Browsing Ramachandran, Nagarajan, Prof. Dr. by Title
Now showing items 70-89 of 90
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Physiological signals based human emotion recognition: A review
(Institute of Electrical and Electronics Engineers (IEEE), 2011-03-04)Recent research in the field of Human Computer Interaction aims at recognizing the user's emotional state in order to provide a smooth interface between humans and computers. This would make life easier and can be used in ... -
PID and adaptive predictive fuzzy logic controller for a micro-satellite
(Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)In this paper a simple Adaptive Predictive Fuzzy Logic Controller is developed for the attitude control of a micro-satellite; its performance is compared with a PID controller. PID controller is the most widely used among ... -
A preliminary study of Patient Lifting Robot for Nurse assistance
(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 ... -
Real-time system for facial emotion detection using GPSO algorithm
(Institute of Electrical and Electronics Engineers (IEEE), 2010-10-03)Particle Swarm Optimization (PSO) algorithm has been widely recognized as an efficient algorithm with applicability is many areas. Recently, we proposed the Guided Particle Swarm Optimization (GPSO) algorithm, which is a ... -
Reckoning of facial grimacing scheme for patient agitation in critical care
(Science Academy Publisher, 2011-03)Reckoning patient grimacing in Intensive Care Unit (ICU) is a crucial demand in checking routine procedure. Despite of detecting any physical change in the body of the patient, medical staff has to go up and down to the ... -
Recognition of facial expression using neural network
(Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)In this paper, we attempted to recognize facial expression by using Haar-like feature extraction method. A set of luminance stickers were fixed on subject’s face and the subject is instructed to perform required facial ... -
Recognition of motor imagery of hand movements for a BMI using PCA features
(Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)Motor imagery is the mental simulation of a motor act that includes preparation for movement and mental operations of motor representations implicitly or explicitly. The ability of an individual to control his EEG through ... -
Robot chair control using an asynchronous brain machine
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-21)Robot chair control using an asynchronous brain machine interface (ABMI) based on motor imagery requires sufficient subject training. This paper proposes a generalized a brain machine interface design to investigate the ... -
ROVI: a robot for visually impaired for collision- free navigation
(Universiti Malaysia Perlis, 2009-10-11)ROVI is a device used to guide visually impaired people to dwell around. The conventional method is the white cane which will be used to sense the surface and of the obstacle around the blind. In this project, the white ... -
Simultaneous localization and map building – a guided tour
(Universiti Malaysia Perlis, 2009-10-11)Simultaneous Localization and Mapping (SLAM) has been one of the active research areas in robotic community for the past decade of years. SLAM addresses the problem of a robot navigating and building a map of an ... -
Single trial motor imagery classification for a four state brain machine interface
(Institute of Electrical and Electronics Engineering (IEEE), 2009-03-06)Motor imagery is the mental simulation of a motor act which can be used to design brain machine interfaces [BMI]. A BMI is a digital communication system, which connects the human brain directly to an external device ... -
A spider like map building robot to investigate the presence of objects in debris-cluttered
(Malaysian Association of Research Scientists (MARS), 2011-02-17) -
Stereo Sensors-based Object Segmentation and Location for a Bin Picking Adept SCARA Robot
(Universiti Malaysia Perlis, 2007)In this paper we present a stereo vision system for segmentation of partially occluded objects and computation of object grasping point in bin picking environments. The stereo vision system was interfaced with an Adept ... -
Stereo vision system for a bin picking adept robot
(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 ... -
A Support system for visually impaired persons to understand environmental information using Acoustic Interface
(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 ... -
A survey on face emotion recognition and applications
(Association for the Advancement of Modelling and Simulation Techniques in Enterprises (AMSE), 2007)This paper presents a decade long research efforts of recognizing human emotion conveyed through facial expressions (face emotion). Face emotion recognition starts from processing still and video camera images and identifying ... -
Three-axis fuzzy variable structure control with an application to micro satellite
(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 ... -
Two axis adaptive predictive Fuzzy Logic Controller for a pico-satellite
(Universiti Malaysia Perlis, 2009-10-11)In this paper, extensive simulations of Adaptive Predictive Fuzzy Logic Controller (APFLC) has been made to study the performances of the attitude control system for a Pico-satellite. A fuzzy controller is developed based ... -
Various Recognition approach in human faces
(Universiti Teknologi Petronas (UTP), 2005-12-01)In this paper, we review researches on human faces from aspect offace recognition and face detection. Face emotion recognition are also reviewed. The study of human faces has much assistance on computer vision and machine ... -
Visual based SLAM using modified PSO
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-21)Simultaneous Localization and Mapping (SLAM) addresses the problem of a robot navigating and acquiring spatial models of initially unknown environments, without an absolute localization means. To solve this problem, we ...