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- W4283760916 abstract "For indoor settings, we investigate the impact of location on the spectral distribution of the received light, i.e., the intensity of light for different wavelengths. Our investigations confirm that even under the same light source, different locations exhibit slightly different spectral distribution due to reflections from their localised environment containing different materials or colours. By exploiting this observation, we propose Spectral-Loc, a novel indoor localization system that uses light spectral information to identify the location of the device. With spectral sensors finding their way in latest products and applications, such as white balancing in smartphone photography, Spectral-Loc can be readily deployed without requiring any additional hardware or infrastructure. We prototype Spectral-Loc using a commercial-off-the-shelf light spectral sensor, AS7265x, which can measure light intensity over 18 different wavelength sub-bands. We benchmark the localisation accuracy of Spectral-Loc against the conventional light intensity sensors that provide only a single intensity value. Our evaluations over two different indoor spaces, a meeting room and a large office space, demonstrate that use of light spectral information significantly reduces the localization error for the different percentiles." @default.
- W4283760916 created "2022-07-02" @default.
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- W4283760916 date "2022-06-29" @default.
- W4283760916 modified "2023-09-26" @default.
- W4283760916 title "Spectral-Loc: Indoor Localization using Light Spectral Information" @default.
- W4283760916 doi "https://doi.org/10.48550/arxiv.2206.14401" @default.
- W4283760916 hasPublicationYear "2022" @default.
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