Keyphrases
- image database
- frequency domain
- image retrieval
- high resolution
- spatial domain
- remote sensing
- cross correlation
- image content
- image indexing
- retrieval process
- image data
- semantic information
- face recognition
- low level visual features
- content based retrieval
- fourier transform
- spatial information
- feature extraction
- image processing
- subband
- denoising
- video sequences
- high quality
- power spectrum
- retrieval precision
- spectrum analysis