Won-Sik Cheong

This inventor holds 22 USPTO granted patents and 17 published patent applications, plus 3 CIPO patents and 1 EPO patent, primarily in Image Encoding Technology. Top assignees: Electronics and Telecommunications Research Institute, Digicaps Co., Ltd., Kohwang Foundation. Active years: 2008-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Won-Sik Cheong. Retrieved from https://idiyas.com/inventor/won-sik-cheong-2ih068cg

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

USPTO Granted Patents = 22 (Patent Applications = 17)

% Patents Active = 72.7

CIPO Patents = 3

EPO Patents = 1 (Patent Applications = 2)

Average Co-Inventor Count = 6.8

ph-index = 3

Forward Citations = 30(Granted Patents)

Location History:

Taejeon, KR (2008 - 2013)
Daejon, KR (2011 - 2014)
Daejeon, KR (2014 - 2024)

Company Filing History:

22 out of 11,777

Electronics and Telecommunications Research Institute

Korea Educational Broadcasting System

patent

5. 1 out of 20

Korean Broadcasting System

patents

6. 1 out of 2

Munhwa Broadcasting Corporation

Seoul Broadcasting System Co., Ltd.

patent

9. 8 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 2008-2024

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Areas of Expertise:

Image Encoding

Virtual Viewpoint

Water Ring Encoding

Broadcasting Control

Segmentation Map

Digital Contents

Video Sequences

Personal Use Authentication

Synchronized Layer Packets

Encoding/Decoding

Reference Image Block

Quality Factor

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12003719 - Method, apparatus and storage medium for image encoding/decoding using segmentation map (2024-06-04),

2. 11276142 - Apparatus and method for synthesizing virtual viewpoint images (2022-03-15),

3. 9143798 - Apparatus for coding or decoding intra image based on line information of reference image block (2015-09-22),

4. 8929445 - Apparatus for coding or decoding intra image based on line information of reference image block (2015-01-06),

5. 8923398 - Apparatus for coding or decoding intra image based on line information of reference image block (2014-12-30),

6. 8923397 - Apparatus for coding or decoding intra image based on line information of reference image block (2014-12-30),

7. 8923396 - Apparatus for coding or decoding intra image based on line information of reference image block (2014-12-30),

8. 8750505 - Apparatus and method for controlling conversion of broadcasting program based on program protection information (2014-06-10),

9. 8699570 - Apparatus for coding or decoding intra image based on line information of reference image block (2014-04-15),

10. 8630413 - Digital contents reproducing terminal and method for supporting digital contents transmission/reception between terminals according to personal use scope (2014-01-14),

11. 8495376 - Apparatus and method for controlling use of broadcasting program using signature in program information (2013-07-23),

12. 8472477 - SAF synchronization layer packet structure and server system therefor (2013-06-25),

13. 8407483 - Apparatus and method for authenticating personal use of contents by using portable storage (2013-03-26),

14. 8406310 - Water ring encoding method (2013-03-26),

15. 8184719 - Water ring decoding method (2012-05-22),

Title: **The Innovative Mind of Won-Sik Cheong**

Introduction

Won-Sik Cheong, a prominent inventor from Daejeon, South Korea, has made significant contributions to the fields of image processing and virtual reality. With an impressive portfolio of 22 patents, Cheong's innovations reflect his dedication to advancing technology and enhancing the experience of visual media.

Latest Patents

Among his latest patents, one noteworthy invention is the "Method, apparatus and storage medium for image encoding/decoding using segmentation map." This patent details a sophisticated approach to image encoding and decoding that utilizes a segmentation map to extract a feature vector of the image. The technology involves encoding an image with both the segmentation map and the feature vector, allowing for a comprehensive output stream comprising video and feature streams.

Another significant patent is the "Apparatus and method for synthesizing virtual viewpoint images." This invention includes an apparatus designed to synthesize virtual viewpoint images by receiving multiple viewpoint images from various cameras. The method involves back-projecting these images into a three-dimensional (3D) world coordinate system and generating warped images through triangular warping. Ultimately, the process leads to a synthesized virtual viewpoint image by blending these warped images, showcasing Cheong's innovative skills in enhancing visual technologies.

Career Highlights

Cheong has established a remarkable career at the Electronics and Telecommunications Research Institute, where he has contributed to various projects that bridge the gap between technology and practical applications. His expertise in image processing and virtual environment synthesis reflects his passion for innovation in telecommunications and digital media.

Collaborations

Throughout his career, Cheong has collaborated with esteemed colleagues such as Gwang-Hoon Park and Yoon-Jin Lee. Their joint efforts have propelled advancements in their fields, leading to multiple breakthroughs and patents that continue to shape modern technology.

Conclusion

Won-Sik Cheong's work exemplifies the spirit of innovation, with his patents pushing the boundaries of how we interact with images and virtual environments. As he continues to explore new frontiers, his contributions will undoubtedly influence the future of technology and inspire the next generation of inventors.

Profile summary based on public USPTO records.