A real-time multi-user face unlock system via fast sparse coding approximation.
I-Kuei ChenYi-Min TsaiJyh-Jing HwangLiang-Gee ChenPublished in: ICCE-Berlin (2012)
Keyphrases
- multi user
- sparse coding
- dictionary learning
- multi granularity
- sparse representation
- natural images
- image classification
- sparse approximation
- virtual environment
- virtual world
- linear combination
- augmented reality
- image representation
- generative model
- multiple users
- user interface
- single user
- sparse codes
- unsupervised learning
- object category recognition
- image patches
- signal processing
- feature space
- data sets
- virtual reality
- visual words
- face images
- higher order
- high dimensional
- object recognition
- multiscale
- learning algorithm