Now showing items 61-80 of 322

    • Virtual deformation of soft tissue using bulk variables 

      Sundaraj, Kenneth, Prof. Dr. (World Scientific and Engineering Academy and Society (WSEAS) Press, 2009)
      We present an alternative online simulation model for human tissue. Online simulation of human tissue deformation during surgical training or surgical assistance is becoming increasingly important within the medical ...
    • Inovasi dalam kejuruteraan mekatronik: Perbandingan pencapaian pelajar yang berorentasikan kemahiran analisis dengan berorentasikan sosial 

      Zol Bahri, Razali, Dr. (Universiti Tun Hussein Onn Malaysia (UTHM), 2009)
      Conventional ways of teaching Mechanical or Mechatronics Engineering subjects are no longer relevant. With the expending of latest technology, students need to be exposed with real-life apparatus to increase the awareness ...
    • An investigation on visual and audiovisual stimulus based emotion recognition using EEG 

      Murugappan, M.; Mohd Rizon, Mohammed Juhari; Nagarajan, Ramachandran, Prof. Dr.; Sazali, Yaacob, Prof. (Inderscience Enterprises Ltd., 2009-01)
      In this paper, we investigate the possibility of using visual and audio visual stimulus for detecting the human emotion by measuring electroencephalogram (EEG). Visual and audiovisual stimulus based protocols is designed ...
    • Real-time detection of face and iris 

      Chai, Tong Yuen; Mohamed Rizon, Mohamed Juhari, Prof. Dr.; Muhammad Shazri (World Scientific and Engineering Academy and Society (WSEAS), 2009-06)
      In this study, a computational algorithm has been developed to automatically detect human face and irises from color images captured by real-time camera. Haar cascade-based algorithm has been applied for simple and fast ...
    • Optical tomography system using digital signal processor: Velocity profile measurement 

      Ruzairi, Abdul Rahim; Chiam, Kok Thiam; Mohd Hafiz, Fazalul Rahiman; Yvette-Shan Li, Susiapan; Jayasuman, P. (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 ...
    • Vowel recognition based on frequency ranges determined by bandwidth approach 

      Paulraj, M. P.; Sazali, Yaacob; Mohd Yusof, S. A. (Institute of Eelectrical and Electronics Engineering (IEEE), 2009-07)
      Automatic speech recognition (ASR) has made great strides with the development of digital signal processing hardware and software especially using English as the language of choice. In this paper, a new feature extraction ...
    • Gesture recognition based on the probability distribution of arm trajectories 

      Wan Khairunizam, Wan Ahmad, Dr.; Hideyuki, Sawada (The Society of Instrument and Control Engineers, 2009-09)
      The use of human motions for the interaction between humans and computers is becoming an attractive alternative to verbal media, especially through the visual interpretation of the human body motion. In particular, hand ...
    • Ultrasonic tomography imaging simulation of two-phase homogeneous flow 

      Mohd Hafiz Fazalul, Rahiman; Zulkarnay, Zakaria; Ruzairi, Abdul Rahim; Wei, Nyap Ng (Emerald Group Publishing Limited, 2009-09)
      Purpose - The purpose of this paper is to present an implementation of ultrasonic tomography simulation to investigate the laminar flow of stratified liquid between water and oil. Design/methodology/approach - The velocity ...
    • Multiple fan-beam optical tomography: Modelling techniques 

      Ruzairi, Abdul Rahim; Leong, L. Chen; Chan, K. San; Mohd Hafiz, Fazalul Rahiman; Pang, J. Fea (MDPI Publishing, 2009-11)
      This paper explains in detail the solution to the forward and inverse problem faced in this research. In the forward problem section, the projection geometry and the sensor modelling are discussed. The dimensions, distributions ...
    • Three-axis fuzzy variable structure control with an application to micro satellite 

      Rusli, R.; Nagarajan, R.; Rahim, M.A. (IEEE, 2009-12-10)
      This paper presents a hybrid form of three-axis control system with has both Variable Structure Control (VSC) and Fuzzy Logic Control (FLC). This proposed Fuzzy Variable Structure Control (FVSC) approach combines the power ...
    • Contrast enhancement for Ziehl-Neelsen tissue slide images using linear stretching and histogram equalization technique 

      Osman, M.K.; Mashor, Mohd. Yusof, Prof. Dr.; Saad, Z.; Jaafar, H. (IEEE, 2009-12-16)
      Ziehl-Neelsen staining method is a common technique used to diagnose tuberculosis infection. Clinical samples such as sputum or tissue are stained using Ziehl- Neelsen procedure and analysed manually by microbiologist for ...
    • Time-domain features and probabilistic neural network for the detection of vocal fold pathology 

