In search of the optimal Walsh-Hadamard transform

@inproceedings{Johnson2000InSO,
  title={In search of the optimal Walsh-Hadamard transform},
  author={Jeremy R. Johnson and Markus P{\"u}schel},
  booktitle={ICASSP},
  year={2000}
}
This paper describes an approach to implementing and optimizing fast signal transforms. Algorithms for computing signal transforms are expressed by symbolic expressions, which can be automatically generated and translated into programs. Optimizing an implementation involves searching for the fastest program obtained from one of the possible expressions. In this paper we apply this methodology to the implementation of the Walsh-Hadamard transform. An environment, accessible from MATLAB, is… CONTINUE READING
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