Context-aware affective images classification based on bilayer sparse representation.
Bing LiWeihua XiongWeiming HuXinmiao DingPublished in: ACM Multimedia (2012)
Keyphrases
- context aware
- sparse representation
- image classification
- dictionary learning
- test images
- contextual information
- piecewise smooth
- ubiquitous computing
- context awareness
- image features
- sparse coding
- image data
- mobile devices
- input image
- sparse reconstruction
- ambient intelligence
- bag of words
- face recognition
- mobile users
- compressive sensing
- context aware systems
- context aware ubiquitous learning
- feature extraction
- ubiquitous learning
- image patches
- joint optimization
- dimensionality reduction
- image retrieval
- random projections
- neural network
- current context
- object recognition
- smart spaces
- high dimensional
- feature vectors
- unsupervised learning
- image representation
- human computer interaction
- training set
- signal processing
- context aware services
- pattern recognition
- high dimensional data