Efficient Sparse Clustering of High-Dimensional Non-spherical Gaussian Mixtures.
Martin AzizyanAarti SinghLarry A. WassermanPublished in: AISTATS (2015)
Keyphrases
- high dimensional
- gaussian mixture
- sparse data
- clustering algorithm
- high dimensional data
- data points
- unsupervised learning
- dimensionality reduction
- mixtures of gaussians
- em algorithm
- low dimensional
- nearest neighbor
- similarity search
- sparse coding
- density estimation
- covariance matrices
- computer vision
- mixture model
- k means
- outlier detection
- gaussian mixture model
- multiscale
- information retrieval