Paper:
Language: English:

Position Uncertainty Reduction of Mobile Robot Based on DINDs in Intelligent Space

TaeSeok Jin^* and Hideki Hashimoto^**

^*Dept. of Mechatronics eng, DongSeo University, Churye 2dong, Sasang-Gu, Korea
^**IIS, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan

Received: June 10, 2008

Accepted: August 21, 2008

Keywords: mobile robot, tracking, intelligent space, distributed sensors, uncertainty

Journal ref: Journal of Advanced Computational Intelligence and Intelligent Informatics, Vol.12, No.6 pp. 488-493, 2008

Abstract

This paper proposes a localization of mobile robot using the images by distributed intelligent networked devices (DINDs) in intelligent space (ISpace). This scheme combines data from the observed position using dead-reckoning sensors and the estimated position using images of moving object, such as those of a walking human, used to determine the moving location of a mobile robot. The moving object is assumed to be a point-object and projected onto an image plane to form a geometrical constraint equation that provides position data of the object based on the kinematics of the intelligent space. Using the a-priori known path of a moving object and a perspective camera model, the geometric constraint equations that represent the relation between image frame coordinates of a moving object and the estimated position of the robot are derived. The proposed approach is applied for a mobile robot in ISpace to show the reduction of uncertainty in the determining of the location of the mobile robot.

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