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Browsing College of Information Technology by Issue Date

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  • Depth Dose Distribution For 252cf Source Using Solid State Detectors 
    Eissa, H.M.; Abdel-Wahab, M.S.; El-Enany, N.; El-Fiki, S.; El-Feky, M.A. (1991)
    LiF (600 and 700) and CR-39 plastic detectors were used for measuring fast and thermal 252^~ neutrons and y-ray doses from uz source in a tissue equivalent phantom. Conversion factors as well as related quality factors ...
  • Comparative study of depth dose distribution of fast neurons using solid state nuclear track detectors 
    Abdel-Wahab, M.S.; El-Enany, N.; Sharaf, M.A.; El-Fiki, S.; El-Feky, M.A. (1991)
    Neutron depth dose distribution in a water phantom for some plastics was measured. The experiment was made with Makrofol, CR-39 and LR-II5. The fluence distribution of 252Cf in air and in water phantom were investigated. ...
  • Level structure of 154 Gd 
    El-Kameesy, S. U.; Abdel-Wahab, M. S.; Al-Houty, L.; Abou-Leila, H. (Acta Physica Hungarica, 1992)
    The decay of154Eu to154Gd has been studied using H. P. Ge and H. P. Ge−NaI(Tl) spectrometers in coincidence measurements. 141 gamma transitions have been observed. One of these transitions is found to be new and has an ...
  • Nature of gamma background radiation and dose-rate in Ain Shams University 
    El-Kameesy, S.U.; Abdel-Wahab, M.S.; El-Faramawy, N. (Applied Radiation and Isotopes, 1992)
    A study of the background gamma radiation spectrum in Ain Shams University buildings was performed for the energy range 50 keV–3 MeV using a hyperpure Ge-detector. The absolute dose for each gamma line was calculated and ...
  • A Simple Calibration of a Whole-body Counter for the Measurement of Total Body Potassium in Humans 
    Abdel-Wahaw, M. S.; Youssef, S. K.; Aly, A. M.; El-Fikp, S. A.; EL-ENANY, N.; ABBAS, MAGDA T. (1992)
    A simple calibration procedure for the Inshas whole body counter for evaluating total body potassium has been adopted. More than 120 Egyptian employees in the Nuclear Research Center (N.R.C.) were studied for their total ...
  • A Novel 256-Bit Block Cipher 
    Tolba, Mohamed Fahmy; Abdel Wahab, Mohamed Saeed; Hussien, Ashraf Saad; Abo El-Fotouh, Mohamed Ahmed (Faculty of Computers and Information Sciences,Ain Shams University,Cairo, Egypt, 2000)
    Tornado is a novel 256-bit block cipher that accepts a variable-length key up to 256 bits. The proposed cipher was built on an idea which gives it a dynamic nature. This nature means that the cipher execution flow varies ...
  • Termination analysis in active Databases by using evolution graphs 
    Harb, Hany; Kelash, Hamdy; Shehata, Ahmed (2002)
    We introduce a method for rule termination analysis within active databases by using evolution graphs which simulating rule processing statically and considering both rule activation and deactivation. The evolution graph ...
  • SecureSMSPay 
    Harb, Hany; Farahat, Hassan; Ezz, Mohamed (2004)
    In this paper, we introduce a secure Mobile Payment model suitable for macro transactions that compromise cost, simplicity, security, and performance of transaction, with minimum number of cryptography key usages, and ...
  • Surface Defects Detection for Ceramic Tiles Using Image Processing and Morphological Techniques 
    Elbehiery, H.; Hefnawy, A.; Elewa, M. (World Academy of Science, Engineering and Technology, 2005)
    Quality control in ceramic tile manufacturing is hard, labor intensive and it is performed in a harsh industrial environment with noise, extreme temperature and humidity. It can be divided into color analysis, dimension ...
  • Visual Inspection for Fired Ceramic Tile’s Surface Defects using Wavelet Analysis 
    Elbehiery, H. M.; Hefnawy, A. A.; Elewa, M. T. (ICGST-GVIP Journal, 2005)
    This paper deals with the visual inspection of ceramic’s tiles surfaces for the purpose of detecting flaws using a wavelet approach. Surface defects in the ceramic tiles are viewed as in-homogeneities in regularity ...
