Keynote SpeakerS

Ina Schieferdecker

Yanzhen Qu

Professor, Colorado Technical University (CTU), USA


Abstract: TBA

Yanzhen Qu is currently a Professor of Computer Science and the Dean of the College of Computer Science and Technology at Colorado Technical University (CTU), USA. Over the course of his 20+ years in industry, he has served as a senior or executive manager of product R&D and IT in several multinational corporations. He was also the chief system architect and director of development for several of the world’s first very large real-time commercial software systems. At Colorado Technical University, Dr. Qu has led his faculty to create several new degree programs, including cybersecurity and data science at both undergraduate and graduate levels, and has also supervised many doctoral students to conduct their research work effectively and to complete their dissertations on time. Just in recent five years he and his students have published several dozen scholarly papers, several of which have won top awards at various international conferences. He has also coached CTU’s student teams to win two finalist and one 1st place awards at The USA’s Annual National Security Innovation Competition from 2012 to 2014. As a senior member of IEEE, Dr. Qu has served as general, program, and session chair at various meetings, and has been invited as a keynote speaker at many IEEE, ACM, ASIS, and IFIP international conferences, symposiums, and workshops. He is also an editorial board member of several professional peer-reviewed CS and IT journals, and has been a visiting professor at over 30 international universities. Dr. Qu’s broad research interests include internet of things, cyber security, affective computing, e-learning technologies, software engineering, cloud computing, mobile computing, artificial intelligence, data mining, machine learning, and big data analytics. He received his B.Eng. in Electronic Engineering from Anhui University, China, M. Eng. in Electrical Engineering from Chinese Academy of Sciences, China, and Ph.D. in Computer Science from Concordia University, Canada.

Ina Schieferdecker

Chin-Chen Chang

Professor, Feng-Chia University, Taiwan

"Sharing Secret Message Using Meaningful Digital Images with Cheating Detection"

Abstract: Secret sharing is an important technique to ensure well protection of transmitted information by dividing a secret message into several shadows that are held among a set of participants. In this talk, I will introduce a novel secret sharing method using two meaningful digital images with cheating detection. It allows a dealer to share a secret message into two different meaningful images through the guidance of the turtle shell magic matrix. Then, after performing a permutation operation, two meaningful shadow images are generated and distributed to two participants. The secret message can be reconstructed only when both participants cooperate by releasing real shadow images. Honest participant in this method can easily detect whether the other participant is cheating via presenting a faked shadow. Experimental results show that this method ensures high quality of shadow images and good embedding capacity. The cheating detection process is also effective and very easy to implement.

Professor Chang has worked on many different topics in information security, cryptography, multimedia image processing and published several hundreds of papers in international conferences and journals and over 30 books. He was cited over 22800 times and has an h-factor of 71 according to Google Scholar. Several well-known concepts and algorithms were adopted in textbooks. He also worked with the National Science Council, Ministry of Technology, Ministry of Education, Ministry of Transportation, Ministry of Economic Affairs and other Government agencies on more than 100 projects and holds 17 patents, including one in US and two in China. Professor Chang served as Honorary Professor, Consulting Professor, Distinguished Professor, Guest Professor at over 50 academic institutions and received Distinguished Alumni Award's from his Alma Master's. He also served as Editor or Chair of several internal journals and conferences and had given almost a thousand invited talks at institutions including Chinese Academy of Sciences, Academia Sinica, Tokyo University, Kyoto University, National University of Singapore, Nanyang Technological University, The University of Hong Kong, National Taiwan University and Peking University. Professor Chang has mentored 56 PhD students and 177 master students, most of whom hold academic positions at major national or international universities. He has been the Editor-in-Chief of Information Education, a magazine that aims at providing educational materials for middle-school teachers in computer science. Professor Chang is a leader in the field of information security of Taiwan. He founded the Chinese Cryptography and Information Security Association, accelerating information security the application and development and consulting on the government policy. Professor Chang is also the recipient of several awards, including the Top Citation Award from Pattern Recognition Letters, Outstanding Scholar Award from Journal of Systems and Software, and Ten Outstanding Young Men Award of Taiwan. He was elected as a Fellow of IEEE and IET in 1998 for his contribution in the area of information security.

Shien-Kuei Liaw

Distinguished Professor, National Taiwan University of Science and Technology, Taiwan

"Investigation of Er/Yb Co-doped Fiber Lasers for Optical Communications"

Abstract: In this talk, I will review several types of single-longitudinal mode linear cavity, tunable fiber lasers. They operate either in C+L band or 1064 nm band. The linear-cavity fiber laser schemes and characteristics will be addressed and discussed. I will also introduce the wavelength tunable fiber laser design. The laser characteristics such as output, signal-to-noise ratio, linewidth, threshold pump power, pumping slope efficiency and side mode suppress ratio will be measured and be discussed. A methodology to increase the pumping slope efficiency will also be proposed. These fiber lasers may find potential applications in lightwave communication.

Shien-Kuei (Peter) Liaw received double PhD degrees from National Chiao-Tung University in photonics engineering and from National Taiwan University in mechanical engineering, respectively. He joined the Chunghua Telecommunication, Taiwan, in 1993. Since then, he has been working on optical communication and fiber based technologies. Prof. Liaw joined the department of Electronic Engineering, National Taiwan University of Science and Technology (NTUST) in 2000. He has ever been director of the Optoelectronics Research Center and the Technology Transfer Center, NTUST. He was a visiting researcher at Bellcore (now Telcordia), USA for six months in 1996 and a visiting Professor at University of Oxford, UK for three months in 2011. He owned six U.S. patents, and authored or coauthored for 250 journal articles and international conference presentations. He earned many domestic honors and international honors. He has been actively contributing for numerous conferences as conference chair, technical program chair, organizing committee chair, steering committee andkeynote speaker. He serves as an Associate Editor for Fiber and Integrated Optics. Currently, Prof. Liaw is a senior member of IEEE, OSA and SPIE. He is a distinguished Professor of National Taiwan University of Science and Technology (NTUST), Vice President of the Optical Society (OSA) Taiwan Chapter and Secretary-General of Taiwan Photonic Society. His research interests are in optical sensing, optical communication and reliability testing.


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