helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can side-channel sensing technology extend the sensing capabilities of existing smart devices?UIST '24Extending the Senses of Ubiquitous Devices
Direction: Sensing, Recognition, and Security
WiFi, RF, and Radar Contactless Activity Sensing
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28
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2024
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28 items
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
Can low-cost, low-power hardware add-on modules meet users' personalized needs?UIST '24Extending the Senses of Ubiquitous Devices
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can smart devices' data collection and user interaction capabilities be improved without changing core hardware design?UIST '24Extending the Senses of Ubiquitous Devices
lightbulbPractical problemWiFi, RF, and Radar Contactless Activity Sensing
Built-in sensors in smart devices have limited functionality and struggle to meet personalized needs.UIST '24Extending the Senses of Ubiquitous Devices
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can distributed acoustic sensing (in-car speakers and microphones) detect child presence in vehicles?helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can existing acoustic signal processing and path combination techniques optimize weak signal detection (e.g., breathing) to cover blind spots?helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How does distributed acoustic detection perform in dynamic occlusion scenarios (e.g., rear-facing seats or blanket coverage)?lightbulbPractical problemWiFi, RF, and Radar Contactless Activity Sensing
Children left in vehicles face heatstroke and safety risks.helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can multi-device WiFi activity sensing monitor users' sleep states and duration?helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
Can multi-device WiFi monitoring achieve sleep prediction accuracy comparable to wearables without changing user behavior?helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can machine learning methods process noise in WiFi monitoring data and enhance prediction system reliability?lightbulbPractical problemWiFi, RF, and Radar Contactless Activity Sensing
Users have difficulty relying on wearables for long-term sleep monitoring, and existing WiFi-based detection has low accuracy.helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can cross-modal knowledge transfer improve efficiency of RF sensing for human activity recognition?UbiComp '23RF-CM: Cross-Modal Framework for RF-enabled Few-Shot Human Activity Recognition
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
Can soft probability distribution labels generated from WiFi effectively guide millimeter-wave radar human activity recognition?UbiComp '23RF-CM: Cross-Modal Framework for RF-enabled Few-Shot Human Activity Recognition
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can the RF-CM framework achieve efficient activity recognition performance with only a few training samples?UbiComp '23RF-CM: Cross-Modal Framework for RF-enabled Few-Shot Human Activity Recognition
lightbulbPractical problemWiFi, RF, and Radar Contactless Activity Sensing
Existing RF sensing activity recognition systems depend on large-scale data labeling and cannot efficiently transfer models.UbiComp '23RF-CM: Cross-Modal Framework for RF-enabled Few-Shot Human Activity Recognition
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can signal diversity in Wi-Fi be leveraged to extend sensing range for human motion and respiration monitoring?UbiComp '22DiverSense: Maximizing Wi-Fi Sensing Range Leveraging Signal Diversity
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can signal alignment algorithms improve signal quality and sensing accuracy in multi-obstacle environments?UbiComp '22DiverSense: Maximizing Wi-Fi Sensing Range Leveraging Signal Diversity
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
What specific advantages does fully exploiting spatiotemporal-frequency signal diversity offer over existing optimization algorithms?UbiComp '22DiverSense: Maximizing Wi-Fi Sensing Range Leveraging Signal Diversity
lightbulbPractical problemWiFi, RF, and Radar Contactless Activity Sensing
Limited Wi-Fi sensing range hinders practical applications in motion monitoring and robot interaction.UbiComp '22DiverSense: Maximizing Wi-Fi Sensing Range Leveraging Signal Diversity
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can IMU data achieve cross-modal domain adaptation for millimeter-wave radar in human activity recognition?UbiComp '21IMU2Doppler: Cross-Modal Domain Adaptation for Doppler-based Activity Recognition Using IMU Data
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How does domain distribution difference between IMU and millimeter-wave radar data affect transfer learning effectiveness?UbiComp '21IMU2Doppler: Cross-Modal Domain Adaptation for Doppler-based Activity Recognition Using IMU Data
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
Can cross-modal domain adaptation significantly reduce the labeled data required for millimeter-wave radar activity recognition?UbiComp '21IMU2Doppler: Cross-Modal Domain Adaptation for Doppler-based Activity Recognition Using IMU Data
lightbulbPractical problemWiFi, RF, and Radar Contactless Activity Sensing
Millimeter-wave radar activity recognition is difficult to scale due to lack of labeled data.UbiComp '21IMU2Doppler: Cross-Modal Domain Adaptation for Doppler-based Activity Recognition Using IMU Data
helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
How can Doppler radar signals similar to real data be synthesized from ordinary video for privacy-preserving activity recognition training?helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
Can synthetic Doppler radar data achieve performance close to training on purely real data in activity recognition tasks?helpResearch questionWiFi, RF, and Radar Contactless Activity Sensing
Can combining synthetic data with a small amount of real data further improve recognition accuracy?lightbulbPractical problemWiFi, RF, and Radar Contactless Activity Sensing
Privacy-sensitive users cannot protect personal data through existing activity recognition technologies.Related papers
UbiComp 2024
Embracing Distributed Acoustic Sensing in Car Cabin for Children Presence Detection
Yuqi Su, Fusang Zhang, Kai Niu
UbiComp 2023
SleepMore: Inferring Sleep Duration at Scale via Multi-Device WiFi Sensing
Camellia Zakaria, Gizem Yilmaz, Priyanka Mary Mammen
CHI 2021
Vid2Doppler: Synthesizing Doppler Radar Data from Videos for Training Privacy-Preserving Activity Recognition
Karan Ahuja, Yue Jiang, Mayank Goel
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