Compression of Steganographed PPG Signal With Guaranteed Reconstruction Quality Based on Optimum Truncation of Singular Values and ASCII Character Encoding.
Sourav Kumar MukhopadhyayM. Omair AhmadM. N. S. SwamyPublished in: IEEE Trans. Biomed. Eng. (2019)
Keyphrases
- reconstruction quality
- singular values
- singular value decomposition
- reconstruction error
- transform domain
- reconstructed image
- spatial resolution
- spatial domain
- frequency domain
- image compression
- image reconstruction
- high frequency
- compression ratio
- low rank
- multispectral
- fundamental matrix
- signal processing
- feature space
- image processing
- sparse representation
- post processing
- image quality