Fast recovery of non-negative sparse signals under heterogeneous noise.
Lei HuZemin WuLei ZhangChang TianPublished in: WCSP (2017)
Keyphrases
- low signal to noise ratio
- noisy data
- white noise
- positive and negative
- signal processing
- signal reconstruction
- signal to noise ratio
- random noise
- high dimensional
- biomedical signals
- signal detection
- short time fourier transform
- weak signal detection
- noise level
- additive noise
- sparse data
- noise model
- noisy environments
- statistically independent
- direct sequence spread spectrum
- input data
- sparse matrix
- compressive sensing
- low frequency
- sparse coding
- slowly varying
- independent component analysis
- sparse representation
- weak signal
- gaussian white noise
- image classification