Fast discrete cosine transform structure suitable for implementation with integer computation

Yeonsik Jeong; Imgeun Lee

doi:10.1117/1.1288123

1 October 2000 Fast discrete cosine transform structure suitable for implementation with integer computation

Yeonsik Jeong, Imgeun Lee

Optical Engineering, Vol. 39, Issue 10, (October 2000). https://doi.org/10.1117/1.1288123

The discrete cosine transform (DCT) has wide applications in speech and image coding. We propose a fast DCT scheme with the property of reduced multiplication stages and fewer additions and multiplications. The proposed algorithm is structured so that most multiplications are performed at the final stage, which reduces the propagation error that could occur in the integer computation.

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Yeonsik Jeong and Imgeun Lee "Fast discrete cosine transform structure suitable for implementation with integer computation," Optical Engineering 39(10), (1 October 2000). https://doi.org/10.1117/1.1288123

Published: 1 October 2000

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