A Diffusion-Based EM Algorithm for Distributed Estimation in Unreliable Sensor Networks.
Silvana Silva PereiraRoberto López-ValcarceAlba Pagès-ZamoraPublished in: IEEE Signal Process. Lett. (2013)
Keyphrases
- sensor networks
- em algorithm
- maximum likelihood estimation
- communication cost
- mobile sensor networks
- parameter estimation
- expectation maximization
- log likelihood function
- mixture model
- maximum likelihood
- sensor data
- wireless sensor networks
- camera network
- gaussian mixture model
- mobile sensor
- density estimation
- resource constrained
- sensor nodes
- energy efficient
- generative model
- update equations
- underwater acoustic
- energy consumption
- distributed systems
- reduce communication cost
- environmental monitoring
- likelihood function
- maximum likelihood estimates
- data streams
- expectation maximisation
- data aggregation
- gaussian mixture
- log likelihood
- incomplete data
- communication bandwidth
- mixture modeling
- maximum a posteriori
- model based clustering
- probability density function
- penalized likelihood
- visual sensor networks
- low complexity
- sensor web
- image processing