BriefGPT.xyz
Nov, 2014
具有随机结构均值场变分推理的Beta流程非负矩阵分解
Beta Process Non-negative Matrix Factorization with Stochastic Structured Mean-Field Variational Inference
HTML
PDF
Dawen Liang, Matthew D. Hoffman
TL;DR
本文从贝塔过程的角度,推导了一种针对具有Poisson分布似然函数的非负矩阵分解(NMF)模型的结构均场变分推理算法,并利用最近开发的随机结构均场变分推理方法来恢复潜在变量之间的依赖关系,并在合成和真实数据上进行了初步的实验验证。
Abstract
beta process
is the standard
nonparametric bayesian prior
for latent factor model. In this paper, we derive a mean-field variational inference algorithm for
→