Toward Efficient and Accurate Covariance Matrix Estimation on Compressed Data.
Xixian ChenMichael R. LyuIrwin KingPublished in: ICML (2017)
Keyphrases
- vector space
- covariance matrices
- covariance matrix
- compressed data
- estimation error
- data compression
- feature vectors
- principal component analysis
- high quality
- geometrical interpretation
- raw data
- sample size
- post processing
- data cube
- data analysis
- data structure
- objective function
- compressed images
- training data
- correlation matrix
- databases