Keyphrases
- discrete cosine transform
- image compression
- dct coefficients
- lossless compression
- transform domain
- compression ratio
- blocking artifacts
- compression algorithm
- compressed images
- dct domain
- jpeg images
- wavelet transform
- low bit rate
- lapped transforms
- lossy compression
- filter bank
- reconstructed image
- subband
- image blocks
- image processing
- fast fourier transform
- image coding
- computational complexity
- discrete fourier transform
- computer vision