West Orange, NJ, United States of America

Chengjun Liu

This inventor holds 2 USPTO granted patents. Top assignees: George Mason University, New Jersey Institute of Technology. Active years: 2004-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chengjun Liu. Retrieved from https://idiyas.com/inventor/chengjun-liu-qhz79e1y

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 137(Granted Patents)


Company Filing History:


Years Active: 2004-2007

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2 patents (USPTO):Explore Patents

Title: Innovations of Chengjun Liu in Face Detection Technology

Introduction

Chengjun Liu is a notable inventor based in West Orange, NJ, who has made significant contributions to the field of image processing and face detection technology. With a total of two patents to his name, Liu's work focuses on enhancing the accuracy and efficiency of face recognition systems.

Latest Patents

Liu's latest patents include a "Face detection method and apparatus," which introduces a new vector known as the discriminating feature analysis vector. This vector is utilized to represent images for analysis, processed using a Bayesian Classifier technique. The methodology offers a computationally efficient approach to detecting faces, achieving a relatively low probability of error and false detection rate. Another significant invention is the "Feature based classification," which discloses a method and system for determining the similarity between an image and at least one training sample. This invention features a novel Gabor Feature Classifier (GFC), primarily applied for face recognition. The GFC employs the Enhanced FLD Model (EFM) to analyze an augmented Gabor feature vector derived from the Gabor wavelet transformation of images.

Career Highlights

Throughout his career, Chengjun Liu has worked with esteemed institutions such as the New Jersey Institute of Technology and George Mason University. His expertise in image processing has positioned him as a valuable contributor to advancements in face detection technology.

Collaborations

One of Liu's notable collaborators is Harry Wechsler, with whom he has worked on various projects related to image analysis and recognition.

Conclusion

Chengjun Liu's innovative patents and contributions to face detection technology highlight his role as a significant figure in the field of image processing. His work continues to influence advancements in face recognition systems, showcasing the importance of innovation in technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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