Image retrieval based on energy histograms of the low frequency DCT coefficients.
Jose A. LayLing GuanPublished in: ICASSP (1999)
Keyphrases
- dct coefficients
- low frequency
- low frequency coefficients
- image retrieval
- high frequency
- dct domain
- generalized gaussian density
- frequency domain
- wavelet transform
- jpeg compression
- color histogram
- subband
- discrete wavelet transform
- discrete cosine transform
- wavelet coefficients
- frequency band
- transform domain
- original images
- compressed domain
- multiscale
- blocking artifacts
- image representation
- visual features
- feature vectors
- low pass
- machine learning
- computer vision
- multimedia
- high quality
- visual quality
- feature space
- image compression
- high resolution