Simplification of Rip Current Detection by Image Averaging Based on the Number of Wave Breaks

According to a National Police Agency report, there were 1,392 water accidents in 2023, with 368 victims (dead or missing) in the sea, mainly due to rip currents.Detecting rip currents is crucial, and past studies have used image averaging, often relying on fixed-point cameras or lengthy videos, making it difficult for individuals to apply.This study proposes using smartphone videos, with durations adjusted by the number of wave breaks, to enable easier rip current detection.To test this, smartphone footage was recorded at Hitotsuba Surf Point in Miyazaki Prefecture for analysis.

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Publication Details

Journal
Proceedings of International Conference on Artificial Life and Robotics
Published
2025-02-13
DOI
https://doi.org/10.5954/icarob.2025.os23-1
Primary Topic
Non-Destructive Testing Techniques
Type
article
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article

Simplification of Rip Current Detection by Image Averaging Based on the Number of Wave Breaks

Kaoru Ohe, Kenji Aoki, Amane Takei, Makoto Sakamoto et al.
Proceedings of International Conference on Artificial Life and Robotics
Non-Destructive Testing Techniques
article

Simplification of Rip Current Detection by Image Averaging Based on the Number of Wave Breaks

Kaoru Ohe, Kenji Aoki, Amane Takei, Makoto Sakamoto, Ota Hamasuna, Akihiro Kudo, Satoshi Ikeda, Leona Kimura
article en

Abstract

According to a National Police Agency report, there were 1,392 water accidents in 2023, with 368 victims (dead or missing) in the sea, mainly due to rip currents.Detecting rip currents is crucial, and past studies have used image averaging, often relying on fixed-point cameras or lengthy videos, making it difficult for individuals to apply.This study proposes using smartphone videos, with durations adjusted by the number of wave breaks, to enable easier rip current detection.To test this, smartphone footage was recorded at Hitotsuba Surf Point in Miyazaki Prefecture for analysis.

Proceedings of International Conference on Artificial Life and RoboticsVol. 30
University of Miyazaki (JP)
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Non-Destructive Testing Techniques
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Simplification of Rip Current Detection by Image Averaging Based on the Number of Wave Breaks — Kaoru Ohe, Kenji Aoki, et al. · Proceedings of International Conference on Artificial Life and Robotics (2025) | TGRS Research Map | TGRS