Joowon Kim

Title: Joowon Kim and Visual Cryptography for Text

Introduction

Joowon Kim is an inventor based in Washington, DC, whose work includes a patent for visual cryptography. The invention explores how text can remain readable to a person while being difficult to recover from a photograph or video.

Latest Patents

Kim’s listed patent, “Visual Cryptography for Text Using Layers,” describes techniques that manipulate image pixels to create multiple visual layers. When the layers are displayed successively and rapidly, a person can perceive the target text within an obscured image. However, captured images or video do not contain enough information to make the text legible. Kim is listed with 1 patent.

Career Highlights

Kim is associated with Blinkly, Inc. The patent reflects an approach to protecting text from straightforward capture while preserving its readability during direct viewing.

Collaborations

Kim’s listed coworker is Reechik Chatterjee. The available information identifies their workplace connection but does not specify their roles in the patent or any particular collaboration.

Conclusion

Joowon Kim’s patented visual cryptography technique uses rapidly displayed layers to make text readable to viewers while obscuring it in captured images and video.