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- research-articleApril 2024
From lab to orchard use for models of hand-held NIRS instrument: A case for navel orange quality assessment considering ambient light correction
- Xudong Sun,
- Fulong Guo,
- Jiacheng Liu,
- Zhaoxing Chen,
- Waleed Fouad Abobatta,
- Muhammad Azher Nawaz,
- Shaoran Feng
Computers and Electronics in Agriculture (COEA), Volume 219, Issue Chttps://doi.org/10.1016/j.compag.2024.108797Highlights- EPO was recommended for sunlight correction.
- Results support use of hand-held NIRS with varying sunlight.
- Results support use of hand-held NIRS estimation of optimal harvest date.
The models for hand-held near infrared spectroscopy (NIRS) instrument calibrated in the laboratory are prone to failure during orchard application because of measurement conditions change especially on sunlight interference. The models transfer ...
- research-articleNovember 2023
Enlightening mode awareness: Guiding drivers in the transition between manual and automated driving modes via ambient light
- Alexander G. Mirnig,
- Magdalena Gärtner ,
- Vivien Wallner,
- Cansu Demir,
- Yasemin Dönmez Özkan,
- Jakub Sypniewski,
- Alexander Meschtscherjakov
Personal and Ubiquitous Computing (PUC), Volume 27, Issue 6Pages 2307–2320https://doi.org/10.1007/s00779-023-01781-6AbstractDriving an automated vehicle requires a clear understanding of its automation capabilities and resulting duties on the driver’s side. This is true across all levels of automation but especially so on SAE levels 3 and below, where the driver has an ...
- research-articleSeptember 2023
Iris: Passive Visible Light Positioning Using Light Spectral Information
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 7, Issue 3Article No.: 97, Pages 1–27https://doi.org/10.1145/3610913We propose a novel Visible Light Positioning (VLP) method, called Iris, that leverages light spectral information (LSI) to localize individuals in a completely passive manner. This means that the user does not need to carry any device, and the existing ...
- research-articleMarch 2023
Spectral-Loc: Indoor Localization Using Light Spectral Information
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 7, Issue 1Article No.: 37, Pages 1–26https://doi.org/10.1145/3580878For 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 ...
- research-articleSeptember 2022
An improved indoor pedestrian dead reckoning algorithm using ambient light and sensors
Multimedia Tools and Applications (MTAA), Volume 81, Issue 22Pages 32581–32592https://doi.org/10.1007/s11042-022-13072-yAbstractAiming at the problem of high cost and heavy preparation workload of indoor positioning technology, this paper proposes an ambient light-assisted smartphone-based pedestrian dead reckoning (PDR) indoor positioning technology. We propose a group ...
- ArticleSeptember 2019
Effect of Ambient Light on Mobile Interaction
- Zhanna Sarsenbayeva,
- Niels van Berkel,
- Weiwei Jiang,
- Danula Hettiachchi,
- Vassilis Kostakos,
- Jorge Goncalves
AbstractIn this work we investigate the effect of ambient light on performance during mobile interaction. We evaluate three conditions of ambient light – normal light, dimmed light, normal light while wearing sunglasses. Our results show that wearing ...
- ArticleSeptember 2019
Detecting and Influencing Driver Emotions Using Psycho-Physiological Sensors and Ambient Light
AbstractDriving is a sensitive task that is strongly affected by the driver’s emotions. Negative emotions, such as anger, can evidently lead to more driving errors. In this work, we introduce a concept of detecting and influencing driver emotions using ...
- research-articleMarch 2018
Gesture Recognition Using Ambient Light
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 2, Issue 1Article No.: 40, Pages 1–28https://doi.org/10.1145/3191772There is a growing interest in the scientific community to develop techniques for humans to communicate with the computing that is embedding into our environments. Researchers are already exploring ubiquitous modalities, such as radio frequency signals, ...