Donghahk Lee

This inventor holds 7 USPTO granted patents and 4 EPO patents. Top assignees: Sk Telecom Company, Ltd., Korea University Research and Business Foundation. Active years: 2011-2016.

USPTO Granted Patents = 7

% Patents Active = 28.6

EPO Patents = 4 (Patent Applications = 2)

Average Co-Inventor Count = 5.4

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

Seongnam-si, KR (2011 - 2013)
Seoul, KR (2011 - 2016)

Company Filing History:

7 out of 1,080

Sk Telecom Company, Ltd.

patents

1 out of 1,262

Korea University Research and Business Foundation

patents

where one patent can have more than one assignee

Years Active: 2011-2016

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9336577 - Image processing apparatus for removing haze contained in still image and method thereof (2016-05-10),

2. 9275443 - Image-processing apparatus for removing haze contained in video, and method therefof (2016-03-01),

3. 8606241 - Method and system for ring back tone alternative service based on terminal and mobile communication terminal therefor (2013-12-10),

4. 8103254 - Method and system for providing multimedia ring back tone service by using receiver-side switching center (2012-01-24),

5. 8085906 - Method, system and apparatus for providing alternative multimedia ring back tone substitute service by using intelligent network (2011-12-27),

6. 8059564 - Method and system for terminal codec setup of multimedia ring back tone service (2011-11-15),

7. 8009627 - Method and system for providing interworking with portable internet network and other kinds of networks (2011-08-30),

Title: Innovations by Donghahk Lee

Introduction

Donghahk Lee is a notable inventor based in Seongnam-si, South Korea. He has made significant contributions to the field of image processing, holding a total of 7 patents. His work focuses on developing advanced technologies for enhancing image quality.

Latest Patents

One of his latest patents is an "Image processing apparatus for removing haze contained in still image and method thereof." This invention includes a haze brightness measurer, a transmission estimator, and an image reconstructor. The haze brightness measurer is designed to measure haze brightness in the image. The transmission estimator calculates a blockwise transmission based on a final cost function value derived from contrast and image loss. The image reconstructor generates a reconstructed image using the haze brightness and pixelwise transmission. Another significant patent is the "Image-processing apparatus for removing haze contained in video, and method thereof." This apparatus also features a haze brightness measurer, a transmission estimator, and an image reconstructor, specifically tailored for video content.

Career Highlights

Donghahk Lee has worked with prominent organizations such as SK Telecom Company, Ltd. and Korea University Research and Business Foundation. His experience in these companies has contributed to his expertise in image processing technologies.

Collaborations

Throughout his career, Donghahk Lee has collaborated with notable colleagues, including Seongsoo Park and Daesic Woo. Their joint efforts have further advanced the field of image processing.

Conclusion

Donghahk Lee's innovative work in image processing has led to the development of several patents that enhance image quality by effectively removing haze. His contributions are significant in the realm of technology and continue to influence advancements in this field.