A novel single channel speech enhancement algorithm based on sparse representation and dictionary learning.
Yinan LiHaijia WuLi ZengXiongwei ZhangJibin YangPublished in: WCSP (2013)
Keyphrases
- sparse representation
- dictionary learning
- speech enhancement
- single channel
- sparse coding
- test images
- noise reduction
- multi channel
- wiener filter
- noisy environments
- face recognition
- signal to noise ratio
- image classification
- signal processing
- image representation
- expectation maximization
- sparse representation based classification
- prior information
- synthetic and real images
- brain activity
- speech signal
- image patches
- frequency domain
- non stationary
- image restoration
- denoising
- feature vectors
- similarity measure
- feature extraction