Taipei, Taiwan

Hong-Chang Chang

This inventor holds 1 USPTO granted patent. Top assignee: Corel Tw Corp.. Active years: 2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hong-Chang Chang. Retrieved from https://idiyas.com/inventor/hong-chang-chang

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

Calculating rank

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2008

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1 patent (USPTO):Explore Patents

Title: Innovations of Hong-Chang Chang in Video Stabilization

Introduction

Hong-Chang Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of video technology, particularly in video stabilization methods. His innovative approach has led to the development of a patented technique that enhances the quality of video recordings.

Latest Patents

Hong-Chang Chang holds a patent for a video stabilization method. This method involves calculating optical flows between successive frames to estimate camera motion. The computed optical flow field is fitted to a simplified affine motion model using a trimmed least square method. To reduce motion vibrations, the computed camera motions are smoothed through a regularization method. Finally, all frames of the video are transformed based on the original and smoothed motions to achieve a stabilized video.

Career Highlights

He is currently employed at Corel Tw Corp., where he continues to work on advancements in video technology. His expertise in this area has positioned him as a valuable asset to his company and the industry.

Collaborations

Hong-Chang Chang has collaborated with notable colleagues, including Kuang-Rong Lu and Shang-Hong Lai. Their combined efforts contribute to the ongoing development of innovative solutions in video stabilization.

Conclusion

Hong-Chang Chang's work in video stabilization exemplifies the impact of innovative thinking in technology. His patented method not only enhances video quality but also showcases the importance of collaboration in achieving technological advancements.

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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