Qingfeng Yu

Title: Innovations by Inventor Qingfeng Yu

Introduction

Qingfeng Yu, based in Belmont, MA, is a prominent inventor with a noteworthy contribution to the field of image processing technology. With a total of four patents under his name, his work primarily focuses on the selection and recognition of images from video feeds, showcasing his expertise in innovative technological solutions.

Latest Patents

One of Qingfeng Yu's latest patents is titled "Image selection and recognition processing from a video feed." This system efficiently selects image frames from a video stream for the purpose of recognizing various objects, such as physical items and text characters. It employs robust historical metrics to analyze and compare the quality of individual frames based on parameters including focus, motion, and intensity. The system ensures that only high-quality frames, suitable for object recognition tasks, are selected.

Another significant patent is "Sharpness-based frame selection for OCR." This invention addresses the challenges of optical character recognition (OCR) by selecting video frames based on metrics related to blur and sharpness. The device captures video frames containing text characters, applies edge detection filters to evaluate gradient features, and creates an edge map to identify sharp edges. It subsequently analyzes edge transition widths to differentiate between sharp and blurry images, enhancing the accuracy of text processing.

Career Highlights

Qingfeng Yu currently works at Amazon Technologies, Inc., where he continues to push the boundaries of technological innovation. His role at this leading tech company allows him to collaborate on cutting-edge projects that maximize the potential of image processing technologies.

Collaborations

Throughout his career, Qingfeng Yu has had the opportunity to collaborate with talented colleagues, including Yue Liu and Xing Liu. These collaborations have contributed to the development of innovative solutions and have further enriched the technological landscape within his field of expertise.

Conclusion

Qingfeng Yu's inventive spirit and dedication to technological advancement are exemplified through his patents and collaborative efforts. His contributions to image selection and recognition are not only innovative but also impactful, paving the way for further advancements in this critical area of technology.