Camera sensor-based contamination detection for water environment monitoring
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Water environment monitoring is of great importance to human health, ecosystem sustainability, and water transport. Unlike traditional water quality monitoring problems, this paper focuses on visual perception of water environment. We first introduce the development of a customized aquatic sensor node equipped with an embedded camera sensor. Based on this platform, we present an efficient and holistic contamination detection approach, which can automatically adapt to the detection of floating debris in dynamic waters or the identification of salient regions in static waters. Our approach is specifically designed based on compressed sensing theory to give full consideration to the unique challenges in water environment and the resource constraints on sensor nodes. Both laboratory and field experiments demonstrate the proposed method can fast and accurately detect various types of water pollutants and is a better choice for camera sensor-based water environment monitoring compared with other methods.
KeywordsEnvironmental monitoring Camera sensor Contamination detection Compressed sensing
This work was supported in part by the National Natural Science Foundation of China under Grant No. 61771436.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no competing interests.
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