@article{Ito25,
author = {F. Ito and C. Tsutake and K. Takahashi and T. Fujii},
title = {Fast sign retrieval via sub-band convolution: An elementary extension of binary classification},
journal = {ITE Trans. Media Tech. and Appl.},
volume = {13},
number = {3},
pages = {242--249},
year = {2025}
}