Guang Hua Zhang

Title: Innovations by Guang Hua Zhang

Introduction

Guang Hua Zhang is an accomplished inventor based in Maple Shade, NJ (US). He has made significant contributions to the field of image processing, particularly in personal identification technologies. With a total of 2 patents to his name, Zhang's work focuses on enhancing the accuracy and efficiency of image analysis.

Latest Patents

Zhang's latest patents include a "Method of selecting the best enroll image for personal identification." This method describes a process for selecting an enrollment image from multiple close-up images of a subject, such as a human eye. The selected image is the one that best represents the subject's appearance to an image processing system, which identifies subjects by comparing later images to the selected image. Another notable patent is the "Method of measuring the focus of close-up images of eyes." This method determines whether an image of an eye is in focus by selecting a set of pixels along a line passing through the pupil/iris boundary. Statistical values are computed for the iris and pupil pixels, and if the average gradient value indicates that the image is in focus, it can be used for iris identification techniques.

Career Highlights

Zhang is currently employed at Sensar, Inc., where he continues to innovate in the field of image processing. His work has been instrumental in developing technologies that improve personal identification systems.

Collaborations

Zhang collaborates with Marcos Salganicoff, contributing to advancements in their shared field of expertise.

Conclusion

Guang Hua Zhang's innovative patents and contributions to image processing demonstrate his commitment to enhancing personal identification technologies. His work continues to influence the industry and pave the way for future advancements.