Articles with "density based" as a keyword



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Adaptive partitioning by local density‐peaks: An efficient density‐based clustering algorithm for analyzing molecular dynamics trajectories

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Published in 2017 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.24664

Abstract: We present an efficient density‐based adaptive‐resolution clustering method APLoD for analyzing large‐scale molecular dynamics (MD) trajectories. APLoD performs the k‐nearest‐neighbors search to estimate the density of MD conformations in a local fashion, which can group… read more here.

Keywords: molecular dynamics; density; dynamics trajectories; density based ... See more keywords
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Using density based indexes to characterize excited states evolution

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Published in 2019 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.25750

Abstract: With the aim of offering new computational tools helping in the description of photochemical reactions and phenomena occurring at the excited state, we present in this work the capability of a density based index (Π)… read more here.

Keywords: index; using density; density based; excited states ... See more keywords
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DMclust, a Density‐based Modularity Method for Accurate OTU Picking of 16S rRNA Sequences

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Published in 2017 at "Molecular Informatics"

DOI: 10.1002/minf.201600059

Abstract: Clustering 16S rRNA sequences into operational taxonomic units (OTUs) is a crucial step in analyzing metagenomic data. Although many methods have been developed, how to obtain an appropriate balance between clustering accuracy and computational efficiency… read more here.

Keywords: rrna sequences; method; 16s rrna; density based ... See more keywords
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GMC_FM : a grid and multi-density-based method for matching ancient Chinese architectural images

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Published in 2022 at "Machine Vision and Applications"

DOI: 10.1007/s00138-022-01274-1

Abstract: The protection and digitization of ancient Chinese Buddhist and Daoist temples is an urgent task due to their wooden structures and usual location on high mountainous sites, sensitive to various natural and manmade damages. Image-based… read more here.

Keywords: multi density; density based; feature; grid multi ... See more keywords
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Density-based topology optimization for 3D-printable building structures

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Published in 2019 at "Structural and Multidisciplinary Optimization"

DOI: 10.1007/s00158-019-02330-7

Abstract: This paper presents the study of a new penalty method for density-based topology optimization. The focus is on 3D-printable building structures with optimized stiffness and thermal insulation properties. The first part of the paper investigates… read more here.

Keywords: optimization; topology optimization; density based; based topology ... See more keywords
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Density-based topology optimisation considering nonlinear electromechanics

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Published in 2021 at "Structural and Multidisciplinary Optimization"

DOI: 10.1007/s00158-021-02886-3

Abstract: This work presents a first numerical study for the density-based topology optimisation in the challenging and scarcely explored context of nonlinear electromechanics, focusing on electro-active polymers, capable of undergoing large electrically induced deformations. This paper… read more here.

Keywords: topology optimisation; nonlinear electromechanics; density based; based topology ... See more keywords
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A density-based method with semi-discrete central-upwind schemes for ideal magnetohydrodynamics

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Published in 2017 at "Archive of Applied Mechanics"

DOI: 10.1007/s00419-016-1216-7

Abstract: In the present work, the central-upwind schemes proposed by Kurganov et al. (SIAM J Sci Comput 23:707–740, 2001) for hydrodynamics are extended and combined with the divergence cleaning method of Dedner (J Comput Phys 175:645–673,… read more here.

Keywords: upwind schemes; method; ideal magnetohydrodynamics; magnetohydrodynamics ... See more keywords
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Energy density based mobile sink trajectory in wireless sensor networks

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Published in 2019 at "Microsystem Technologies"

DOI: 10.1007/s00542-017-3569-4

Abstract: Sink mobility is one of the efficient solutions to sink hole or energy hole problem which is usually caused by multi-hop communication using a static sink. However, the design of an efficient path for the… read more here.

Keywords: mobile sink; energy density; density based; energy ... See more keywords
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Calculating debris flow density based on grain-size distribution

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Published in 2019 at "Landslides"

DOI: 10.1007/s10346-018-01130-2

Abstract: Debris flow density is an important parameter, which reflects the genetic types of debris flow and determines fundamental properties. Debris flow density is usually calculated based on a certain part of the grain composition, using… read more here.

Keywords: grain; density based; debris flow; flow density ... See more keywords
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A unified view of density-based methods for semi-supervised clustering and classification

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Published in 2019 at "Data Mining and Knowledge Discovery"

DOI: 10.1007/s10618-019-00651-1

Abstract: Semi-supervised learning is drawing increasing attention in the era of big data, as the gap between the abundance of cheap, automatically collected unlabeled data and the scarcity of labeled data that are laborious and expensive… read more here.

Keywords: classification; semi supervised; view; supervised clustering ... See more keywords
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Density-based clustering of big probabilistic graphs

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Published in 2019 at "Evolving Systems"

DOI: 10.1007/s12530-018-9223-2

Abstract: Clustering is a machine learning task to group similar objects in coherent sets. These groups exhibit similar behavior with-in their cluster. With the exponential increase in the data volume, robust approaches are required to process… read more here.

Keywords: based clustering; density based; graphs; probabilistic graphs ... See more keywords