Methodology of wavelet packet selection for event detection.
Marwa ChendebMohamad KhalilJacques DuchênePublished in: Signal Process. (2006)
Keyphrases
- event detection
- wavelet packet
- video event detection
- denoising
- filter bank
- wavelet packet transform
- subband
- video surveillance
- event recognition
- activity recognition
- wavelet packet decomposition
- video analysis
- wavelet transform
- quadtree
- scan statistic
- high frequency
- frequency band
- high quality
- composite events
- frequency domain
- machine learning
- action recognition
- video data
- image classification
- wavelet decomposition
- feature vectors
- multiscale
- face recognition
- computer vision