Audio Event Detection Based on Cross Correlation in Selected Frequency Bands of Spectrogram.
Vahid HajihashemiAbdorreza Alavi GharahbaghJosé J. M. MachadoJoão Manuel R. S. TavaresPublished in: WorldCIST (4) (2023)
Keyphrases
- event detection
- cross correlation
- frequency band
- energy distribution
- frequency domain
- low frequency
- template matching
- soccer video
- subband
- mutual information
- video analysis
- video event detection
- event recognition
- high frequency
- multi band
- video surveillance
- activity recognition
- transfer function
- multimedia
- wavelet packet
- scan statistic
- audio visual
- speech signal
- visual information
- vector quantizer
- image enhancement
- filter bank
- edge detection
- sports video
- wavelet transform
- high resolution
- multiresolution
- radio frequency
- pattern recognition
- data structure
- feature extraction