Covariance Estimation From Compressive Data Partitions Using a Projected Gradient-Based Algorithm.
Jonathan MonsalveJuan Marcos RamirezIñaki EsnaolaHenry ArguelloPublished in: IEEE Trans. Image Process. (2022)
Keyphrases
- noisy data
- data sets
- input data
- data analysis
- k means
- estimation algorithm
- computational complexity
- data reduction
- optimization algorithm
- training data
- estimation accuracy
- dimensional data
- synthetic datasets
- matching algorithm
- data collection
- image data
- preprocessing
- cost function
- np hard
- data points
- probabilistic model
- objective function
- learning algorithm
- data structure
- dynamic programming
- detection algorithm
- information loss
- database
- data distribution
- raw data
- similarity measure
- spectral clustering
- prior information
- synthetic data
- clustering method
- segmentation algorithm
- expectation maximization
- computational cost
- worst case
- knowledge discovery