A DWT-based Deblocking Technique Based on Edge Detection and Zero Masking for Reducing Blocking Effect.
Chwei-Shyong TsaiChin-Chen ChangPublished in: Fundam. Informaticae (2003)
Keyphrases
- blocking effect
- visual quality
- edge detection
- compressed images
- human visual system
- low bit rate
- high frequency
- blocking artifacts
- reconstructed image
- discrete wavelet transform
- image quality
- decoded image
- discrete cosine transform
- image compression
- low frequency
- wavelet domain
- bit rate
- quantization noise
- image processing
- multiscale
- subband
- post processing
- noisy images
- dct domain
- multiresolution
- wavelet transform
- video compression
- coded images
- peak signal to noise ratio
- quantization error
- compression ratio
- image reconstruction
- reconstruction error
- spatial resolution
- filter bank
- wavelet coefficients
- error concealment
- visual information
- bitstream
- compression algorithm