A DCT Approximation for Image Compression.
Renato J. CintraFábio M. BayerPublished in: IEEE Signal Process. Lett. (2011)
Keyphrases
- image compression
- discrete cosine transform
- vector quantization
- wavelet transform
- low bit rate
- compression algorithm
- compression scheme
- compressed images
- reconstructed image
- subband
- compression ratio
- dct coefficients
- karhunen loeve transform
- wavelet coding
- approximation methods
- compression standards
- entropy coding
- approximation algorithms
- error bounds
- bit allocation
- approximation error
- run length coding
- transform coding
- queueing networks
- blocking artifacts
- image coder
- dct domain
- lossless compression
- subband coding
- video sequences
- huffman coding
- closed form
- special case