Wong Kok Sheik

Assoc Professor

Accepting PhD Students

PhD projects

(a) High dynamic range imaging - tone mapping (b) Coverless steganography (c) Data hiding in compressed contents - Versatile video coding, JPEG-XL, High Throughput JPEG 2000

20052021

Research activity per year

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Personal profile

Biography

KokSheik is an Associate Professor in the School of Information Technology Malaysia, Monash University Malaysia. He has published more than 50 journal articles and 90 conference papers. He was the recipient of the COMSTECH-TWAS Joint Research Grants funded by the Organisation of Islamic Cooperation. He was also an international partner to the H2020 grant IDENTITY (project 690907). 

He currently serves as the editor in chief for the APSIPA newsletter, an associate editor for the Journal of Information Security and Applications (JISA), as well as Signal. Dr. Wong served as a General Co-Chair of APSIPA ASC 2017. In 2019, he received the best paper award at the 18th International Workshop on Digital-forensics and Watermarking (IWDW 2019) for his work in data hiding in PDF. Recently in 2021, he has also been awarded the “Outstanding Reviewer Award” by IEEE Transactions on Multimedia, and the IEEE SPS Malaysia Research Excellence Award - Best Conference Paper Award 2021.

Research interests

Our research has been revolving around multimedia signal processing, focusing on designing the underlying content manipulation techniques to realize applications such as content watermarking, encryption, authentication, fingerprinting, to name a few. We coined the term “complete quality preservation” in data hiding, where not only the content appears to be the same before and after data hiding, the decoded values are also exactly the same, which departs from the conventional approaches where distortion is inevitable. We’ve also advanced the techniques in providing scalable carrier capacity while preserving quality. On the other hand, we investigate vulnerabilities of existing systems and design solutions to these identified problems. Our research now focuses on new media such as high dynamic range image and video, as well as non-traditional media such as PDF, encrypted content and network packet.

Supervision interests

I am interested to supervise Ph.D. and MPhil students in the area of:

- Multimedia security

- Security for untraditional content

- Using AI to solve security problems

Education/Academic qualification

Data hiding, Ph.D, Shinshu University

1 Apr 200631 Mar 2009

Award Date: 31 Mar 2009

Computer Science, Masters of Science, Utah State University

Award Date: 31 Dec 2006

Mathematics, Masters of Sciences, Utah State University

Award Date: 31 Jul 2004

Computational Mathematics, Bachelor of Science

Award Date: 31 May 2002

Research area keywords

  • Data hiding
  • Multimedia encryption
  • Joint encryption and data insertion (JEDI)
  • Untraditional content
  • multimedia security
  • watermarking

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