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Lấy mẫu Gibbs không gian×MCMC không gian×
Lĩnh vựcBayesBayes
HọBayesian methodsBayesian methods
Năm ra đời19841990s
Người khởi xướngStuart Geman and Donald GemanGelfand, Smith, and colleagues (early 1990s MCMC for spatial models)
LoạiMCMC sampling algorithm for spatial modelsBayesian computational method
Công trình gốcGeman, S. & Geman, D. (1984). Stochastic relaxation, Gibbs distributions, and the Bayesian restoration of images. IEEE Transactions on Pattern Analysis and Machine Intelligence, 6(6), 721–741. DOI ↗Banerjee, S., Carlin, B. P., & Gelfand, A. E. (2015). Hierarchical Modeling and Analysis for Spatial Data (2nd ed.). CRC Press. ISBN: 978-1439819173
Tên gọi khácGibbs sampler for spatial models, MRF Gibbs sampling, spatial MCMC via Gibbs, conditional field simulationspatial Markov chain Monte Carlo, MCMC for spatial data, spatial Bayesian MCMC, geostatistical MCMC
Liên quan44
Tóm tắtSpatial Gibbs sampling applies the Gibbs sampler — a coordinate-wise Markov chain Monte Carlo algorithm — to models where observations are arranged in space and nearby locations are statistically dependent. By exploiting the conditional independence implied by a spatial neighbourhood structure, each site is updated one at a time given its neighbours, making posterior inference tractable for Markov random fields, Gaussian random fields, and hierarchical geostatistical models.Spatial MCMC applies Markov chain Monte Carlo sampling to Bayesian models that explicitly account for spatial dependence among observations. It draws posterior samples from models such as conditional autoregressive (CAR), simultaneous autoregressive (SAR), or geostatistical (Gaussian process) models, yielding full uncertainty distributions for spatially structured parameters like random effects, regression coefficients, and spatial range.
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ScholarGateSo sánh phương pháp: Spatial Gibbs Sampling · Spatial MCMC. Truy cập ngày 2026-06-17 từ https://scholargate.app/vi/compare