Yingjian Song@UGA

Work Experience:

• Signal Processing & ML Engineer (Intern),    Nocturnal.Inc,    Cambridge, MA,  Feb, 2025-Now

  • Developed algorithms for the eye mask:

    • Developed a real-time eye movement detection algorithm  on chip

    • Developed a real-time body movement detection algorithm  on chip 

    • Developed a real-time heart rate algorithm  on chip 

    • Developed a real-time HRV analysis algorithm  on chip 

    • Developed a real-time SPO2 algorithm  on chip 

    • Developed a real-time edge tap detection algorithm  on chip

    • Developed a real-time mask orientation tracking algorithm

Research Interest:

• Smart Sensing on Human

• Sensor Data Analysis

• Deep learning and Signal Processing

• IoT, Ubiquitous Computing

Resume:

• CV-Yingjian Song 

Publication (First Author):

Published: 

•  Multi-Granularity Supervised Contrastive Learning with Online Adaptation for Contactless In-Bed Posture Classification

Yingjian Song, Haotian Xiang, Zixuan Zeng, Jiayu Chen, Yida Zhang, Zaid Farooq Pitafi, He Yang, Qin Lu, Xiang Zhang, Bradley G. Phillips, Fei Dou, WenZhan Song.

ACM IMWUT/UbiComp, 2025

• Self-Supervised Representation Learning and Temporal-Spectral Feature Fusion for Bed Occupancy Detection

Yingjian Song, Zaid Farooq Pitafi, Fei Dou, Jin Sun, Xiang Zhang, WenZhan Song

ACM IMWUT/UbiComp, 2024.

• Engagement-Free and Contactless Bed Occupancy and Vital Signs Monitoring

Yingjian Song, Bingnan Li, Dan Luo, Zaipeng Xie, Bradley G Phillips, Yuan Ke, Wenzhan Song

IEEE Internet of Things Journal (IoTJ), 2023

• Real-Time Continuous Blood Pressure Estimation with Contact-Free Bedseismogram

Yingjian Song, Bingnan Li, Dan Luo, Glenna S Brewster Glasgow, Bradley G Phillips, Yuan Ke, Wenzhan Song

ICC 2024-IEEE International Conference on Communications

Under Review:

• Attention Feature Fusion with Cluster Contrastive Learning for Snoring and Breath-Holding Detection Using Seismic Sensing 

Yingjian Song, Jiayu Chen, Yida Zhang, Zixuan Zeng, Zaid Farooq Pitafi, Bradley G.\ Phillips, Xiang Zhang, Wenzhan Song. 

(Submitted to Percom 2025)

• SeatVitals: Self-Supervised Representation Learning for Contactless Vital Signs Estimation in Office Environments 

Yingjian Song, Jiayu Chen, Yida Zhang, Zixuan Zeng, Zaid Farooq Pitafi, Bradley G.Phillips, Xiang Zhang, Qin Lu, Fei Dou, Wenzhan Song. 

(Submitted to ICASSP 2025)

• Contactless Sleep Apnea Detection via Under-bed Seismic Sensing 

Yingjian Song, Jiayu Chen, Yida Zhang, Zixuan Zeng, Zaid Farooq Pitafi, Bradley G.\ Phillips, Xiang Zhang, Fei Dou, Wenzhan Song. 

(Submitted to IMWUT/Ubicomp)