Image enhancement via space-adaptive lifting scheme exploiting subband dependency.
Haci TasmazErgun ErçelebiPublished in: Digit. Signal Process. (2010)
Keyphrases
- image enhancement
- subband
- lifting scheme
- filter bank
- wavelet transform
- multiresolution
- image compression
- perfect reconstruction
- image processing
- discrete wavelet transform
- wavelet packet
- bit rate
- feature vectors
- wavelet coefficients
- wavelet filters
- frequency domain
- wavelet domain
- high frequency
- image coding
- wavelet decomposition
- edge detection
- image analysis
- histogram equalization
- low frequency
- frequency band
- low pass
- contrast enhancement
- lossy compression
- multiscale
- reconstruction error
- image coder
- lossless compression
- transfer function
- reconstructed image
- signal processing
- directional information
- video sequences
- feature extraction
- rate distortion
- shift invariant
- denoising
- visual quality
- feature selection
- computationally efficient