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In this paper we propose a very fast measuring system for the location of a mobile robot in indoor environment. The proposed localization method utilizes ultrasonic and infrared signals simultaneously. The transmitter, which is mounted on the mobile robot, transmits both ultrasonic and infrared signals at the same time. The receivers, which are located at(More)
The system introduced in this paper estimates the 3-D position of human's head and face by using the depth from focus method. First the system locates human's head and face by using motion detection, Hough transform and a statistical color model. Then by changing pan, tilt and zoom of camera we put the face in the center of the camera's field of view. Then(More)