Gaussian Mixture Model based Convolutional Sparse Coding for Radar Heartbeat Detection.
Jingwei LiuJ. Andrew ZhangRichard XuAndre PearceWei NiMark HedleyPublished in: ICSPCS (2020)
Keyphrases
- sparse coding
- gaussian mixture
- dictionary learning
- natural images
- sparse representation
- linear combination
- image patches
- unsupervised learning
- generative model
- image classification
- em algorithm
- image representation
- expectation maximization
- mixture model
- gaussian mixture model
- closed form
- covariance matrix
- signal processing
- object detection
- probability density function
- feature space
- supervised learning
- visual words
- low resolution
- higher order
- data sets
- high quality
- face recognition
- clustering algorithm