Noise estimation using a constrained sequential HMM IN log-spectral domain.
Dongwen YingXugang LuJunfeng LiYonghong YanJianwu DangFrank K. SoongPublished in: ICASSP (2012)
Keyphrases
- noise estimation
- spectral domain
- frequency domain
- hidden markov models
- noise level
- spatial domain
- denoising
- noisy images
- optical coherence tomography
- additive noise
- spectral analysis
- edge detection
- speech recognition
- image denoising
- image processing
- speech signal
- filter responses
- denoising methods
- retinal images
- higher order
- computationally efficient