  • Visual Inspection for Fired Ceramic Tile’s Surface Defects using Wavelet Analysis 
    Elbehiery, H. M.; Hefnawy, A. A.; Elewa, M. T. (ICGST-GVIP, 2005-01)
    This paper deals with the visual inspection of ceramic’s tiles surfaces for the purpose of detecting flaws using a wavelet approach. Surface defects in the ceramic tiles are viewed as in-homogeneities in regularity ...
  • Arabic sign Language Recognition Using Neural Network And Graph Matching Techniques 
    Abdel-Wahab, M. Saied; Aboul-Ela, Magdy; Samir, Ahmed (Proceedings of the 6th WSEAS International Conference on Applied Informatics and Communications, Elounda, 2006-08)
    Sign Language Recognition (SLR) is the most structured field in gesture recognition applications, such that each gesture has assigned a well-defined meaning. SLR can be defined as a translation system, which translates ...
  • Environment Exploration Using Mini-Robot Khepera 
    Amin, S.; Tanoto, A.; Witkowski, U.; Rückert, U.; Abdel-Wahab, M. S. (, 2007)
    This paper presents some results in the implementation of a local navigation strategy for environment exploration using real robot. As an experiment platform we used mini-robot Khepera II running in the Teleworkbench. ...
  • An enhanced edge breaker compression algorithm For the connectivity of triangular meshes 
    Khattab, D. R.; Abd El-Latif, Y. M.; Abdel Wahab, M. S.; Tolba, M. F. (, 2007)
    Compression of digital geometry models is the answer to an industrial demand. Over the last years, many exciting ideas and new theoretical insights have been devoted to finding ways of reducing the amount of storage such ...
  • Object oriented reading techniques 
    AbdelGaber, Sayed; Shaaban, Essam M. (International Journal of Intelligent Computing and Information Sciences (IJICIS), 2007)
    Software inspection is one of the industry best practices for delivering high-quality software. However, little research has been done to investigate their application to Object-Oriented systems, which is very different ...
  • Developed Intelligent Fire alarm system 
    Elbehiery, Hussam (Journal of American Science, 2008)
    The primary purpose of fire alarm system is to provide an early warning of fire so that people can be evacuated & immediate action can be taken to stop or eliminate of the fire effect as soon as possible. Alarm can ...
  • Robot localization based on visual landmarks 
    Ebied, Hala Mousher; Witkowski, Ulf; Rückert, Ulrich; Abdel-Wahab, Mohamed Saied (International Conference on Informatics in Control, Automation and Robotics, 2008)
    In this paper, we will consider the localization problem of the autonomous minirobot Khepera II in a known environment. Mobile robots must be able to determine their own position to operate successfully in any environments. ...
  • Word Sense Disambiguation in Machine Translation using Monolingual Corpus 
    Ali, Ola M.; GadAlla, Mahmoud; Abdelwahab, Mohammad S. (, 2008)
    This paper presents dictionary-graph based Word Sense Disambiguation in Machine Translation system which translates Arabic Noun Phrase into English. This system uses Arabic-English dictionary and monolingual corpus of ...
  • High Energy Charged Particle Registration in CR-39 Polycarbonated Detector 
    Abdel-Wahab, M. S.; Eissa, H. M.; El Enany, N.; El Fiki, S.; El-Adl, E. H.; El-Feky, M. A. (Nuclear Tracks And Radiation Measurements, 2008)
    • Track etch rate characteristics of CR-39 plastic detector exposed to 28Si ions of 670 MeV energy have been investigated. Experimental results were obtained in terms of frequency distribution of the track diameter, track ...
  • A Hybrid Artificial Immune Genetic Algorithm with Fuzzy Rules for Breast Cancer Diagnosis 
    Nabil, Emad; Badr, Amr; Farag, Ibrahim; Khozium, Mohamed Osama (Faculty of Computers & Information-Cairo University, 2008-03)
    The automatic diagnosis of breast cancer is an important, real-world medical problem. In this paper we give an introduction to fuzzy systems, genetic algorithms and artificial immune system, and then we introduce a hybrid ...

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