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Authors: Myounghwan Choi 1 ; Jeong-Yeol Ahn 2 ; Dae-Jin Park 2 ; Yujin Jeong 1 ; Sangyeol Lee 1 ; Sanghyub Lee 1 ; Dong-il Cho 3 ; Yong-Sook Goo 2 and Kyo-in Koo 1

Affiliations: 1 University of Ulsan, Korea, Republic of ; 2 Chungbuk National University, Korea, Republic of ; 3 Seoul National University, Korea, Republic of

ISBN: 978-989-758-195-3

ISSN: 2184-2817

Keyword(s): Retinal Ganglion Cell (RGC), Adaptive Forward-Reverse Filter, Interpolation Method, Artifact Suppression, and Receiver Operating Characteristics (ROC).

Related Ontology Subjects/Areas/Topics: Detection and Estimation ; Digital Signal Processing ; Telecommunications

Abstract: Electrical stimulation on retinal ganglion cells (RGCs) induce the short-latency (directly-evoked) and long-latency (indirectly-evoked) responses of RGCs. The artifact suppression and isolation of direct RGC spike is required for proper analysis of visual information. Adaptive forward-reverse filter (FR filter) using interpolation method is proposed and evaluated. On selected over 1.6 ms waves, which is suspected as artifact, 2 new data points are linearly interpolated between the recorded data points. After that, the interpolated data are filtered by frequency-based FR filter (500 Hz). The proposed algorithm shows the best true positive rate (0.7629) comparing with the SALPA and the simple FR filter without the interpolation method. In point of view of the false positive rate, the proposed algorithm demonstrates the second-best performance (0.0047), not better than the SALPA (0.0006).

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Paper citation in several formats:
Choi, M.; Ahn, J.; Park, D.; Jeong, Y.; Lee, S.; Lee, S.; Cho, D.; Goo, Y. and Koo, K. (2016). Adaptive Forward-Reverse Filter using Interpolation Methods for Artifact Suppression in Retinal Prostheses.In Proceedings of the 6th International Joint Conference on Pervasive and Embedded Computing and Communication Systems - Volume 1: SPCS, (PECCS 2016) ISBN 978-989-758-195-3, ISSN 2184-2817, pages 105-109. DOI: 10.5220/0005944001050109

@conference{spcs16,
author={Myounghwan Choi. and Jeong{-}Yeol Ahn. and Dae{-}Jin Park. and Yujin Jeong. and Sangyeol Lee. and Sanghyub Lee. and Dong{-}il Cho. and Yong{-}Sook Goo. and Kyo{-}in Koo.},
title={Adaptive Forward-Reverse Filter using Interpolation Methods for Artifact Suppression in Retinal Prostheses},
booktitle={Proceedings of the 6th International Joint Conference on Pervasive and Embedded Computing and Communication Systems - Volume 1: SPCS, (PECCS 2016)},
year={2016},
pages={105-109},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005944001050109},
isbn={978-989-758-195-3},
}

TY - CONF

JO - Proceedings of the 6th International Joint Conference on Pervasive and Embedded Computing and Communication Systems - Volume 1: SPCS, (PECCS 2016)
TI - Adaptive Forward-Reverse Filter using Interpolation Methods for Artifact Suppression in Retinal Prostheses
SN - 978-989-758-195-3
AU - Choi, M.
AU - Ahn, J.
AU - Park, D.
AU - Jeong, Y.
AU - Lee, S.
AU - Lee, S.
AU - Cho, D.
AU - Goo, Y.
AU - Koo, K.
PY - 2016
SP - 105
EP - 109
DO - 10.5220/0005944001050109

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