. 2020 Aug 11;8:151650–151667. doi: 10.1109/ACCESS.2020.3015736
This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/
This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/
FIGURE 2.
Adapted Back-to-front Method.