Mohammad Obaid

Learn More
We have developed a general purpose use and modular architecture of an embodied conversational agent (ECA). Our agent is able to communicate using verbal and nonverbal channels like gaze, facial expressions, and gestures. Our architecture follows the SAIBA framework that sets 3-step process and communication protocols. In our implementation of SAIBA(More)
This paper presents a study that allows users to define intuitive gestures to navigate a humanoid robot. For eleven navigational commands, 385 gestures, performed by 35 participants, were analyzed. The results of the study reveal user-defined gesture sets for both novice users and expert users. In addition, we present, a taxonomy of the userdefined gesture(More)
One hundred of urine samples were collected from women whose visited Babylon hospital for pediatrics and delivery from January 2011 to December 2011 by using clean and sterile containers .The samples were brought to microbiology laboratory where direct microscopic examination ,culture on suitable media and biochemical tests were done .Results appeared that(More)
In this paper we propose a novel approach for representing facial expressions based on a quadratic deformation model applied to muscle regions. The non-linear nature of muscle deformations can be captured for each expression, by subdividing the face into 16 facial regions and using the most general rubber-sheet transformation of second degree. The(More)
Most existing colorblind aids help their users to distinguish and recognize colors but not compare them. We present HaptiColor, an assistive wristband that encodes discrete color information into spatiotemporal vibrations to support colorblind users to recognize and compare colors. We ran three experiments: the first found the optimal number and placement(More)
We present the design of an educational treasure hunt game that uses mobile Augmented Reality (AR) and adaptive virtual gardens to raise awareness on energy consumption ways. Within the game, AR is used to present 3D content that allows for visually understanding the energy consumption problems and their solutions. In addition, the players' performances are(More)
The increasing availability of drones produces a number of opportunities for integrating them in everyday settings and using drones to create engaging experiences for users. In this paper, we investigate how drones can support amateur runners in their endeavours. We explore the possible roles for drones during amateur running races. Through two field(More)
This article presents the design and evaluation of novel types of pictorial scales for assessing emotional response based on LEGO Minifigures. We describe the creation of two pictorial scales (LEGO Face Scale and Stylized LEGO Face Scale) through the use of a semi-automatic process. We report on the results of two evaluation studies conducted to assess the(More)
In this paper, we propose a novel approach for recognizing facial expressions based on using an Active Appearance Model facial feature tracking system with the quadratic deformation model representations of facial expressions. Thirty seven Facial Feature points are tracked based on the MPEG-4 Facial Animation Parameters layout. The proposed approach relies(More)
This paper presents a pilot evaluation study that investigates the physiological response of users when interacting with virtual agents that resemble cultural behaviors in an Augmented Reality environment. In particular, we analyze users from the Arab and German cultural backgrounds. The initial results of our analysis are promising and show that users tend(More)