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نمونه‌برداری گیبس فضایی×استنتاج بیزی فضایی×
حوزهبیزیبیزی
خانوادهBayesian methodsBayesian methods
سال پیدایش19841991
پدیدآورStuart Geman and Donald GemanBesag, York & Mollie (CAR prior, 1991); Gelfand & colleagues (Bayesian geostatistics, 1990s)
نوعMCMC sampling algorithm for spatial modelsBayesian hierarchical spatial model
منبع بنیادینGeman, 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
نام‌های دیگرGibbs sampler for spatial models, MRF Gibbs sampling, spatial MCMC via Gibbs, conditional field simulationBayesian spatial analysis, Bayesian geostatistics, spatial Bayesian modeling, Bayesian areal modeling
مرتبط42
خلاصهSpatial 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 Bayesian inference applies Bayesian hierarchical modeling to data indexed by geographic location. By placing structured spatial priors on location-specific random effects, the model borrows information from neighboring regions or nearby points, producing smooth, uncertainty-quantified maps of any spatially varying outcome — disease rates, pollution levels, species abundance, or environmental risk.
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ScholarGateمقایسهٔ روش‌ها: Spatial Gibbs Sampling · Spatial Bayesian Inference. بازیابی‌شده در 2026-06-15 از https://scholargate.app/fa/compare