2019
DOI: 10.1016/j.buildenv.2019.106280
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Cross-source sensing data fusion for building occupancy prediction with adaptive lasso feature filtering

Abstract: Fusing various sensing data sources is able to improve the accuracy and reliability of building occupancy detection. Efficiently fusing environmental sensors and wireless network signals is seldom studied for its computational and technical challenges. This study aims to propose an integrated model that is able to extract critical data features for environmental and Wi-Fi probe dual sensing sources to promote computational efficiency. The adaptive lasso model was introduced for the feature extraction and reduc… Show more

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Cited by 30 publications
(20 citation statements)
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“…As shown in Table 1, camera-based sensors and PIR (Passive Infra-Red) sensors present the best accuracy levels, followed by CO 2 sensors, but they are also affected by detecting and privacy issues [9], such as the Hawthorne effect for camera-based sensors. It mainly causes alterations of behavior when users are aware of being observed and, if ignored, can affect the reliability of collected data [26].…”
Section: Occupancy Detection: Analysis Of Occupancy Monitoring Systemsmentioning
confidence: 99%
See 1 more Smart Citation
“…As shown in Table 1, camera-based sensors and PIR (Passive Infra-Red) sensors present the best accuracy levels, followed by CO 2 sensors, but they are also affected by detecting and privacy issues [9], such as the Hawthorne effect for camera-based sensors. It mainly causes alterations of behavior when users are aware of being observed and, if ignored, can affect the reliability of collected data [26].…”
Section: Occupancy Detection: Analysis Of Occupancy Monitoring Systemsmentioning
confidence: 99%
“…Occupancy strongly influences use and cleanness of spaces, which in turn are related to well-being, satisfaction, and productivity of users [5,6]. In recent years, a consistent number of studies investigated the segment of the performance gap between expected energy consumptions, defined during the design phase, and actual consumptions, due to human-building interaction and variable occupancy [6][7][8][9][10][11][12][13][14][15][16][17]. However, other promising fields in building management include security, safety, cleanness, and space management.…”
Section: Introductionmentioning
confidence: 99%
“…A recent research uses the WiFi technology to detect and predict building occupancy [182,183]. A fusion-based approach that combines cross-source data related to CO2 concentration, temperature, and Wi-Fi signal indicator is used for building occupancy analysis [184].…”
Section: Occupant Behaviour Modelingmentioning
confidence: 99%
“…To date, the use of sensors as a part of POEs to monitor existing buildings have been mostly focused on analyzing energy performances and consumptions and indoor environmental quality (IEQ) (Costa et al 2015, Delzendeh et al 2017, Yan et al 2017, Saralegui et al 2018, Demian et al 2018, Rogage et al 2019, Wang et al 2019a, Wang et al 2019b. Recently, applications of sensors to detect occupancy flows have been explored, mainly referring to building energy consumption analyses and predictive models (Diraco et al 2015, Yan et al 2017, Saralegui et al 2018, Rouleau et al 2019, Wang et al 2019b, as presented in Table 1.…”
Section: The Use Of Sensors To Monitor Occupancymentioning
confidence: 99%
“…One of the main strategies implies the combination of more sensors to detect occupancy (Wang et al 2019b). The first advantage is the possibility of installing only a few new sensors and reuse some of existing PIR sensors linked to security detection systems or Wi-Fi connections.…”
Section: The Use Of Sensors To Monitor Occupancymentioning
confidence: 99%