Use the following pieces of context to answer the question at the end. 
If you don't know the answer, just say that you don't know, don't try to make up an answer.

Context:
posts, including the dean, the associate dean, the
department chair, the director of the research cen-
ter, and the head of the joint Ph.D. program.
He is also an IT consultant. He has more than
100 research papers in journals and conferences. His research interests
include intelligent systems, peer-to-peer systems, modeling and analysis,
database management systems, data mining, knowledge management, e-
learning, and bioinformatics.
WADOOD ABDUL (Member, IEEE) received
the Ph.D. degree in signal and image processing
from the University of Poitiers, Poitiers, France,
in 2011. He is currently a Professor with the
Department of Computer Engineering, College of
Computer and Information Sciences, King Saud
University, Riyadh, Saudi Arabia. His research
interests include color image watermarking, multi-
media security, steganography, fingerprinting, and
biometric template protection.
YOUSEF ALOHALIreceived the Ph.D. degree in
AI from the School of Engineering, Concordia

posts, including the dean, the associate dean, the
department chair, the director of the research cen-
ter, and the head of the joint Ph.D. program.
He is also an IT consultant. He has more than
100 research papers in journals and conferences. His research interests
include intelligent systems, peer-to-peer systems, modeling and analysis,
database management systems, data mining, knowledge management, e-
learning, and bioinformatics.
WADOOD ABDUL (Member, IEEE) received
the Ph.D. degree in signal and image processing
from the University of Poitiers, Poitiers, France,
in 2011. He is currently a Professor with the
Department of Computer Engineering, College of
Computer and Information Sciences, King Saud
University, Riyadh, Saudi Arabia. His research
interests include color image watermarking, multi-
media security, steganography, fingerprinting, and
biometric template protection.
YOUSEF ALOHALIreceived the Ph.D. degree in
AI from the School of Engineering, Concordia

posts, including the dean, the associate dean, the
department chair, the director of the research cen-
ter, and the head of the joint Ph.D. program.
He is also an IT consultant. He has more than
100 research papers in journals and conferences. His research interests
include intelligent systems, peer-to-peer systems, modeling and analysis,
database management systems, data mining, knowledge management, e-
learning, and bioinformatics.
WADOOD ABDUL (Member, IEEE) received
the Ph.D. degree in signal and image processing
from the University of Poitiers, Poitiers, France,
in 2011. He is currently a Professor with the
Department of Computer Engineering, College of
Computer and Information Sciences, King Saud
University, Riyadh, Saudi Arabia. His research
interests include color image watermarking, multi-
media security, steganography, fingerprinting, and
biometric template protection.
YOUSEF ALOHALIreceived the Ph.D. degree in
AI from the School of Engineering, Concordia

posts, including the dean, the associate dean, the
department chair, the director of the research cen-
ter, and the head of the joint Ph.D. program.
He is also an IT consultant. He has more than
100 research papers in journals and conferences. His research interests
include intelligent systems, peer-to-peer systems, modeling and analysis,
database management systems, data mining, knowledge management, e-
learning, and bioinformatics.
WADOOD ABDUL (Member, IEEE) received
the Ph.D. degree in signal and image processing
from the University of Poitiers, Poitiers, France,
in 2011. He is currently a Professor with the
Department of Computer Engineering, College of
Computer and Information Sciences, King Saud
University, Riyadh, Saudi Arabia. His research
interests include color image watermarking, multi-
media security, steganography, fingerprinting, and
biometric template protection.
YOUSEF ALOHALIreceived the Ph.D. degree in
AI from the School of Engineering, Concordia

Question: what are algorithms used in these papers

Answer: