This page provides access to research works by Dr. Mohd Hafiz bin Fazalul Rahiman, currently a Senior Lecturer of School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP).

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Skills and Expertise:Electrical & Electronics Engineering,Image Processing,C++,Digital Signal Processing,Signal Processing,C,Imaging,Optics,Computed Tomography,Electrical Engineering,Instrumentation,Electronics,Electronic Engineering,System Identification,Sensors,Sensor Technology,Gas,Electronic Instrumentation,Digital Electronics,Analog Electronics,LabVIEW programming,Microcontrollers,Sensor,Development,Transducers,Embedded Systems,Microcontroller Programming,Ultrasonics,Piping,Embedded Electronics,Embedded Programming,Industrial Instrumentation,Image Reconstruction,Tomography,Microprocessor Programming,Inverse Problems,Embedded Systems Programming,Analog Signal Processing,Applied Electronics,Embedded Development,Pipeline,Sonar

Recent Submissions

  • Optical tomography system: Application of Charge Coupled Device (CCD) for solid and transparent objects detection 

    Juliza, Jamaludin; Ruzairi, Abdul Rahim; Herlina, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman; Siti Zarina, Mohd Muji; Mohd Fahjumi, Jumaah; Naizatul Shima, Mohd Fadzil; Chan, Kok San; Green, R.G. (Penerbit UTM Press, 2016)
    This research presents an application of Charge Coupled Device (CCD) linear sensor and laser diode in an optical tomography system. These optoelectronic sensors are believed to detect solid objects rather than transparent ...
  • 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 ...
  • A review of application electrical resistance tomography for rooted herb tree detection 

    Syafiqah, Ishak; Mohd Hafiz, Fazalul Rahiman; Salman Sayyidi, Hamzah; Lean, Thiam Siow; Nur Atika, Mar Ali; Thomas, Tan Wan Kiat; Vernoon, Ang Wei Neng (Penerbit UTM Press, 2016)
    This paper presents the measurement strategy of Electrical Resistance Tomography (ERT) for a system using underground investigation and comparison with other application such as conducting vessel pipe and concrete. Measurement ...
  • Underwater ground mapping for flood disaster using ultrasonic sensor 

    Salman Sayyidi, Hamzaha; Mohd Hafiz, Fazalul Rahiman; Mohd Hajazi, Mustafa; Mohd Azrul, Amat; Lean Thiam, Siow; Vernoon, Ang Wei Neng; Thomas, Tan Wan Kiat; Syafiqah, Ishaka; Nur Atikah, Mat Alia (Penerbit UTM Press, 2016)
    Search and Rescue (SAR) team used dip stick to measure the water depth and identify the badly eroded area and a guide line will be placed to assist them. However, ground erosion is unpredictable coupled with unknown sizes ...
  • Jaundice assessement of newborn baby: A short review on Kramel’s Rule and magnetic induction spectroscopy 

    Maliki, Ibrahim; Zulkarnay, Zakaria; Jurimah, Abd Jalil; Shazwani, Sarkawi; Balkhis, Ibrahim; Mohamad Aliff, Abd Rahim; Nazahah, Mustafa; Mohd Hafiz Fazalul, Rahiman; Abdul Ruzairi, Abdul Rahim (Penerbit UTM Press, 2015-04)
    Jaundice is a yellow discolouration of white eyes (sclera), skin and mucous membrane which is clinically apparent when the level of serum bilirubin rises up to 5 mg/dl. Jaundice could cause abnormalities in the newborn ...
  • 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 ...
  • 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. ...
  • 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 ...
  • Small gas component detection using ultrasonic transmission-mode tomography system 

    Nor Muzakkir, Nor Ayob; Muhammad Jaysuman, Pusppanathan; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Fazlul Rahman, Mohd Yunus; Zulkarnay, Zakaria; Goh, Chiew Loon; Salinda, Buyamin, Dr.; Nasarudin, Ahmad; Yusri, Md. Yunos, Dr.; Norhaliza, Abdul Wahab, Assoc. Prof. Dr. (Penerbit UTM Press, 2014)
    This paper presents the development of an ultrasonic transmission-mode tomography system for the detection of small gas components by using higher frequency ultrasonic transducers. The selection of the transducer is important ...
  • A review of the optical tomography system 

    Juliza, Jamaludin; Ruzairi, Abdul Rahim, Prof. Dr. ; Herlina, Abdul Rahim, Dr.; Naizatul Shima, Mohd Fadzil; Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Fahajumi, Jumaah; Siti Zarina, Mohd Muji, Dr.; Mohd. Amri, Md Yunus, Dr. (Penerbit UTM Press, 2014)
    Tomography is a method that has been used for image reconstruction in the medical and engineering fields. Optical tomography is one of the various methods APPLIED in tomography systems. This tomography method is widely ...
  • Study and Design of an Ultrasonic Flow Tomographic Front-End Multi Level Measurement System 

