Sazali Yaacob, Prof. Dr.: Recent submissions

Now showing items 201-220 of 250

    • A preliminary study of noise effect on pulse rate, blood pressure and EEG signal 

      Saidatul Ardeenaawatie, Awang; Nur Farahiyah, Mohammad; M.R., Tamjis; Sazali, Yaacob (Universiti Malaysia Perlis, 2009-10-11)
      This paper presents the effect of noise to pulse rate, blood pressure and Encephalography (EEG) signal. The investigation aims to find the correlation between noise exposures to pulse rate (PR), blood pressure (BP) and EEG ...

    • Modified energy based time-frequency features for classifying human emotions using EEG 

      M., Murugappan; R., Nagarajan; Sazali, Yaacob (Universiti Malaysia Perlis, 2009-10-11)
      In this paper we summarize the emotion recognition from the electroencephalogram (EEG) signals. The combination of surface Laplacian filtering, time-frequency analysis (Wavelet Transform) and linear classifiers are used ...

    • A speech recognition system for Malaysian English pronunciation using Neural Network 

      Paulraj, M.P.; Sazali, Yaacob; Ahamad Nazri; Sathees Kumar (Universiti Malaysia Perlis, 2009-10-11)
      The English language as spoken by Malaysians varies from place to place and differs from one ethnic community and its sub-group to another. In this paper, an automatic vowel classification system based on linear predictive ...

    • Determination of stress index: approach and challenges 

      Syahrull Hi-Fi Syam, Ahmad Jamil; Sazali, Yaacob; Paulraj, M.P; Ku Halim, Ku Ariffin (Universiti Malaysia Perlis, 2009-10-11)
      This paper discusses the preliminary study of stress detection towards determination of stress index through qualitative and quantitative evaluation of physical and psychological during stress. Awareness of stress effect ...

    • Design and development of stereo motion for mobile observation center 

      Muhammad Naufal, Mansor; Sazali, Yaacob; Nagarajan, R.; Hariharan, M. (Universiti Malaysia Perlis, 2009-10-11)
      This paper presents an approach to the condition monitoring patient in ICU. A human-computer interface (HCI) system is designed for the people with severe disabilities. For the last decades, most of the patients’ sleeps ...

    • Homogeneous and Non-homogeneous media indentification and circuitry design of multiphase Ultrasonic Tomography 

      Mohd Rizal, Manan; Mohd Hafiz, Fazalul Rahiman; Sazali, Yaacob; Ruzairi, Abdul Rahim (Universiti Malaysia Perlis, 2009-10-11)
      Multiphase flow characterization is an important task for monitoring, measuring or controlling industrial processes. This can be done by means of process tomography. The use of tomographic techniques has been used within ...

    • Ultrasound processing circuitry for ultrasonic tomography 

      Nor Muzakkir, Nor Ayob; Mohd Hafiz, Fazalul Rahiman; Sazali, Yaacob; Ruzairi, Abdul Rahim (Universiti Malaysia Perlis, 2009-10-11)
      The development of an ultrasonic transmission tomography system is described. The system is intended for the imaging of two component flows (such as gas/water) inside pipes of industrial processes. Transmission-mode ...

    • Design of alternative inhaler system to improve the delivery of inhaled pharmaceutical aerosol (IPA) 

      Md Tasyrif, Abdul Rahman; Ahmad Faizal, A. Salleh; Sazali, Yaacob; Hazlinda, Razali (Universiti Malaysia Perlis, 2009-10-11)
      The metered-dose inhaler (MDI) is used to prevent and relieve the symptoms and progression of certain diseases (asthma, chronic obstruction pulmonary disease, cystic fibrosis and bronchiectasis) by delivering the inhaled ...

    • A study of Inhaled Pharmaceutical Aerosol (IPA) flow characteristic with various types of fan design in metered dose inhaler 

      Md Tasyrif, Abdul Rahman; Ahmad Faizal; A.S., Fathinul-Syahir; Sazali, Yaacob; Hazlinda, Razali; Fauziah, Mat; Nur Saifullah; Mohd Sofian (Universiti Malaysia Perlis, 2009-10-11)
      Metered Dose Inhalers (MDI) is used to prevent and relieve the symptoms and progression of certain diseases (asthma, chronic obstructive pulmonary disease, cystic fibrosis and bronchiectasis) by delivering the inhaled ...

    • A Support system for visually impaired persons to understand environmental information using Acoustic Interface 

      Balakrishnan, G.; Sainarayanan, G.; Nagarajan, R.; Sazali, Yaacob (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)
      Visually impaired find their navigation difficult as they often lack the needed information for bypassing obstacles and hazards. Electronic Travel Aids (ETAs) are devices that use sensor technology to assist and improve ...

