Chih-Wei Liu

Title: Innovations of Chih-Wei Liu in Liveness Detection Technology

Introduction

Chih-Wei Liu is an innovative inventor based in Taipei, Taiwan. He has made significant contributions to the field of liveness detection technology. His work focuses on developing devices that can accurately determine whether a subject is a living body without the need for complex systems.

Latest Patents

Chih-Wei Liu holds a patent for a device and method for liveness detection. This device features a simple structure that primarily consists of a light sensing unit and a signal processing module. The signal processing module includes a physiological feature extracting unit and a liveness detecting unit. The physiological feature extracting unit is designed to extract a first physiological feature from a PPG signal or a second physiological feature from a processed PPG signal. By utilizing these features, the liveness detecting unit can effectively ascertain if a subject is alive. This innovative device does not rely on any camera unit or iPPG technology, which results in advantages such as a simple structure, low cost, and immediate liveness detection.

Career Highlights

Chih-Wei Liu is currently employed at Faceheart Inc., where he continues to advance his research and development in liveness detection technology. His work has positioned him as a notable figure in the industry, contributing to the enhancement of security and biometric systems.

Collaborations

Chih-Wei Liu collaborates with talented individuals such as Bing-Jhang Wu and Po-Wei Huang. Their combined expertise fosters an environment of innovation and creativity, leading to the development of cutting-edge technologies.

Conclusion

Chih-Wei Liu's contributions to liveness detection technology exemplify the impact of innovative thinking in the field. His patent and ongoing work at Faceheart Inc. highlight the importance of simplicity and efficiency in technological advancements.