Feature selection using Principal Component Analysis for massive retweet detection.
Mohamed MorchidRichard DufourPierre-Michel BousquetGeorges LinarèsJuan-Manuel Torres-MorenoPublished in: Pattern Recognit. Lett. (2014)
Keyphrases
- principal component analysis
- feature selection
- dimensionality reduction
- feature extraction
- text categorization
- feature space
- detection algorithm
- automatic detection
- principal components
- object detection
- mutual information
- machine learning
- dimension reduction
- false positives
- natural language processing
- multi class
- support vector
- face images
- feature set
- feature selection algorithms
- model selection
- anomaly detection
- feature reduction
- covariance matrix
- discriminative features
- data sets
- linear discriminate analysis
- detection rate
- independent component analysis
- linear discriminant analysis
- detection method
- text classification
- classification accuracy
- face recognition
- image processing