Analyzing Dynamical Brain Functional Connectivity as Trajectories on Space of Covariance Matrices.
Mengyu DaiZhengwu ZhangAnuj SrivastavaPublished in: IEEE Trans. Medical Imaging (2020)
Keyphrases
- functional connectivity
- covariance matrices
- covariance matrix
- vector space
- brain connectivity
- maximum likelihood
- distance measure
- riemannian metric
- working memory
- gaussian mixture model
- gaussian distribution
- functional magnetic resonance imaging
- diffusion tensor imaging
- multi channel
- gaussian mixture
- resting state fmri
- spatial structure
- human brain
- similarity measure
- computer vision
- linear classifiers
- low dimensional
- data mining