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Abstract: The implementation of the two-dimensional discrete cosine transform (2D DCT) through the multiple onedimensional (row-by-column approach) and the direct 2D DCT is studied. It is observed that the execution times on different computer architectures using one-dimensional (1D) algorithms vary significantly although some of the examined algorithms have the same computational complexity (additions and multiplications). The direct 2D DCT outperforms all row-by-column approaches. In addition, the... (Update)
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...memory is located offchip. A comparison of the proposed algorithm with the rowcolumn approach based on multiple 1D FCT s can be found in [7]. 3.Vector Radix Fast Cosine Pruning The above described DIS FCT algorithm exhibits a pruning property [4] i.e. only the N 0 xN 0 lowest...
.... quantization into the DCT computation and by using an efficient 80 multiply 8x8 DCT [36] We experimented with several vector radix DCTs [7] but found that the separable row column approach, though having asymptotically higher complexity, performed better in the 8x8 case...
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BibTeX entry: (Update)
C.A. Christopoulos, A.N. Skodras and J. Cornelis (1994): Comparative performance evaluation of algorithms for fast computation of the twodimensional DCT, Proc. of the IEEE Benelux & ProRISC Workshop on Circuits, Systems and Signal Processing, pp.75-79, Papendal, Arnhem (The Netherlands), March 1994. http://citeseer.ist.psu.edu/christopoulos94comparative.html More
@inproceedings{ christopoulos94comparative,
author = "C. Christopoulos and A. Skodras and J. Cornelis",
title = "Comparative performance evaluation of algorithms for fast computation of
the two-dimensional {DCT}",
booktitle = "Proc. of the IEEE Benelux & ProRISC Workshop on Circuits, Systems and Signal
Processing",
pages = "75--79,
address = "Papendal, Arnhem (The Netherlands)",
month = mar,
year = "1994",
url = "citeseer.ist.psu.edu/christopoulos94comparative.html" }
Citations (may not include all citations):22 A fast recursive algorithm for computing the discrete cosine.. (context) - Hou - 1987
11 A new two-dimensional fast cosine transform algorithm (context) - Chan, Ho - 1991
9 Fast discrete cosine transform pruning (context) - Skodras
4 Fast cosine transform based on the successive doubling metho.. (context) - Arguello, Zapata - 1990
3 An adaptive orthogonal transform for image data compression (context) - Philips - 1992
2 the computation of the fast cosine transform (context) - Christopoulos, Skodras - 1993
2 Specialized module for full-frame radiological image compres.. (context) - Ho, Huang - 1991
2 Efficient computation of the twodimensional fast cosine tran.. - Christopoulos, Bormans et al.
2 Recursive pruning of the 2-D DFT with 3-D signal processing .. (context) - Knudsen, Bruton - 1993
2 Effects of architecture implementation on DFT algorithm perf.. (context) - Mehalic, Rustan et al. - 1985
2 Discrete cosine transform coding of images (context) - Christopoulos, Philips et al. - 1993
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