Image compression in quasi-two-dimensional spectrum with quantizing of high-frequency component.
Aleksey Y. GromovDenis S. StepanovElena P. KorolevaAlexander S. BastrychkinPublished in: MECO (2018)
Keyphrases
- high frequency
- image compression
- subband
- wavelet transform
- low frequency
- visual quality
- subband decomposition
- wavelet coefficients
- vector quantization
- filter bank
- high resolution
- discrete wavelet transform
- compression algorithm
- multiresolution
- wavelet decomposition
- compression scheme
- low bit rate
- compressed images
- high frequencies
- wavelet domain
- compression ratio
- image processing
- image coding
- reconstructed image
- low pass
- discrete cosine transform
- multiscale
- feature extraction
- frequency domain
- feature vectors
- bit allocation
- high frequency components
- multi resolution analysis
- feature selection