Browsing School of Mechatronic Engineering (Articles) by Issue Date

Now showing items 21-40 of 322

    • Segmentation and location computation of bin objects 

      Hema, Chengalvarayan Radhakrishnamurthy; Paulraj, Murugesapandian; Ramachandran, Nagarajan; Sazali, Yaacob (Ars International, 2007)
      In this paper we present a stereo vision based system for segmentation and location computation of partially occluded objects in bin picking environments. Algorithms to segment partially occluded objects and to find the ...

    • Stereo vision system for a bin picking adept robot 

      Hema, Chengalvarayan Radhakrishnamurthy; Paulraj, Murugesapandian; Ramachandran, Nagarajan; Sazali, Yaacob (Universiti Malaya, 2007)
      In bin picking applications, robots are required to pick up an object from a pile of stacked or scattered objects placed in a bin. To perform such tasks, identification of the objects to be picked using a vision system is ...

    • Japanese face emotions classification using lip features 

      Mohamad Rizon, Mohamed Juhari; Muthukaruppan, Karthigayan; Sazali, Yaacob; Nagarajan, R. (Institute of Electrical and Electronics Engineering (IEEE), 2007)
      In this paper, lip features are applied to classify the human emotion using a set of irregular ellipse fitting equations using Genetic algorithm. As Japanese, is considered in this study. All six universally accepted ...

    • Personalized face emotion classification using optimized data of three features 

      Muthukaruppan, Karthigayan; Ramachandran, Nagarajan; Mohd Rizon, Mohamed Juhari; Sazali, Yaacob (Institute of Electrical and Electronics Engineering (IEEE), 2007)
      In this paper, lip and eye features are applied to classify the human emotion through a set of irregular and regular ellipse fitting equations using Genetic algorithm (GA). South East Asian face is considered in this study. ...

    • Development of a PMV-based thermal comfort modelling 

      Shazmin Aniza, Abdul Shukor; Karl Kohlhof; Zul Azhar, Zahid Jamal (International Association of Science and Technology for Development (IASTED)/ACTA Press, 2007-05)
      This paper concentrates on the modelling development for a PMV-based thermal comfort system. Operators can define their own expression towards the surroundings by inserting the respective value of PMV and the system will ...

    • Implementation of 128/256 bit data bus microprocessor core on FPGA 

      Weng, Fook Lee; Ali Yeon, Md. Shakaff, Prof. Dr. (International Congress for global Science and Technology (ICGST), 2007-05)
      This paper shows the implementation of a large data bus size microprocessor core of 128/256 bits on an Altera Stratix 2 FPGA using a superscalar architecture of 3 parallel pipes with 4 stage pipeline as shown in Figure ...

    • The effects of varying target hardness on ricochet angle 

      Mohd Shukry, Abdul Majid; Birch, Robert S.; Jais, M. I. (American Institute of Physics, 2007-05-09)
      This project is a study on ricochet characteristics off wooden targets when fired upon by 22 calibre bolt action rifle. A series of experimental testing has been carried out on three different woods chosen to give range ...

    • A comparison of circular object detection using Hough transform and chord intersection 

      Mohamed Rizon, Mohamed Juhari; Haniza, Yazid; Puteh, Saad (Institute of Eelectrical and Electronics Engineering (IEEE), 2007-07)
      In this paper, the circular Hough transform (CHT) and the chord intersection have been used to find the circular object in the feature extraction process. The chord intersection technique does not require any gradient ...

    • A systematic dry etching process for profile control of quantum dots and nanoconstrictions 

      Madnarski, Sutikno; Uda, Hashim; Zul Azhar, Zahid Jamal (Elsevier B.V., 2007-08)
      In essence, quantum dot dimensions and others can be laterally and vertically defined by using either bottom up or top down methods respectively. In fabrication that uses top down method, etch process hold a chief role. ...

    • Development of a personified face emotion recognition technique using fitness function 

      Muthukaruppan, Karthigayan; Mohd Rizon, Mohamed Juhari; Ramachandran, Nagarajan; Masanori, Sugisaka; Sazali, Yaacob; Mohd Rozailan, Mamat; Hazry, Desa (Springer Japan, 2007-08-10)
      In this article, two subjects, one South East Asian (SEA) and the other Japanese, are considered for face emotion recognition using a genetic algorithm (GA). The parameters relating the face emotions in each case are ...

    • Fast transient thermal analysis of Fourier and non-Fourier heat conduction 

      Loh, J. S.; Abdul Azid, Ishak; Seetharamu, Kankanhally N.; Quadir, Ghulam Abdul (Elsevier Ltd., 2007-10)
      In this paper, asymptotic waveform evaluation (AWE) has been successfully used for fast transient characterization of Fourier and non-Fourier heat conduction. The Fourier and non-Fourier equations are reduced to a system ...

