Adaptive Noise Reduction for Sound Event Detection Using Subband-Weighted NMF.
Qing ZhouZuren FengEmmanouil BenetosPublished in: Sensors (2019)
Keyphrases
- event detection
- noise reduction
- subband
- filter bank
- image compression
- multiresolution
- wavelet transform
- edge preserving
- signal to noise ratio
- locally adaptive
- high frequency
- feature vectors
- bit rate
- wavelet coefficients
- edge detection
- video surveillance
- discrete wavelet transform
- wavelet decomposition
- video analysis
- wavelet domain
- frequency domain
- median filter
- low pass
- activity recognition
- linear prediction
- reconstruction error
- wavelet packet
- image coding
- lossless compression
- denoising algorithm
- pairwise
- high pass