Liang Zhao

Title: Innovations of Inventor Liang Zhao

Introduction

Liang Zhao is a prominent inventor based in Hubei, China. He has made significant contributions to the field of non-contact identity recognition and fatigue detection technologies. With a total of three patents to his name, Zhao's work showcases his innovative approach to solving complex problems.

Latest Patents

One of Liang Zhao's latest patents is a millimeter-wave (mmWave) radar-based non-contact identity recognition method and system. This method involves emitting an mmWave radar signal to a user and receiving an echo signal reflected from the user. The process includes clutter suppression and echo selection, extracting a heartbeat signal, and comparing the beat features of the user with those of a standard user group. This technology offers high reliability and flexibility in identity recognition.

Another notable patent is a non-contact fatigue detection system and method based on rPPG. This system utilizes multi-thread synchronous communication for real-time acquisition and processing of rPPG signals. It effectively detects fatigue status by capturing and analyzing rPPG data while eliminating interference from environmental noise. The adaptive multi-stage filtering process enhances the signal-to-noise ratio, ensuring accurate detection of respiration and heart rate.

Career Highlights

Liang Zhao is affiliated with Central China Normal University, where he continues to advance his research and innovations. His work has garnered attention for its practical applications in security and health monitoring.

Collaborations

Zhao collaborates with notable colleagues, including Zongkai Yang and Sannyuya Liu, contributing to the advancement of technology in their respective fields.

Conclusion

Liang Zhao's innovative patents in non-contact identity recognition and fatigue detection highlight his significant contributions to technology. His work not only enhances security measures but also improves health monitoring systems.