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- W1799536401 abstract "This paper focuses on the ways of reducing the computational complexity involved in transforming the audio (1-D) and video (2-D) signals, to meet the growing need to include multimedia systems in real-time. In the first approach, computations involved in 1-D and 2-D discrete cosine transforms (DCT) are reduced considerably by eliminating some of the twiddle factors for any 1-D and 2-D signals. In the second approach, when the audio signal possesses 1-D reflection symmetry, a computational savings of 75% is obtained over the conventional 1-D algorithms. Similarly, when the 2-D signal possesses quadrantal symmetry, to compute 2-D DCT, a computational savings of 93.75% is obtained over the conventional algorithms." @default.
- W1799536401 created "2016-06-24" @default.
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- W1799536401 date "2002-11-19" @default.
- W1799536401 modified "2023-09-26" @default.
- W1799536401 title "Fast discrete cosine transform for 1-D and 2-D signals with and without symmetry" @default.
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- W1799536401 doi "https://doi.org/10.1109/pacrim.1995.519441" @default.
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