نتایج جستجو برای: importance sampling
تعداد نتایج: 590784 فیلتر نتایج به سال:
In this paper, we propose a particle filtering approach for tracking applications in image sequences. The system we propose combines a measurement equation and a dynamic equation which both depend on the image sequence. Taking into account several possible observations, the likelihood is modeled as a linear combination of Gaussian laws. Such a model allows inferring an analytic expression of th...
We consider lifted importance sampling (LIS), a previously proposed approximate inference algorithm for statistical relational learning (SRL) models. LIS achieves substantial variance reduction over conventional by using various lifting rules that take advantage of the symmetry in representation. However, it suffers from two drawbacks. First, does not some important symmetries representation an...
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