Similar images compression based on DCT pyramid multi-level low frequency template.
Sijin LiOscar C. AuRuobing ZouLin SunWei DaiPublished in: MMSP (2012)
Keyphrases
- low frequency
- image compression
- high frequency
- wavelet transform
- dct domain
- subband
- dct coefficients
- multiresolution
- frequency domain
- discrete cosine transform
- jpeg images
- multiscale
- input image
- compression ratio
- compression scheme
- spatial domain
- wavelet coefficients
- blocking artifacts
- compression algorithm
- filter bank
- template matching
- low and high frequency
- wavelet filters
- compressed images
- electromagnetic fields
- transform coefficients
- image coding
- low bit rate
- transform domain
- image representation
- original images
- data compression
- transform coding
- frequency band
- reconstructed image
- wavelet domain
- low pass
- bit rate
- high resolution
- discrete wavelet transform
- high frequency components
- image quality
- watermarked image
- high quality
- contourlet transform
- image processing