Browsing Mohd Hafiz Fazalul Rahiman, Associate Professor Ir.Dr. by Title
Now showing items 29-48 of 69
-
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 ... -
Oil Contamination Detection System (OCDS)
(Malaysian Invention and Design Society (MINDS), 2007-05-18)Oil Contamination Detection System (OCDS) is a novel and cost effective invention for illegal oil and grease emissions monitoring. OCDS will be immersed partially in the water by using a float. -
Optical tomography hardware development for solid gas measurement using mixed projection
(Elsevier Ltd, 2013-10)The ability to implement fan beam projection in parallel view in an optical tomography setup is one of the novelties of this research. This design involves a sensor jig specifically designed for parallel applications that ... -
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 ... -
An optical tomography system using a digital signal processor
(Molecular Diversity Preservation International (MDPI), 2008-03)The use of a personal computer together with a Data Acquisition System (DAQ) as the processing tool in optical tomography systems has been the norm ever since the beginning of process tomography. However, advancements in ... -
Optical tomography system using digital signal processor: Velocity profile measurement
(Inderscience Enterprises Limited, 2009-06)The DSP system was customised to control the data acquisition process of 16 x 16 optical sensors array, arranged in parallel beam projection. The data collected was used to reconstruct the cross sectional image of the ... -
Optical tomography system: Application of Charge Coupled Device (CCD) for solid and transparent objects detection
(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 ... -
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 ... -
Optical tomography: Image improvement using mixed projection of parallel and fan beam modes
(Elsevier Ltd, 2013-07)Mixed parallel and fan beam projection is a technique used to increase the quality images. This research focuses on enhancing the image quality in optical tomography. Image quality can be defined by measuring the Peak ... -
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 ... -
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 ... -
Real time mass flow rate measurement using multiple fan beam optical tomography
(Elsevier, 2008)This paper presents the implementing multiple fan beam projection technique using optical fibre sensors for a tomography system. From the dynamic experiment of solid/gas flow using plastic beads in a gravity flow rig, the ... -
Remote Oil Spillage Monitoring System
(Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)Oil spills can destroy marine life as well as damaging habitat for land animals and humans. Majority of marine oil spills occurs from ships emptying their tanks before or after entering port. Large area oil spills are ... -
A review of application electrical resistance tomography for rooted herb tree detection
(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 ... -
A review of process tomography application in inspection system
(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 review of the optical tomography system
(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 ... -
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 ... -
A review of ultrasonic application on non-destructive testing method for concrete structure
(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 ... -
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 ...