      Hariharan, Muthusamy; Paulraj, Murugesa Pandiyan, Prof. Madya; Sazali, Yaacob, Prof. Dr. (Universiti Malaya, 2010)
      Due to the nature of job, unhealthy social habits and voice abuse, people are subjected to the risk of voice problems. It is well known that most of vocal fold pathologies cause changes in the acoustic voice signal. ...
    • Plasma disinfection and the deterioration of surgical tools at atmospheric pressure plasma 

      Siti Khadijah, Zaaba; Akitsu, Tetsuya; Ohkawa, Hiroshi; Katayama-Hirayama, Keiko; Tsuji, Masao; Shimizu, Naohiro; Imanishi, Yuichirou (The Institute of Electrical Engineers of Japan, 2010)
      The purpose of this paper is to present and compare disinfection effect of plasma by means of Atmospheric Pressure Glow plasma and streamer discharge. Geobacillus stearothermophilus was used as biological indicator for ...
    • Estimation of carrageenan concentration by using ultra sonic waves and back propagation neural networks 

      Prasad, Reddy; Krishnaiah, Duduku; Awang, Bono; Paulraj, Murugesa Pandiyan, Prof. Madya; Rosli, Mohd Yunus; Naveena Lakshmi (Asian Network for Scientific Information, 2010)
      The application of Artificial Neural Networks in chemical engineering field is being under immense research. One of the physical properties of every material has its own intensity to absorb the sound waves. Carrageenans ...
    • A survey of radiation dose to patients and operators during radiofrequency ablation using computed tomography 

      A., Saidatul; C. A., Azlan; M. S. A., Megat Amin; B. J. J., Abdullah; K. H., Ng (University of MalayaDepartment of Biomedical Imaging (Radiology), 2010-01)
      Computed tomography (CT) fluoroscopy is able to give real time images to a physician undertaking minimally invasive procedures such as biopsies, percutaneous drainage, and radio frequency ablation (RFA). Both operators executing ...
    • Optical tomography system using microprocessor and ethernet 

      Ruzairi, Abdul Rahim; Goh, Chiew Loon; Chan, Kok San; Pang, Jon Fea; Leong, Lai Chan; Mohd Hafiz, Fazalul Rahiman (Emerald Group Publishing Limited, 2010-01-01)
      Purpose: Owing to the high cost of data acquisition (DAQ) card in the market, the purpose of this paper is to develop a high speed, low-cost microprocessor and ethernet controller-based DAQ in optical tomography system. ...
    • Simulation of the two-phase liquid – gas flow through ultrasonic transceivers application in ultrasonic tomography 

      Zulkarnay, Zakaria; Mohd Hafiz, Fazalul Rahiman; Ruzairi, Abdul Rahim (International Frequency Sensor Association (IFSA), 2010-01-29)
      In this paper, ultrasonic transmission mode tomography was used to visualize the two phase liquid/gas flow in a pipe/vessel. The sensing element consists of 8, 16 and 32 units ultrasonic transceivers were used to cover ...
    • Simulation of image fusion of dual modality (electrical capacitance and optical tomography) in solid/gas flow 

      Mohd Hafiz, Fazalul Rahiman; Rasif, Rasif; Ruzairi, Abd Rahim; Jaafar, Abdullah (Springer Verlag, 2010-03-27)
      This paper presents a novel method of combining dual modality electrical capacitance and optical tomography for applications in monitoring and investigating solid/gas flow. The objective of this method is to obtain a good ...
    • Classification of human emotion from eeg using discrete wavelet transform 

      Murugappan, M.; Ramachandran, Nagarajan; Sazali, Yaacob, Prof. Dr. (Scientific Research Publishing Inc, 2010-04)
      In this paper, we summarize the human emotion recognition using different set of electroencephalogram (EEG) channels using discrete wavelet transform. An audio-visual induction based protocol has been designed with more ...
    • Mathematical modelling of gas bubbles and oil droplets in liquid media using optical linear path projection 

      Ruzairi, Abdul Rahim; Yusri, Md Yunos; Mohd Hafiz, Fazalul Rahiman; Herlina, Abdul Rahim (Elsevier Ltd., 2010-05-05)
      This paper describes mathematical modelling of oil droplets and gas bubbles in water. The light sources that are discussed are visible light radiation and infrared radiation. Gas bubbles or oil droplets less than 1 mm ...