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   Articles with "efficient sampling" as a keyword



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Tracing studies in cohorts with attrition: Selection models for efficient sampling.

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recommendations! Published in 2018 at "Statistics in medicine"

DOI: 10.1002/sim.7646

Abstract: Cohort studies of chronic diseases involve recruitment and longitudinal follow-up of affected individuals with a view to studying the effect of risk factors on disease progression and death. When the time to withdrawal from the… read more here.

Keywords: selection models; tracing studies; efficient sampling; cohorts attrition ... See more keywords
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Exact and Efficient Sampling of Conditioned Walks

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recommendations! Published in 2018 at "Journal of Statistical Physics"

DOI: 10.1007/s10955-017-1911-y

Abstract: A computationally challenging and open problem is how to efficiently generate equilibrated samples of conditioned walks. We present here a general stochastic approach that allows one to produce these samples with their correct statistical weight… read more here.

Keywords: conditioned walks; sampling conditioned; efficient sampling; exact efficient ... See more keywords

Global reliability sensitivity analysis based on state dependent parameter method and efficient sampling techniques

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recommendations! Published in 2020 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2020.105740

Abstract: Abstract In order to efficiently assess the influence of input variables on the failure of the structural systems, an improved global reliability sensitivity analysis (SA) method is proposed in this paper. The new method is… read more here.

Keywords: global reliability; method efficient; analysis; method ... See more keywords

Watershed: a more efficient sampling unit for mountain camera traps

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recommendations! Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-86031-w

Abstract: Wildlife camera trap (CT) surveys typically employ two-dimensional equal-area grid sampling, which often neglects the influence of complex mountainous terrain on species distribution, potentially yielding misleading outcomes. A watershed, incorporating diverse habitats from high to… read more here.

Keywords: topography; sampling unit; mountain; camera ... See more keywords

Enhancing binding affinity predictions through efficient sampling with a re-engineered BAR method: a test on GPCR targets

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recommendations! Published in 2025 at "Chemical Science"

DOI: 10.1039/d5sc01030f

Abstract: Computational approaches for predicting the binding affinity of ligand–receptor complex structures often fail to validate experimental results satisfactorily due to insufficient sampling. To address these challenges, recent emphasis has been placed on the re-sampling of… read more here.

Keywords: bar; bar method; binding affinity; efficient sampling ... See more keywords

Efficient Sampling From the Watson Distribution in Arbitrary Dimensions

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recommendations! Published in 2024 at "Journal of Computational and Graphical Statistics"

DOI: 10.1080/10618600.2024.2416521

Abstract: Abstract In this article, we present two efficient methods for sampling from the Watson distribution in arbitrary dimensions. The first method adapts the rejection sampling algorithm from Kent, Ganeiber, and Mardia, originally designed for Bingham… read more here.

Keywords: watson distribution; sampling watson; distribution; distribution arbitrary ... See more keywords

An Efficient Sampling Scheme for the Eigenvalues of Dual Wishart Matrices

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recommendations! Published in 2021 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2021.3121197

Abstract: Despite the numerous results in the literature about the eigenvalue distributions of Wishart matrices, the existing closed-form probability density function (pdf) expressions do not allow for efficient sampling schemes from such densities. In this letter,… read more here.

Keywords: sampling scheme; wishart matrices; dual wishart; efficient sampling ... See more keywords

Efficient Sampling of Bernoulli-Gaussian-Mixtures for Sparse Signal Restoration

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recommendations! Published in 2022 at "IEEE Transactions on Signal Processing"

DOI: 10.1109/tsp.2022.3223775

Abstract: This paper introduces a new family of prior models called Bernoulli-Gaussian-Mixtures (BGM), with a view to efficiently address sparse linear inverse problems or sparse linear regression, in the Bayesian framework. The BGM family is based… read more here.

Keywords: mixtures sparse; sparse signal; gaussian mixtures; sampling bernoulli ... See more keywords

Efficient Sampling of Two-Stage Multi-Person Pose Estimation and Tracking from Spatiotemporal

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recommendations! Published in 2024 at "Applied Sciences"

DOI: 10.3390/app14062238

Abstract: Tracking the articulated poses of multiple individuals in complex videos is a highly challenging task due to a variety of factors that compromise the accuracy of estimation and tracking. Existing frameworks often rely on intricate… read more here.

Keywords: sampling two; estimation tracking; accuracy; efficient sampling ... See more keywords

Efficient Sampling of Knotting-Unknotting Pathways for Semiflexible Gaussian Chains

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recommendations! Published in 2017 at "Polymers"

DOI: 10.3390/polym9060196

Abstract: We propose a stochastic method to generate exactly the overdamped Langevin dynamics of semi-flexible Gaussian chains, conditioned to evolve between given initial and final conformations in a preassigned time. The initial and final conformations have… read more here.

Keywords: unknotting pathways; knotting unknotting; efficient sampling; gaussian chains ... See more keywords