Combined DCT-Haar transforms for image compression.
Issam DagherMireille SalibaRachelle FarahPublished in: Int. J. Imaging Syst. Technol. (2018)
Keyphrases
- image compression
- discrete cosine transform
- vector quantization
- wavelet transform
- compression scheme
- transform coding
- low bit rate
- energy compaction
- lapped transforms
- subband
- discrete cosine
- compressed images
- compression ratio
- reconstructed image
- compression algorithm
- discrete fourier transform
- wavelet decomposition
- wavelet coefficients
- dct coefficients
- bit allocation
- compression standards
- discrete cosine transformation
- wavelet filters
- wavelet coding
- karhunen loeve transform
- lossless compression
- lossy compression
- progressive transmission