VC-PWQ: Vibrotactile Signal Compression based on Perceptual Wavelet Quantization.
Andreas NollLars NockenbergBasak GülecyüzEckehard G. SteinbachPublished in: WHC (2021)
Keyphrases
- uniform quantization
- quantization noise
- wavelet packet
- transform coding
- matching pursuit
- quantization scheme
- compression scheme
- original signal
- wavelet image coding
- image compression
- bits per pixel
- wavelet analysis
- transform coefficients
- energy compaction
- soft threshold
- wavelet transform
- image coding
- image coder
- biorthogonal wavelet
- wavelet coefficients
- subband
- signal processing
- perceptual quality
- quantization error
- wavelet filters
- video signals
- high frequency
- entropy coding
- denoising
- compression ratio
- filter bank
- wavelet compression
- wavelet tree
- efficient compression
- compression algorithm
- locally adaptive
- lifting scheme
- lossy image compression
- scalar quantization
- basis functions
- successive approximation
- frequency domain
- data compression
- wavelet domain
- mexican hat
- multiscale
- low frequency
- bit rate
- bit allocation
- transform domain
- vector quantization
- bandpass
- lossy compression
- high signal to noise ratio
- image fidelity
- vibration signal
- visual quality
- power spectrum
- multiresolution