Inspec keywords: medical signal processing; signal restoration; discrete wavelet transforms; correlation theory; filtering theory; interference suppression; electrocardiography; matrix algebra; AWGN

Other keywords: muscle noise; ECG signal denoising method; signal restoration; additive white Gaussian noise; wireless recording; power line interference; baseline wander; correlation matrix; nonlocal wavelet transform domain filtering; electrocardiogram signal denoising; natural signals; AWGN removal; 2D discrete wavelet transform coefficients

Subjects: Electromagnetic compatibility and interference; Linear algebra (numerical analysis); Integral transforms in numerical analysis; Electrodiagnostics and other electrical measurement techniques; Biology and medical computing; Bioelectric signals; Integral transforms in numerical analysis; Linear algebra (numerical analysis); Electrical activity in neurophysiological processes; Filtering methods in signal processing; Digital signal processing