Approximation of calculations for forward discrete cosine transform

IEEE Transactions on Circuits and Systems for Video Technology

Volumn 8, Issue 3, 1998, Pages 264-268

  Pao, I Ming ^a   Sun, Ming Ting ^a  

^a University of Washington   (United States)

Author keywords

Computation reduction; Discrete cosine transform (DCT); Peak signal to noise ratio (PSNR)

Indexed keywords

APPROXIMATION THEORY; MATHEMATICAL TRANSFORMATIONS; SIGNAL TO NOISE RATIO; STANDARDS; VECTOR QUANTIZATION;

DISCRETE COSINE TRANSFORM (DCT); MOTION PICTURE EXPERT GROUP (MPEG) STANDARDS;

IMAGE CODING;

EID: 0032096064     PISSN: 10518215     EISSN: None     Source Type: Journal    
DOI: 10.1109/76.678620     Document Type: Article

References (6)

1. Z. Wang, "Pruning the fast discrete cosine transform," IEEE Trans. Commun., vol. 39, pp. 640-643, May 1991.
2. C. A. Christopoulos, J. Bormans, J. Cornelis, and A. N. Skodras, "The vector-radix fast cosine transform: Pruning and complexity analysis," Signal Process., vol. 43, pp. 197-205, May 1995.
3. N. I. Cho and S. U. Lee, "Fast algorithm and implementation of 2-D discrete cosine transform," IEEE Trans. Circuits Syst., vol. 38, pp. 297-305, Mar. 1991.
4. W. Chen, C. H. Smith, and S. C. Fralick, "A fast computational algorithm for the discrete cosine transform," IEEE Trans. Commun., vol. COM-25, pp. 1004-1009, Sept. 1977.
5. A. Skodras, "Fast discrete cosine transform pruning," IEEE Trans. Signal Processing, vol. 42, pp. 1833-1837, July 1994.
6. ITU-T/SG-15, Video codec test model, TMN5, Jan. 1995.