Unified parallel lattice structures for time-recursive discrete cosine/sine/Hartley transforms

@article{Liu1993UnifiedPL,
  title={Unified parallel lattice structures for time-recursive discrete cosine/sine/Hartley transforms},
  author={K. J. Ray Liu and Ching-Te Chiu},
  journal={IEEE Trans. Signal Processing},
  year={1993},
  volume={41},
  pages={1357-1377}
}
The problems of unified efficient computations of the discrete cosine transform (DCT), discrete sine transform (DST), discrete Hartley transform (DHT), and their inverse transforms are considered. In particular, a new scheme employing the time-recursive approach to compute these transforms is presented. Using such approach, unified parallel lattice structures that can dually generate the DCT and DST simultaneously as well as the DHT are developed. These structures can obtain the transformed… CONTINUE READING
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