Application to ATSC 3.0
[article]
2016
arXiv
pre-print
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For GS, an optimization algorithm based on differential evolution is formulated. ...
In this work, geometric shaping (GS) and probabilistic shaping (PS) for the AWGN channel is reviewed. ...
In the following, we propose an optimization based on differential evolution [10] , which is a genetic algorithm and appears to find the global optimum, i.e., DE recovered previously reported results ...
arXiv:1608.00474v2
fatcat:v7fp2b4ofrbgjhawkmm573sqei
Molecular docking study of the binding of aminopyridines within the K+ channel
2007
Journal of Molecular Modeling
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We apply the AutoDock force field with a lamarckian genetic algorithm, using atomic charges for the ligands derived from the electrostatic potential obtained at the B3LYP/cc-pVDZ level. ...
On the other hand, 4-aminoquinoleine seems to have a smaller binding energy. ...
On the other hand, genetic algorithms are a particular class of evolutionary algorithms that use techniques inspired by evolutionary biology such as inheritance, mutation, selection, and crossover (also ...
doi:10.1007/s00894-007-0184-9
pmid:17340113
fatcat:xevp4xlnavhkpeoswhjesar4x4
Convolutional Neural Network (CNN) Model for the Classification of Varieties of Date Palm Fruits (Phoenix dactylifera L.)
2024
Sensors
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The main objective of this paper is to develop an automatic classification model for varieties of date palm fruits using a convolutional neural network (CNN) based on two fundamental criteria, i.e., colour ...
Therefore, non-contact methods are being sought based on image analysis, with digital solutions controlling the evaluation and classification processes. ...
When classifying based on geometric parameters, the algorithm assigned an appropriate label, which was a set of information calculated based on the shape of the image and the number of pixels with the ...
doi:10.3390/s24020558
pmid:38257650
pmcid:PMC10818393
fatcat:nv4fe2sggrcwdle3uxexm4go7m
Modern Techniques for Computer-Aided Melanoma Diagnosis
[chapter]
2011
Melanoma in the Clinic - Diagnosis, Management and Complications of Malignancy
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Some of this algorithms use: colorimetric and geometric analysis, statistical differentiation based on knowledge databases of diagnosed cases (supplied with most video and photo dermatoscopes).Table 4. ...
Symbolic (machine) learning methods used in our study are tested on two types of features extracted from pigmented lesion images: color/geometric features, and wavelet%based features. ...
doi:10.5772/23388
fatcat:ypam3hmjevectlvbswpfz6d2hq
`The frozen accident' as an evolutionary adaptation: A rate distortion theory perspective on the dynamics and symmetries of genetic coding mechanisms
2011
Nature Precedings
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Crick and how it can be explained in terms of several natural mechanisms involving error-correction codes, spin glasses, symmetry breaking and the characteristic robustness of genetic networks. ...
in transmission of the genetic code. ...
Related is how, in the statistical mechanics formulation, genetic algorithms based on spin glass models can reveal optimal selectivity as increasing with evolution. ...
doi:10.1038/npre.2011.5717.1
fatcat:6niayji26jhexmzamd4cbbjahi
Automated NMR assignment and protein structure determination using sparse dipolar coupling constraints
2009
Progress in nuclear magnetic resonance spectroscopy
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Several algorithms have been proposed for structure-based assignment using RDCs [4, 3, 63, 82, 83, 79, 67, 64] . ...
NVR uses two classes of constraints: geometric and probabilistic (Fig. 14 ). The H N À 15 N RDC, H-D exchange and 15 N-NOESY each provide independent geometric constraints on assignment. ...
Phase 2: SYMBRANE uses the consistent regions output from the branch-and-bound search plus possible assignments of the ambiguous NOEs, to determine a mutually-consistent, complete set of NOE assignments ...
doi:10.1016/j.pnmrs.2008.12.001
pmid:20160991
pmcid:PMC2755298
fatcat:cbtjb56livdibpycvwavbna5xa
Evo-Devo Strategies for Generative Architecture: Colour-Based Patterns in Polygon Meshes
2020
Biomimetics
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Flow-based programming is used to replicate genetic properties such as multifunctionality, repeatability and interchangeability. ...
Both the process and the result are oriented towards computational lightness for a future and better integration of the workflow in genetic algorithms. ...
Allometry Based on Mesh Faces The red colour channel will be used to simulate allometry changes in the phenotype (Figure 6 ). ...
doi:10.3390/biomimetics5020023
pmid:32456101
fatcat:v6u33btrxfdhlc3zf5ym3qv34y
PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
2002
Progress in nuclear magnetic resonance spectroscopy
Preserved Fulltext
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Several algorithms have been proposed for structure-based assignment using RDCs [4, 3, 63, 82, 83, 79, 67, 64] . ...
NVR uses two classes of constraints: geometric and probabilistic (Fig. 14) . The H N À 15 N RDC, H-D exchange and 15 N-NOESY each provide independent geometric constraints on assignment. ...
doi:10.1016/s0079-6565(01)00046-2
fatcat:5ix6izmnavb6vburdxtuvy42ui
Hyperparameter Optimization for Image Recognition over an AR-Sandbox Based on Convolutional Neural Networks Applying a Previous Phase of Segmentation by Color–Space
2018
Symmetry
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Using the proposed method, an average decrease of 39.45% to a function of loss and an increase of 14.83% on average in the percentage of correct answers is presented, concluding that the selected CNN model ...
For this reason, this research has the purpose of establishing a model of a CNN for the classification of geometric figures by optimizing hyperparameters using Random Search, evaluating the impact of the ...
The results of this study conclude that Symmetry 2018, 10, 743 4 of 16 the CBIR system is more efficient, and that it performs better when using feature selection based on a genetic algorithm, because ...
doi:10.3390/sym10120743
fatcat:rej44xp5hjb63k7a3d2mnkzbjy
Progress in nuclear magnetic resonance spectroscopy
1973
Journal of Molecular Structure
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Several algorithms have been proposed for structure-based assignment using RDCs [4, 3, 63, 82, 83, 79, 67, 64] . ...
NVR uses two classes of constraints: geometric and probabilistic (Fig. 14) . The H N À 15 N RDC, H-D exchange and 15 N-NOESY each provide independent geometric constraints on assignment. ...
doi:10.1016/0022-2860(73)80027-4
fatcat:bx6uuudlnvevjc66o6sgp4pizu
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