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- research-articleSeptember 2024
Hypnos: A Contactless Sleep Stage Monitoring System Using UWB Signals
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 8, Issue 3Article No.: 114, Pages 1–27https://doi.org/10.1145/3678581As a fundamental physiological process, sleep plays a vital role in human health. High-quality sleep requires a reasonable distribution of sleep duration over different sleep stages. Recently, contactless solutions have been used for in-home sleep stage ...
- research-articleAugust 2024
Leveraging Attention-reinforced UWB Signals to Monitor Respiration during Sleep
ACM Transactions on Sensor Networks (TOSN), Volume 20, Issue 5Article No.: 108, Pages 1–28https://doi.org/10.1145/3680550The respiration state during overnight sleep is an important indicator of human health. However, existing contactless solutions for sleep respiration monitoring either perform in controlled environments and have low usability in practical scenarios or ...
- research-articleMay 2024
UWB-enabled Sensing for Fast and Effortless Blood Pressure Monitoring
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 8, Issue 2Article No.: 65, Pages 1–26https://doi.org/10.1145/3659617Blood Pressure (BP) is a critical vital sign to assess cardiovascular health. However, existing cuff-based and wearable-based BP measurement methods require direct contact between the user's skin and the device, resulting in poor user experience and ...
- research-articleMay 2024
Push the Limit of Highly Accurate Ranging on Commercial UWB Devices
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 8, Issue 2Article No.: 62, Pages 1–27https://doi.org/10.1145/3659602Ranging plays a crucial role in many wireless sensing applications. Among the wireless techniques employed for ranging, Ultra-Wideband (UWB) has received much attention due to its excellent performance and widespread integration into consumer-level ...
- research-articleFebruary 2024
Parallel vertex diffusion for unified visual grounding
AAAI'24/IAAI'24/EAAI'24: Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence and Thirty-Sixth Conference on Innovative Applications of Artificial Intelligence and Fourteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 148, Pages 1326–1334https://doi.org/10.1609/aaai.v38i2.27896Unified visual grounding (UVG) capitalizes on a wealth of task-related knowledge across various grounding tasks via one-shot training, which curtails retraining costs and task-specific architecture design efforts. Vertex generation-based UVG methods ...
- research-articleAugust 2023
WiCo: win-win cooperation of bottom-up and top-down referring image segmentation
IJCAI '23: Proceedings of the Thirty-Second International Joint Conference on Artificial IntelligenceArticle No.: 71, Pages 636–644https://doi.org/10.24963/ijcai.2023/71The top-down and bottom-up methods are two mainstreams of referring segmentation, while both methods have their own intrinsic weaknesses. Top-down methods are chiefly disturbed by Polar Negative (PN) errors owing to the lack of fine-grained cross-modal ...
- research-articleFebruary 2023
Modeling Fine-grained Information via Knowledge-aware Hierarchical Graph for Zero-shot Entity Retrieval
WSDM '23: Proceedings of the Sixteenth ACM International Conference on Web Search and Data MiningPages 1021–1029https://doi.org/10.1145/3539597.3570415Zero-shot entity retrieval, aiming to link mentions to candidate entities under the zero-shot setting, is vital for many tasks in Natural Language Processing. Most existing methods represent mentions/entities via the sentence embeddings of corresponding ...
- research-articleJanuary 2023
ECG-grained Cardiac Monitoring Using UWB Signals
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 6, Issue 4Article No.: 186, Pages 1–25https://doi.org/10.1145/3569503With the development of wireless sensing, researchers have proposed many contactless vital sign monitoring systems, which can be used to monitor respiration rates, heart rates, cardiac cycles and etc. However, these vital signs are ones of coarse ...
- short-paperOctober 2022
MCSCSet: A Specialist-annotated Dataset for Medical-domain Chinese Spelling Correction
- Wangjie Jiang,
- Zhihao Ye,
- Zijing Ou,
- Ruihui Zhao,
- Jianguang Zheng,
- Yi Liu,
- Bang Liu,
- Siheng Li,
- Yujiu Yang,
- Yefeng Zheng
CIKM '22: Proceedings of the 31st ACM International Conference on Information & Knowledge ManagementPages 4084–4088https://doi.org/10.1145/3511808.3557636Chinese Spelling Correction (CSC) is gaining increasing attention in recent years. Despite its extensive use in many applications, such as search engine and optical character recognition system, little has been explored in medical scenarios in which ...
- research-articleDecember 2021
Exploiting Passive Beamforming of Smart Speakers to Monitor Human Heartbeat in Real Time
2021 IEEE Global Communications Conference (GLOBECOM)Pages 1–6https://doi.org/10.1109/GLOBECOM46510.2021.9685922Currently, cardiac diseases have become one of the biggest health concerns. Existing heartbeat monitoring methods either require dedicated intrusive devices (e.g., ECG devices) that suffer high costs or leverage video camera analyses that are light-...