    • Optimum part deposition orientation and adaptive slicing in fused deposition modeling 

      Khairul Fauzi, Karim; Halim, Zulkifli; Sazali, Yaacob; Mohamed Rizon, Mohamed Juhari; Abu Hassan, Abdullah (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)
      Part deposition time and surface finish are two important concerns in rapid prototyping (RP). These two items contradict with each other. Commonly, a concession is made between the two aspects pertaining to model building ...

    • A preliminary study of Patient Lifting Robot for Nurse assistance 

      Muralindran, M.; Nagarajan, R.; Sazali, Yaacob; Mohd Yunus, Hamid; Renee, Chin (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)
      The advancement in technology and medicine has indeed tremendously improved the medical treatment, health and hospital care. In spite of that, the increasing rate of patients being admitted into hospitals and health care ...

    • Multiple objects detection using Separability Filter and Circular Hough Transform 

      Haniza, Yazid; Mohamed Rizon, Mohamed Juhari; Puteh, Saad; Ali Yeon, Md Shakaff; Sazali, Yaacob; Abdul Rahman, Mohd. Saad; Sugisaka, Masanori (Kolej Universiti Kejuruteraan Utara Malaysia, 2006-06-15)
      In this paper we propose a new system to detect the object from an input image. The proposed system first uses the separability filter proposed by Fukui and Yamaguchi to obtain the best object candidates and second, the ...

    • Conceptual view of Pneumatic Artificial Muscle 

      Ramesh, Ramasamy; Mohamed Rizon, Mohamed Juhari; Sugisaka, Masanori; Mohd Rozailan, Mamat; Sazali, Yaacob (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)
      The intention of this article is to introduce and overview Pneumatic Artificial Muscles (PAMs). The construction of PAMS mainly consist of flexible, inflatable membranes, having orthotropic material behaviour. The main ...

    • A design of Omni-Directional for Mobile Robot 

      Jefri Efendi, Mohd Salih; Mohamedd Rizon, Mohamed Juhari; Sazali, Yaacob; Abdul Hamid, Adom (Kolej Universiti Kejuruteraan Utara Malaysia, 2006-06-15)
      This paper presents the processes undertaken in the design and development of an intelligent omni-directional mobile robot using four custom-made mecanum wheels. The mecanum wheel developed consists of nine rollers made ...

    • Omni-Directional Mobile Robot with mecanum wheel 

      Jefri Efendi, Mohd Salih; Sazali, Yaacob; Mohamed Rizon, Mohamed Juhari (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)
      In this paper, we review researches on omni-directional mobile robot design which Mecanum wheel as component in mobile robot propulsion. Omni-directional mobile robot has vast advantages over conventional design likes ...

    • Human faces: a review from detection to recognition 

      Mohamed Rizon, Mohamed Juhari; Muthukaruppan, Karthigayan; Sazali, Yaacob; Ramachandran, Nagarajan; Puteh, Saad; P. L. EhKan (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)
      In this paper, we review researches on human faces from aspect of face recognition and face detection. Face emotion recognition are also reviewed. The study of human faces has much assistance on computer vision and machine ...

    • Materials strength analysis for Artificial Muscles 

      Ramesh, Ramasamy; Mohamed Rizon, Mohamed Juhari; Mohd Rozailan, Mamat; Sazali, Yaacob; Sugisaka, Masanori (Kolej Universiti Kejuruteraan Utara Malaysia, 2006-06-15)
      The intention of this article is to introduce and overview Pneumatic Artificial Muscles (PAMs) as whole and to discuss on its numerical modelling, namely the development of a mathematical model, to understand more on its ...

    • Field testing of prototype DQPSK modem on the Skudai - Baling and Skudai - Chemor HF Radio link 

      Ahmad Sazali, Senawi; Ahmad Zuri, Sha’ameri (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)
      The unpredictability in HF propagation results in multipath fading phenomena affect reliability in data communication. Random phase due to fading causes phase synchronization error at the receiver. This problem can be ...

    • Prediction of psychoacoustic parameters using radial basic functions neural network 

      Paulraj, M.P.; Sazali, Yaacob; Ahmad Nazri; M., Thagirarani (Karpagam College of Engineering, 2008-02-01)
      The ability of human listeners to estimate psychoacoustic parameters from the speakers speech levels at different listener's positions in a classroom is an interesting and not yet thoroughly examined phenomenon. The goal ...