Enhancement of Compressed Images by Optimal Shift-Invariant Wavelet Packet Basis.
Dong WeiAlan C. BovikPublished in: J. Vis. Commun. Image Represent. (1998)
Keyphrases
- shift invariant
- wavelet packet transform
- compressed images
- wavelet packet
- wavelet domain
- wavelet coefficients
- subband
- image compression
- wavelet transform
- denoising
- rotation invariant
- discrete wavelet transform
- filter bank
- visual quality
- sparse coding
- image enhancement
- multiscale
- high frequency
- discrete cosine transform
- compression ratio
- object recognition
- edge preserving
- wavelet decomposition
- compressed domain
- image denoising
- noise reduction
- bitstream
- feature selection
- texture features
- frequency domain
- face recognition