Subband Adaptive Image Deblocking Using Wavelet Based Convolutional Neural Networks.
Zhanyuan QiCheolkon JungBinghua XiePublished in: IEEE Access (2021)
Keyphrases
- subband
- wavelet subbands
- locally adaptive
- wavelet decomposition
- wavelet transform
- subband decomposition
- wavelet transform coefficients
- multiresolution
- image compression
- filter bank
- low frequency
- contourlet transform
- wavelet domain
- multiscale
- wavelet coefficients
- image coding scheme
- directional information
- reconstruction error
- image coder
- discrete wavelet transform
- transform coefficients
- image data
- high pass
- bit rate
- high frequency
- wavelet coding
- frequency domain
- image segmentation
- wavelet packet
- convolutional neural networks
- frequency band
- feature vectors
- input image
- high resolution
- energy compaction
- discrete cosine transform
- subband coding
- perfect reconstruction
- blocking artifacts
- denoising methods
- post processing
- low pass
- transform domain
- generalized gaussian distribution