A Target Guided Subband Filter for Acoustic Event Detection in Noisy Environments Using Wavelet Packets.
Zuren FengQing ZhouJun ZhangPing JiangXue-Wen YangPublished in: IEEE ACM Trans. Audio Speech Lang. Process. (2015)
Keyphrases
- event detection
- subband
- wavelet packet
- noisy environments
- noise reduction
- filter bank
- perfect reconstruction
- wavelet transform
- image compression
- wavelet coefficients
- multiresolution
- bit rate
- wavelet decomposition
- feature vectors
- high frequency
- frequency domain
- wavelet packet decomposition
- wavelet domain
- speech recognition
- dual tree
- discrete wavelet transform
- low frequency
- edge preserving
- image coding
- low pass
- edge detection
- denoising
- speech signal
- wavelet filters
- lifting scheme
- frequency band
- multiscale
- compactly supported
- automatic speech recognition
- motion estimation
- linear prediction
- image classification