Hybrid WPT-BDCT transform for high-quality image compression.
Vikrant Singh ThakurShubhrata GuptaKavita ThakurPublished in: IET Image Process. (2017)
Keyphrases
- image compression
- discrete cosine transform
- high quality
- compressed images
- transform coding
- post processing
- vector quantization
- reconstructed image
- subband
- dct coefficients
- compression ratio
- wavelet transform
- higher quality
- low bit rate
- wavelet packet transform
- blocking artifacts
- compression algorithm
- dct domain
- coded images
- transform domain
- transform coefficients
- image quality
- wavelet packet
- lossless compression
- image processing
- projections onto convex sets
- bit allocation
- visual quality
- face recognition
- entropy coding
- computationally efficient
- image data
- image segmentation