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Raslan, E. I., H. S. Hamza, and R. A. El-Khoribi, "Dynamic Bandwidth Allocation in Fiber-Wireless (FiWi) NetworNs", World Academy of Science, Engineering and Technology, International Journal of Computer, Electrical, Automation, Control and Information Engineering, vol. 9, no. 12, pp. 2374–2378, 2016. Abstract
Al-hamid, A. A., A. Yahya, and R. A. El-Khoribi, Optimized Image Compression Techniques for the Embedded Processors, , 2016. Abstract
Mousa, F. A., R. A. El-Khoribi, and M. E. Shoman, "EEG Classification based on Machine Learning Techniques :22-27, October 2015. Published by Foundation of Computer Science (FCS), NY, US", International Journal of Computer Applications, vol. 128, issue 4, pp. 22-27, 2015.
Abdel-Hadi, M. E. A., R. A. El-Khoribi, M. I. Shoman, and M. M. Refaey, "Classification of motor imagery tasks with LS-SVM in EEG-based self-paced BCI", Digital Information Processing and Communications (ICDIPC), 2015 Fifth International Conference on: IEEE, pp. 244–249, 2015. Abstract
Mousa, F. A., R. A. El-Khoribi, and M. E. Shoman, "An integrated classification method for brain computer interface system", Digital Information Processing and Communications (ICDIPC), 2015 Fifth International Conference on: IEEE, pp. 141–146, 2015. Abstract
Salama, E. S., R. A. El-Khoribi, and M. E. Shoman, "Audio-Visual Speech Recognition for People with Speech Disorders", International Journal of Computer Applications, vol. 96, no. 2: Foundation of Computer Science, New York, USA, pp. 51–56, 2014. Abstract
El-Khoribi, R. A., M. A. ismail Shoman, and A. G. A. Mohammed, "Automatic Digital Modulation Recognition Using Artificial Neural Network in Cognitive Radio", International Journal of Emerging Trends & Technology in Computer Science (IJETTCS), vol. 3, no. 3, pp. 132–136, 2014. Abstract
El-Khoribi, R. A., M. A. Hammad, and H. S. Hamza, "Indoor Localization and Tracking using Posterior State Distribution and Fingerprint Interpolation", International Journal of Emerging Trends & Technology in Computer Science (IJETTCS), vol. 3, no. 5, pp. 47–54, 2014. Abstract
El-Khoribi, R. A., "An EM Estimation Algorithm of Iterated Random Function System Parameters from Noisy Observations", Proceedings of the 2013 International Conference on Applied Mathematics and Computational Methods in Engineering, pp. 264–271, 2013. Abstractamcme-40.pdf

In this paper, a new solution to the
inverse problem of iterated random function
systems is presented. The solution is based on a
generalized hidden Markov model formalism to
model the process generated by an iterated random
function system. Instead of the assumption of
conditional independence of observation sequence
elements given the state sequence, the new model
assumes the existence of short term dependency
between successive observations. An expectationmaximization
(EM) algorithm is derived to
estimate the parameters of the transformations used
in the generation of the process. Regeneration of
the process is possible given the model parameters
and the initial observation by using the Veterbi
algorithm. This suggests the use of the model in
signal compression, encoding and detection.
Increasing the order of the observation process
opens the door for many pattern recognition and
machine learning applications.

Ma’afer M. Haza’a, R. E. - K. A., "Improving the Accuracy of Fingerprinting for Indoor Localization Using Bagging Trees", Int.J.of Advanced Computing, vol. 46, no. 4, pp. 1397–1400, 2013. Abstract
El-Khoribi, R. A., H. S. Hamza, and M. A. Hammad, "Indoor localization and tracking using posterior state distribution of hidden markov model", Communications and Networking in China (CHINACOM), 2013 8th International ICST Conference on: IEEE, pp. 557–562, 2013. Abstract
El-Khoribi, R., E. M. Emary, and A. - Z. S. Ahmed, "Pattern Classification Based Methods for Modelling and Analysis of Software Rejuvenation", Int.J.of Advanced Computing, vol. 46, no. 3, pp. 1366–1370, 2013. Abstract
Reda A. El-Khoribi, A. E. - S. N., "Quality Assessment of 12-Lead ECG in Body Sensor Network", International Journal of Sciences, vol. 2, no. 10, pp. 100–105, 2013. Abstract
R.. El-Khoribi, A. - B. B., "Robust Classification of P300 Brain Signals Using DCT-Based Features", International Journal of Advanced Computing, vol. 46, issue 3: RECENT SCIENCE PUBLICATIONS, pp. 2051-0845, 2013. Abstract
El-Khoribi, R. A., Hidden Conditional Random Fields for ECG Classification, : ICGST-AIML Journal, 2008. Abstract
El-Khoribi, R. A., "Large Margin GMM of Ranklets for Multispectral Image Classification", ICGST International Journal on Graphics, Vision and Image Processing, GVIP, vol. 8, pp. 13–18, 2008. Abstract
El-Khoribi, R. A., and M. A. Ismail, "Maximum Likelihood Decoding Of Linear Codes Using Particle Swarm Optimization Methods.", Egyptian Computer Science Journal, vol. 30, issue 3, 2008. Abstract
El-Khoribi, R., "Support Vector Machine Training of HMT Models for Land Cover Image Classification", ICGST-GVIP, vol. 8, issue 4, pp. 7-11, 2008. Abstract
Al-Barhamtoshy, H. M., M. S. Saleh, and R. A. Al-Kheribi, Infra Structure for Machine Translation, , 2007. Abstract
Mohamed, A. S. A., R. A. El-Khoribi, and L. Fekry, Discrete Hidden Markov Tree modelling of ranklet transform for mass classification in mammograms, : BIME Journal, Volume (06), Issue (1), 2006. Abstract
Ismail, M. A., and R. A. El-Khoribi, HMT of the ranklet transform for face recognition and verification, : GVIP Journal, Volume 6, 2006. Abstract
El-Khoribi, R., and M. Ismael, "An intelligent system based on statistical learning for searching in arabic text", ICGST International Journal on Artificial Intelligence and Machine Learning: Citeseer, 2006. Abstract
Ismail, M. a, and R. A. El-Khoribi, "Multi- Observation Hidden Markov Tree: Method and Applications", Egyptian Informatics Journal, vol. 6, no. 2, 2005. Abstract
Ei–Helly, M., A. Rafea, S. Ei–Gamal, and R. A. E. Whab, "Integrating diagnostic expert system with image processing via loosely coupled technique", Central Laboratory for Agricultural Expert System (CLAES), 2004. Abstract
Ismail, M. A., and R. A. El-Khoribi, "Solving the Probabilistic Decoding Problems Using Evolutionary Computation Techniques", Proceeding of 5th WSES/IEEE World Multi-Conference in Circuits, Systems, Communications and Computers, Create, 2001. Abstract
Mahmoud A Ismail, R. E. - K. A., "A Hybrid System for Face Recognition", Egyptian Informatics Journal, vol. 1, no. 2, 2000. Abstract
El-Khoribi, R., N. Darwish, and S. Shaheen, "A guided search technique for the inverse problem of IFS Fractals", Al-Azhar engineering 5th international conference: Faculty of Engineering, Al-Azhar University, 1998. Abstract
Darwish, N., S. Shaheen, and R. El-Khoribi, "On the Inverse Problem of IFS Fractals", Journal of Engineering and Applied Science, vol. 39, no. 1: Faculty of Engineering, Cairo Univrsity, 1993. Abstract