Discrete Inverse $S$ Transform With Least Square Error in Time-Frequency Filters

@article{Pei2010DiscreteI,
  title={Discrete Inverse \$S\$ Transform With Least Square Error in Time-Frequency Filters},
  author={Soo-Chang Pei and Pai-Wei Wang},
  journal={IEEE Transactions on Signal Processing},
  year={2010},
  volume={58},
  pages={3557-3568}
}
The S transform is useful in time-frequency analysis. Many inverse S transform algorithms have been proposed with different filtering properties in the time-frequency spectrum. In this paper, the transformation matrices of the S transform and two novel least square inverse algorithms are proposed. The first one minimizes the global mean square error of the entire time-frequency spectrum, and the second one considers only the specific interesting time-frequency regions and is more flexible. The… CONTINUE READING
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