Browsing Mohd Hafiz Fazalul Rahiman, Associate Professor Ir.Dr. by Title

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    • Advancements in Transmitters and Sensors for Biological Tissue Imaging in Magnetic Induction Tomography 

      Zulkarnay, Zakaria; Ruzairi, Abdul Rahim; Muhammad Saiful Badri, Mansor; Sazali, Yaacob; Nor Muzakkir, Nor Ayob; Siti Zarina, Mohd. Muji; Mohd Hafiz Fazalul, Rahiman; Syed Mustafa Kamal, Syed Aman (MDPI AG, 2012-05-29)
      Magnetic Induction Tomography (MIT), which is also known as Electromagnetic Tomography (EMT) or Mutual Inductance Tomography, is among the imaging modalities of interest to many researchers around the world. This noninvasive ...

    • Analysis of magnetic coil properties in magnetic induction tomography using FEMM software 

      Zulkarnay, Zakaria; Shahril Najib, Ismail; Mohd Hafiz Fazalul, Rahiman; Ruzairi, Abdul Rahim (Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)
      In Magnetic Induction Tomography (MIT) application, the needs of having the best spec of magnetic coil are very important since this is among the factors that will provide the best reconstructed image of the object ...

    • Application study on bubble detection in a metallic bubble column using electrical resistance tomography 

      Suzanna, Ridhuan Aw; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Fazlul Rahman, Mohd Yunus; Naizatul Shima, Fadzil; Mohd Zikrillah, Zawahir; Mohd Fahajumi, Jumaah; Muhammad Jaysuman, Pusppanathan; Nor Muzakkir, Nor Ayob; Yasmin, Abdul Wahab; Salinda, Buyamin, Dr. (Penerbit UTM Press, 2014)
      Electrical RESISTANCE tomography (ERT) has been chosen as the field of study because of its advantages of being low COST, suitable for various kinds and sizes of pipes and vessels, having no radiation hazard, and being ...

    • Computed Tomography Virtual Lab Software application in Biomedical Electronic Engineering Programme at University Malaysia Perlis 

      Zulkarnay, Zakaria; Mohd Hafiz, Fazalul Rahiman; Saidatul Ardeenawati, Awang; Nur Farahiyah, Mohamad; Azian Azamimi, Abdullah; Ruzairi, Abdul Rahim (Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)
      Computed Tomography (CT) is a medical imaging method and is among the common equipment or machine in a hospital which is vital in imaging certain parts of human body for the purpose of screening and detecting of deceases ...

    • Damage detection in steel plates using artificial neural networks 

      Paulraj, Murugesa Pandiyan, Prof. Madya; Mohd Shukri, Abdul Majid; Sazali, Yaacob, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman; Krishnan, R. P. (Institute of Electrical and Electronics Engineering (IEEE), 2009-06-04)
      In this paper, a simple method for crack identification in steel plates based on frame energy based Discrete Cosine Transformation (DCT) is presented. A simple experimental procedure is also proposed to measure the vibration ...

    • Damage detection in steel plates using discrete cosine transformation techniques and artificial neural network 

      Paulraj, M.P.; Mohd Shukry, Abdul Majid; Sazali, Yaacob; Mohd Hafiz, Fazalul Rahiman; R Pranesh, Krishnan (Universiti Malaysia Perlis, 2009-10-11)
      In this paper, a simple method for crack identification in steel plates based on the Frame Energy based Discrete Cosine Transformation [DCT] moments is presented. A simple experimental procedure is also proposed to measure ...

    • Design and development fo a CCD based optical tomography measuring system for particle sizing identification 

      Mariani, Idroas; Ruzairi, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman; M. N., Ibrahim; Green, R. G. (Elsevier Ltd, 2011-07)
      This research investigates the use of charge coupled device (abbreviated as CCD) linear image sensors in an optical tomographic instrumentation system used for sizing particles. Four CCD linear image sensors are configured ...

    • Design consideration for front-end system in ultrasonic tomography 

      Nor Muzakkir, Nor Ayob; Muhammad Jaysuman, Pusppanathan; Ruzairi, Abdul Rahim, Prof. Dr. ; Mohd Hafiz, Fazalul Rahiman, Dr.; Fazlul Rahman, Mohd Yunus; Salinda, Buyamin, Dr.; Intan Maisarah, Abd Rahim; Yusri, Md. Yunos, Dr. (Penerbit UTM Press, 2013)
      The hardware development of the ultrasonic tomography comprises three main parts; the sensor unit, electronic measurement circuits combined with a data acquisition system and finally the display unit. The research done is ...

    • Development of parallel and fan-shaped beam mixed-projection optical tomography 

      Siti Zarina, Mohd. Muji, Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman; Yusry, Yunus; Zulkarnay, Zakaria; Nor Muzakkir, Nor Ayub (International Frequency Sensor Association Publishing (IFSA), 2012-05)
      Parallel and fan shaped beam are two common projections that had been used widely in optical tomography system. These projections never have been merged before in the process of tomography area. In this paper, some ...

