Sparse coding and Gaussian modeling of coefficients average for background subtraction.
Ciprian DavidVasile GuiPublished in: ISPA (2013)
Keyphrases
- background subtraction
- sparse coding
- linear combination
- gaussian mixture model
- sparse representation
- natural images
- reconstruction error
- foreground objects
- moving objects
- video surveillance
- object detection
- image classification
- generative model
- subspace learning
- image sequences
- background model
- discriminative power
- unsupervised learning
- high dimensional
- image representation
- human detection
- visual words
- appearance model
- feature space
- object recognition
- post processing
- mixture model
- data sets
- image patches
- em algorithm
- expectation maximization
- image retrieval
- video sequences
- image processing
- computer vision
- machine learning