    • Fuzzy clustering for genetic algorithm based optimized ellipse data in classifying face emotion 

      Muthukaruppan, Karthigayan; Mohd Rizon, Mohamed Juhari; Sazali, Yaacob; Ramachandran, Nagarajan; Masanori, Sugisaka; Mohd Rozailan, Mamat (Institute of Electrical and Electronics Engineering (IEEE), 2007-10)
      In this paper, lip and eye features are applied to classify the human emotion using a set of irregular and regular ellipse fitting equations using genetic algorithm (GA). A South East Asian face is considered in this study. ...

    • Colour contrast enhancement based on bright and dark stretching for Ziehl-Neelsen slide images 

      Zaleha, Salleh; Mohd Yusoff, Mashor; Mat Noor, N. R.; Shazmin Aniza, Abdul Shukor; Norasmadi, Abdul Rahim; Wahab, A. S W; Md Noor, S. S.; Mohamad Idris, F.; Hasan, H. (Institute of Electrical and Electronics Engineering (IEEE), 2007-11)
      The Ziehl-Neelsen stain, also known as the acid-fast stain, was first described by two German doctors; Franz Ziehl (1859 to 1926), a bacteriologist and Friedrich Neelsen (1854 to 1894), a pathologist [1].It is a special ...

    • Fuzzy based classification of EEG mental tasks for a brain machine interface 

      Hema, Chengalvarayan Radhakrishnamurthy; Paulraj, Murugesapandian; Ramachandran, Nagarajan; Sazali, Yaacob; Abdul Hamid, Adom (Institute of Electrical and Electronics Engineers (IEEE), 2007-11-28)
      Patients with neurodegenerative diseases loose all motor movements including impairment of speech, leaving the patients totally locked-in. One possible option for rehabilitation of such patients is using a brain machine ...

    • EEG classification using radial basis PSO neural network for brain machine interfaces 

      Paulraj, Murugesapandian; Hema, Chengalvarayan Radhakrishnamurthy; Ramachandran, Nagarajan; Sazali, Yaacob; Abdul Hamid, Adom (Institute of Electrical and Electronics Engineering (IEEE), 2007-12)
      Brain Machine Interfaces use the cognitive abilities of patients with neuromuscular disorders to restore communication and motor functions. At present, only EEG and related methods, which have relatively short time constants, ...

    • The influence of different core arrangements on magnetic properties of electrical sheets under one-dimensional magnetizing system 

      Aisyah Hartini, Jahidin; Mahadi, W.N.L.W. (Institute of Electrical and Electronics Engineering (IEEE), 2007-12-06)
      This paper is concerned with the measurement on the magnetic properties of electrical steels under one-dimensional magnetizing system at the frequency of 50 Hz. The magnetic properties were principally investigated by ...

    • Improved back propagation neural network for the diagnosis of pathological voices 

      Paulraj, M.P.; Sazali, Yaacob, Prof. Dr.; Sivanandam, S. N.; Hariharan, Muthusamy (Association for Advancedment of Modelling and Simulation Techniques in Entreprises (A.M.S.E), 2008)
      Most of vocal and voice diseases cause changes in the voice. ENT clinicians use acoustic voice analysis to characterize the pathological voices. Nowadays, voice diseases are increasing dramatically due to unhealthy social ...

    • Automatic glass-slide capturing system for cervical cancer pre-screening program 

      Nor Rizuan, Mat Noor; Nor Ashidi, Mat Isa; Mohd Yusoff, Mashor; Kamal Zuhairi, Zamli; Mohammad Subhi Al-Batah (Science Publications, 2008)
      Clinical glass-slide capturing system is becoming an important part of telemedicine, medical database and diagnostic system that involves of microscope and image acquisition device which is digital camera. One of the areas ...

    • Analysis of stress concentration factor in bolted joint using finite element method 

      Khaleed Hussain, M. T.; Samad, Zahurin; Suhaib, S.; Uthman, A. R.; Jagirdar, S. A.; Badruddin, Irfan Anjum; Mallíck, Zulquernain; Khan, Zahid Akhtar; Abdul Quadir, Ghulam (University of MalayaDepartment of Mechanical Engineering, 2008)
      Bolted joints are widely used in industries e.g. pressure vessels, automobiles, machine tools, home appliances etc., thus it is becoming increasingly important to accurately predict the behavior of bolted joints. The ...

    • Real time mass flow rate measurement using multiple fan beam optical tomography 

      Ruzairi, Abdul Rahim; Lai, Chen Leong; Kok, San Chan; Mohd Hafiz Fazalul, Rahiman; Jon, Fea Pang (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 ...