    • Edge detection algorithm for enhancement of linear back projection tomographic images 

      Muhammad Jaysuman, Pusppanathan; Mahdi Faramarzi; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Ruzairi, Abdul Rahim, Prof. Dr.; Fatin Aliah, Phang Abdullah, Dr.; Usman Ullah, Sheikh, Dr.; Loew,  Pei Ling, Dr.; Khairul Hamimah, Abas; Mohd Hafiz, Fazalul Rahiman, Dr.; Shafishuhaza, Sahlan (Penerbit UTM Press, 2014)
      Process tomography (PT) is a leading technique for multiphase flow measurement and flow monitoring systems in various fields. PT has the advantage of interpreting acquired measurement data and transforming it into visual ...

    • Electrical resistance tomography: a review of the application of conducting vessel walls 

      Suzanna, Ridzuan Aw; Ruzairi, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman; Fazlul Rahman, Mohd Yunus; Goh, Chiew Loon (Elsevier, 2014-03)
      Despite decades of research, the study on tomography continues to be a subject of great scientific interest. Amongst all the kinds of tomography available, electrical resistance tomography (ERT) has been chosen as the field ...

    • FPGA technology in process tomography 

      Lean, Thiam Siow; Mohd Hafiz, Fazalul Rahiman; Ruzairi, Abdul Rahim; Mohd Shukry, Abdul Majid; Salman Sayyidi, Hamzah; Nur Atikah, Mat Ali; Vernoon, Ang Wei Neng; Syafiqah, Ishak; Thomas, Tan Wan Kiat (Penerbit UTM Press, 2016)
      The aims of this paper are to provide a review of the process tomography applications employing field programmable gate arrays (FPGA) and to understand current FPGA related researches, in order to seek for the possibility ...

    • The front-end hardware design issue in ultrasonic tomography 

      Mohd. Hafiz, Fazalul Rahiman; Rahim, R. A.; Mohd Nasir, Ayob (IEEE, 2010-07)
      This paper explains the front-end hardware design for ultrasonic tomography. The ultrasonic tomography system presented in this paper uses a noninvasive sensing technique with transmission-mode approach for investigating ...

    • Gas hold-up profiles determination by means of ultrasonic transducer 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr. ; Herlina, Abdul Rahim, Dr.; Zulkarnay, Zakaria; Muhammad Jaysuman, Pusppanathan; Goh, Chiew Loon; Nasarudin, Ahmad; Yasmin, Abdul Wahab; Fazlul Rahman, Mohd Yunus (Penerbit UTM Press, 2014)
      This paper details a work carried out to measure gas hold-up profiles in a liquid column using a pair of ultrasonic transducer. The gas hold-up profiles from 1.85 mm to 7.7 mm diameter are of interest in this investigation. ...

    • Gas hold-up profiles measurement using ultrasonic sensor 

      Mohd Hafiz, Fazalul Rahiman; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2011-02)
      In this letter, we present a work carried out to measure gas hold-up profiles in a liquid column using a pair of ultrasonic sensors. The gas hold-up profiles from 1.85 to 7.7 mm in diameter are of interest in this ...

    • The hardware design technique for ultrasonic process tomography system 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Nor Muzakkir, Nor Ayob (International Frequency Sensor Association Publishing (IFSA), 2012-06)
      This paper describes a work carried out to design and development an ultrasonic process tomography system. The hardware design technique is of interest of this paper. A number of 32-ultrasonic transducers have been ...

    • Hardware developments of an ultrasonic tomography measurement system 

      Hudabiyah, Arshad Amari; Ruzairi, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman; Herlina, Abd Rahim; Pusppanathan, Muhammad Jaysuman (International Frequency Sensors Association (IFSA), 2011-01)
      This research provides new technique in ultrasonic tomography by using ultrasonic transceivers instead of using separate transmitter-receiver pair. The numbers of sensors or transducers used to acquire data plays an important ...

    • Hardware implementation of multiple fan beam projection technique in optical fibre process tomography 

      Ruzairi, Abdul Rahim; Mohd Hafiz Fazalul, Rahiman; Lai, Chen Leong; Kok, San Chan; Jon, Fea Pang (Molecular Diversity Preservation International (MDPI), 2008-05)
      The main objective of this project is to implement the multiple fan beam projection technique using optical fibre sensors with the aim to achieve a high data acquisition rate. Multiple fan beam projection technique here ...

    • Homogeneous and Non-homogeneous media indentification and circuitry design of multiphase Ultrasonic Tomography 

      Mohd Rizal, Manan; Mohd Hafiz, Fazalul Rahiman; Sazali, Yaacob; Ruzairi, Abdul Rahim (Universiti Malaysia Perlis, 2009-10-11)
      Multiphase flow characterization is an important task for monitoring, measuring or controlling industrial processes. This can be done by means of process tomography. The use of tomographic techniques has been used within ...

    • Image fusion using fuzzy logic pixel fusion for dual modality tomography system 

      Muhammad Jaysuman, Pusppanathan; Mahdi Faramarzi; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Ruzairi, Abdul Rahim, Prof. Dr. ; Fatin Aliah, Phang Abdullah, Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Anita, Ahmad, Dr.; Loew,  Pei Ling, Dr.; Khairul Hamimah, Abas (Penerbit UTM Press, 2014)
      Process tomography has been widely investigated and developed over time. The aim of this method is to measure the cross-sectional distribution of multiphase flow parameters based on its sensing technique. These single ...