Hang Yu

Title: Innovations of Hang Yu in Corneal Parameter Measurement

Introduction

Hang Yu is an accomplished inventor based in Wenzhou, China. He has made significant contributions to the field of ophthalmology through his innovative patents. With a total of two patents to his name, his work focuses on improving the accuracy and efficiency of corneal parameter measurements.

Latest Patents

Hang Yu's latest patents include a "Calibration method and device of system for measuring corneal parameters." This invention addresses the geometric distortion caused by the camera shooting angle when measuring cornea-related parameters using a digital slit lamp. The method involves placing a calibration block on a stand, shining light perpendicularly, and photographing to obtain the four corners of a cross-section. By restoring the position of a real image using a ray tracing method, the invention corrects geometric distortion and ensures accurate measurements.

Another notable patent is the "Method for processing pupil tracking images." This method enhances image processing efficiency by acquiring multiple eye images and determining pupil positioning. It employs a line drawing method in collaboration with a support vector machine to accurately position the pupil edge. The use of a weighted least square method allows for the fitting of a circle or ellipse, enabling real-time tracking and analysis of the pupil under complex backgrounds.

Career Highlights

Hang Yu is affiliated with Wenzhou Medical University, where he continues to advance research in ophthalmic technologies. His innovative approaches have garnered attention in the medical community, contributing to improved patient outcomes in eye care.

Collaborations

He collaborates with notable colleagues, including Hao Chen and Jinhai Huang, who share his commitment to advancing ophthalmic research and technology.

Conclusion

Hang Yu's contributions to the field of ophthalmology through his innovative patents demonstrate his dedication to improving corneal measurement techniques. His work not only enhances the accuracy of eye examinations but also paves the way for future advancements in the field.