Browsing by Author "Birdal, Ahmet"
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Master Thesis Hand gesture recognition(2007) Birdal, AhmetEvolution of user interfaces shapes the change in the human-computer interaction devices. As three-dimensional (3-D) applications take place, the need for a new type of interaction device arises since traditional devices such as mouse, keyboard, joystick, etc... become inefficient for interaction within these virtual environments. A better interaction in virtual environments requires a natural and suitable device. "Hand Gesture" concept in human computer interaction which has become popular in recent years can be used to develop such an interaction device. The motivation for this study is to develop a real-time, low cost, vision based hand gesture recognition system that works precisely on a relatively small restricted gesture space for single user robot control and human-computer interactionConference Object Citation - WoS: 0Citation - Scopus: 0Real time hand-face tracking using skin color and motion(int inst informatics & Systemics, 2005) Hassanpour, Reza; Birdal, Ahmet; Yazılım MühendisliğiHuman hand gestures and face expressions are a major tool for communicating ideas between people. Hand gestures may also account for the main part of the communication when other tools are not preferred or simply not available. First step for an automatic interpretation of these gestures and expressions is their segmentation and tracking. We have developed an algorithm to track hand motions in real time. Our algorithm is based on the motion and color features of the interested areas. A modified form of Adaptive Mean Shift method is used for tracking hands and face. A rule based system monitors the correctness of the segmentation and tracking.Conference Object Citation - WoS: 2Citation - Scopus: 6Region based hand gesture recognition(Union Agency Science Press, 2008) Birdal, Ahmet; Hassanpour, Reza; Yazılım MühendisliğiEvolution of user interfaces shapes the change in the human-computer interaction. With rapid emerge of three-dimensional (3-D) applications, the need for a new type of interaction device arises since traditional devices such as mouse, keyboard, and joystick become inefficient for interaction within these virtual environments. A better interaction in virtual environments requires a natural and suitable device. "Hand Gesture" concept in human computer interaction which has become popular in recent years can be used to develop such an interaction device. This study reports the development of a real-time, low cost, vision based hand gesture recognition system that works precisely on a relatively small restricted gesture space for single user robot control and human-computer interaction in such an environment that the lighting is relatively stable and the background is not complex.