    Goh, Chiew Loon; Ruzairi, Abdul Rahim, Prof. Dr. ; Suzanna, Ridhuan Aw; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Mohd Hafiz, Fazalul Rahiman, Dr.; Anita, Ahmad, Dr.; Nasarudin, Ahmad; Khairul Hamimah, Abas (Penerbit UTM Press, 2014)
    With the rapid evolution of electro-acoustical technology, ultrasonic tomography has made considerable progress in industry. An ultrasonic tomography system provides non-invasive and non-intrusive flow visualisation that ...
  • Simulative study of two-phase homogenous and isotropic media imaging using magnetic induction tomography 

    Zulkarnay, Zakaria; Ibrahim, Balkhis; Lee, Pick Yern; Nor Muzakkir, Nor Ayob; Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Zikrillah, Zawahirah; Ruzairi, Abdul Rahim, Prof. Dr. (Penerbit UTM Press, 2014)
    Magnetic induction tomography is a new non-invasive technology, based on eddy current discovery of electromagnetic induction by Michael Faraday. Through this technique, the passive electrical properties distribution of an ...
  • A review of process tomography application in inspection system 

    Yasmin, Abdul Wahab; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Herlina, Abdul Rahim, Dr.; Suzanna, Ridhuan Aw; Juliza, Jamaludin; Naizatul Shima, Mohd Fadzil (Penerbit UTM Press, 2014)
    The inspection system is crucial to ensure the system is always in a good condition. A technique that can be used for inspection system is process tomography. By promising non-destructive approach; various types of process ...
  • A study on forward and inverse problems for an ultrasonic tomography 

    Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Zulkarnay, Zakaria; Muhammad Jaysuman, Pusppanathan (Penerbit UTM Press, 2014)
    This paper studies the solution for inverse and forward problems for an ultrasonic tomography. Transmission-mode approach has been used for sensing the liquid/gas two-phase flow, which is a kind of strongly inhomogeneous ...
  • Measurement of the content of water using light penetration 

    Mohd Fahajumi, Jumaah; Mohd Zikrillah, Zawahir; Fazlul Rahman, Mohd Yunus; Ruzairi, Abdul Rahim, Prof. Dr.; Nor Muzakkir, Nor Ayob; Muhammad Saiful Badri, Mansor; Naizatul Shima, Fadzil; Zulkarnay, Zakaria; Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Ramzam, Abdul Manaf (Penerbit UTM Press, 2014)
    In this paper we use an electronic component to produce light which is applied in testing soft tissue penetration. We used bio tissue, a slice of apple, and non-bio tissue, paper. The voltage could be adjusted to brighten ...
  • A review of ultrasonic application on non-destructive testing method for concrete structure 

    Nasarudin, Ahmad; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Mohd Hafiz, Fazalul Rahiman, Dr. (Penerbit UTM Press, 2014)
    Although the technique of using ultrasound has reached maturity by given the extent of the development of sensors, but the use of the various areas still can be explore. Many types of ultrasonic sensors are still at ...
  • 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 ...
  • Smart column imager 

    Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Ruzairi, Abdul Rahim, Prof. Dr.; Zulkarnay, Zakaria; Masturah Tunnur, Mohammad Talib (Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2014-05)
    This invention presents a smart column imager system that performs 3D imaging of liquid/gas mixtures in a process column and estimates of the mixtures profiles.
  • Initial study on optical fiber array to produce particle size information for hydraulic process 

    Yusri, Md. Yunos; Ruzairi, Abdul Rahim; Siti Zarina, Mohd Muji; Mohd Hafiz Fazalul Rahiman, Dr.; Muhammad Jaysuman, Pusppanathan (Springer Berlin Heidelberg, 2013-08)
    This paper presents the results of investigations carried out to determine the feasibility of using optical fibers to produce particle size information of hydraulic processes. The results have been obtained using a static ...
  • Modelling ultrasonic sensor for gas bubble profiles characterization of chemical column 

    Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr. ; Herlina, Abdul Rahim, Dr.; Nor Muzakkir, Nor Ayob; Elmy Johana, Mohamad, Dr.; Zulkarnay, Zakaria (Elsevier B.V., 2013)
    In this paper, we present a modelling and experimental work to characterize gas bubble profiles in chemical column using a pair of ultrasonic sensor. The gas bubble profiles from 2.90 mm to 7.50 mm diameter are of interest ...

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