Dimensionality reduction of Fisher vectors for human action recognition.
Venkata Ramana Murthy OrugantiRoland GoeckePublished in: IET Comput. Vis. (2016)
Keyphrases
- fisher vectors
- dimensionality reduction
- image classification
- person re identification
- visual classification
- metric learning
- feature extraction
- action recognition
- bag of features
- low dimensional
- principal component analysis
- high dimensional
- high dimensional data
- unsupervised learning
- feature space
- manifold learning
- data points
- visual recognition
- feature selection
- pattern recognition
- preprocessing step
- linear discriminant analysis
- principal components
- euclidean distance
- bag of words
- sparse representation
- image representation
- dimensionality reduction methods
- nonlinear dimensionality reduction
- distance metric learning
- sparse coding
- multiple features
- locality preserving projections
- text classification
- support vector machine
- face recognition