Approximation of DCT without multiplication in JPEG.
Gregor RozinajAnton MarcekPublished in: ICECS (1996)
Keyphrases
- discrete cosine transform
- image compression
- dct coefficients
- dct domain
- jpeg images
- coded images
- low bit rate
- compressed images
- karhunen loeve transform
- compression standards
- compressed domain
- adaptive quantization
- discrete cosine transformation
- transform domain
- spatial domain
- post processing
- compression algorithm
- quantization table
- floating point
- image coding
- filter bank
- jpeg compression
- compression ratio
- image resizing
- human visual system
- run length coding
- multiscale
- compression scheme
- shape coding
- image processing
- jpeg xr
- digital watermark
- image coder
- frequency domain