Keyphrases
- visual information
- frequency domain
- spatial domain
- fourier transform
- visual features
- cross correlation
- directional filtering
- low level
- power spectrum
- visual content
- textual information
- visual cues
- denoising
- visual data
- human visual system
- subband
- image processing
- eye movements
- fourier analysis
- high level
- spectrum analysis
- audio visual
- feature extraction
- visual quality
- fast fourier transform
- power spectra
- image database
- multiscale