Exploiting Tunable Q-Factor Wavelet Transform Domain Sparsity to Denoise Wrist PPG Signals.
Shresth GuptaAnurag SinghAbhishek SharmaRajesh Kumar TripathyPublished in: IEEE Trans. Instrum. Meas. (2023)
Keyphrases
- transform domain
- denoising algorithm
- denoising
- spatial domain
- heart rate
- independent component analysis
- haar transform
- denoising methods
- wavelet domain
- frequency domain
- orthogonal matching pursuit
- image denoising
- signal processing
- dct domain
- wavelet transform
- transform coefficients
- wavelet coefficients
- discrete cosine transform
- compressive sampling
- block dct
- image processing
- multiscale
- spread spectrum
- hadamard transform
- noisy images
- bit plane
- distributed video coding
- wavelet decomposition
- wyner ziv video coding
- robust watermarking scheme
- wavelet packet
- transform coding
- multiresolution
- stereo image coding
- macroblock
- wavelet filters
- sparse representation
- natural images
- image compression
- motion estimation