@INPROCEEDINGS {28290,
author={Pedro M. M. Pereira and P. Domingues and Nuno M. M.  Rodrigues and G. Falcão and S.M.M. Faria},
doi={10.1109/IPTA.2016.7820984},
booktitle={IPTA 2016 - 6th International Conference on Image Processing Theory, Tools and Applications IPTA'2016},
title={Optimized Fast Walsh-Hadamard Transform on OpenCL-GPU and OpenCL-CPU},
year={2016},
month={December},
volume={1},
pages={1-8 - https://doi.org/10.1109/IPTA.2016.7820984} 
}