Harris-SIFT Descriptor for Video Event Detection Based on a Machine Learning Approach.
Guillermo Cámara ChávezArnaldo de Albuquerque AraújoPublished in: ISM (2009)
Keyphrases
- video event detection
- sift descriptors
- affine invariant
- event detection
- object categorization
- visual words
- keypoints
- event recognition
- image matching
- bag of features
- discriminative power
- image features
- feature points
- affine transformation
- bag of words
- feature representation
- multiscale
- object recognition
- image classification
- activity recognition
- soccer video
- visual features
- similarity measure
- video sequences
- video analysis
- image search
- video surveillance
- computer vision