Novel multi-feature Bag-of-Words descriptor via subspace random projection for efficient human-action recognition.
Ana I. MaquedaArturo RuanoCarlos R. del-BlancoPablo CarballeiraFernando JaureguizarNarciso GarcíaPublished in: AVSS (2015)
Keyphrases
- action recognition
- bag of words
- random projections
- visual words
- human actions
- dimensionality reduction
- action classification
- human activities
- computer vision
- discriminative power
- low dimensional
- feature space
- principal component analysis
- text documents
- bag of features
- high dimensional
- high dimensional data
- image representation
- image classification
- sparse representation
- feature vectors
- high dimensionality
- feature extraction
- feature selection