Ching-Han Chou

Title: Ching-Han Chou: Innovator in Anti-Spoofing and Sound Localization Technologies

Introduction

Ching-Han Chou is a notable inventor based in Tainan, Taiwan. He has made significant contributions to the fields of anti-spoofing authentication systems and sound source localization systems. With a total of 2 patents, his work is recognized for its innovative approach to enhancing security and audio technology.

Latest Patents

Chou's latest patents include an anti-spoofing authentication system and a sound source localization system. The anti-spoofing authentication system features an image capture device that converts light into an image signal, a microphone for sound wave conversion, and a face detection device that identifies human faces. This system also incorporates a voice activity detection device and an anti-spoofing device that detects spoofing attacks based on lip features and human voice detection.

The sound source localization system consists of a microphone array that converts sound waves into voice signals. It includes a room shape estimator that determines the room's shape and outputs a reliability score. A lookup table pre-stores location maps and corresponding voice feature maps, while a localizer determines the sound source's location based on room reliability and voice feature similarity.

Career Highlights

Ching-Han Chou is currently employed at Himax Technologies, Inc., where he continues to develop innovative technologies. His work has positioned him as a key player in the advancement of audio and security systems.

Collaborations

Chou collaborates with talented individuals such as Ti-Wen Tang and Tzu-Hsu Chen, who contribute to his projects and enhance the innovation process.

Conclusion

Ching-Han Chou's contributions to technology through his patents reflect his commitment to innovation in security and audio systems. His work continues to influence the industry and pave the way for future advancements.