Global discrete cosine transform for image compression.
F.-Z. N. NacerAnissa ZergaïnohAlain MérigotPublished in: ISSPA (2001)
Keyphrases
- discrete cosine transform
- image compression
- dct coefficients
- subband
- wavelet transform
- low bit rate
- blocking artifacts
- compressed images
- image blocks
- reconstructed image
- compression algorithm
- compression ratio
- image processing
- filter bank
- jpeg images
- coded images
- lossy compression
- discrete fourier transform
- lapped transforms
- dct domain
- high quality
- fast fourier transform
- lossless compression
- wavelet coefficients
- denoising
- computer vision
- transform coding
- hartley transform