Browsing Mohd Hafiz Fazalul Rahiman, Associate Professor Ir.Dr. by Issue Date
Now showing items 21-40 of 69
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Analysis of magnetic coil properties in magnetic induction tomography using FEMM software
(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 ... -
The front-end hardware design issue in ultrasonic tomography
(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 ... -
Hardware developments of an ultrasonic tomography measurement system
(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 ... -
Gas hold-up profiles measurement using ultrasonic sensor
(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 ... -
Quantifying scheme for detection heterogeneous phase in a pipe vessel
(Science Academy Publisher, 2011-03)This paper describes the different ultrasonic tomography for multiphase flow such as liquid/gas flow which commonly found in chemical columns and industrial pipelines. The information obtained through this research has ... -
Optical tomography: A review on sensor array, projection arrangement and image reconstruction algorithm
(Kyushu Tokai University, 2011-07)This paper reviews previous research on sensor arrays, projection arrangements and image reconstruction algorithms of optical tomography for industrial processes. These include the review of sensor selection and projection ... -
Design and development fo a CCD based optical tomography measuring system for particle sizing identification
(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 ... -
Optical tomography system based on charge-coupled device linear image sensors: Particle size measurement
(Elsevier B.V, 2011-08)This paper discussed an optical tomography system based on charge-coupled device (CCD) linear image sensors. The developed system consists of a lighting system, a measurement section and a data acquisition system. Four CCD ... -
Optical tomography system based on charge-coupled device linear image sensors: Particle size measurement
(Elsevier B.V., 2011-08)This paper discussed an optical tomography system based on charge-coupled device (CCD) linear image sensors. The developed system consists of a lighting system, a measurement section and a data acquisition system. Four CCD ... -
Novel adjacent criterion method for improving ultrasonic imaging spatial resolution
(Institute of Electrical and Electronics Engineers (IEEE), 2012)In this letter, we present a novel approach for improving spatial resolution in ultrasonic tomography. The proposed technique modifies a Back-projection (BP) algorithm in reconstructing tomography images. We used 32-ultrasonic ... -
Tomographic reconstruction of a multi-attenuation phantom by means of ultrasonic method
(Springer Science+Business Media B.V., 2012)This paper presents a work on tomography reconstruction of a multi-attenuation phantom by means of ultrasonic method. A transmission-mode approach has been used for the sensing modality. The reconstruction has been conducted ... -
Ultrasonic tomography - image reconstruction algorithms
(International Journal of Innovative Computing, Information and Control (IJICIC), 2012-01)This paper focuses on image reconstruction algorithms for use in ultrasonic tomography. There are three types of algorithms namely Linear Back Projection, Hybrid Reconstruction and Hybrid Binary Reconstruction that are of ... -
Optical tomography: Velocity profile measurement using orthogonal and rectilinear arrangements
(Elsevier Ltd., 2012-03)In tomography applications, flow velocity is an important flow characteristic for analysis. Excessively high particle velocity will cause high energy consumption, severe pipeline wear and particle degradation. This paper ... -
Segmented capacitance tomography electrodes: A design and experimental verifications
(Institute of Electrical and Electronics Engineers (IEEE), 2012-05)A segmented capacitance tomography system for real-time imaging of multiphase flows is developed and presented in this work. The earlier research shows that the electrical tomography (ECT) system is applicable in flow ... -
Development of parallel and fan-shaped beam mixed-projection optical tomography
(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 ... -
Advancements in Transmitters and Sensors for Biological Tissue Imaging in Magnetic Induction Tomography
(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 ... -
An introduction of two differential excitation potentials technique in electrical capacitance tomography
(Elsevier B.V., 2012-06)The investigation of this work is to analyse the sensitivity distributions using single and two differential excitation potentials techniques in order to improve the situation of: (1) non-uniform sensitivity distribution; ... -
The hardware design technique for ultrasonic process tomography system
(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 ... -
Sensor modeling for portable Electrical Capacitance Tomography system using simulation by COMSOL Multiphysics
(Innovative Computing, Information and Control (ICIC) International, 2012-10)This work presents the development process for modeling a 16-segmented portable ECT (Electrical Capacitance Tomography) sensor (using FEM software package COMSOL Multiphysics). The physical sensors are 3D dimensional but ... -
A review of tomography system
(Penerbit UTM Press, 2013)Tomography system is a method that being used to reconstruct a cross sectional image in vessel or pipeline. This method is widely used in medical and industrial fields. The aim of this paper is to provide an overview of ...