Control of a movable robot head using vision-based object tracking

M. Khairudin, G. D. Chen, M. C. Wu, R. Asnawi, Nurkhamid

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

This paper presents a visual tracking system to support the movement of the robot head for detecting the existence of objects. Object identification and object position estimation were conducted using image-based processing. The movement of the robot head was in four directions namely to the right, left, top, and bottom of the robot head. Based on the distance of the object, it shifted the object to many points to assess the accuracy of the process of tracking the object. The targeted objects are detected through several processes, namely normalization of RGB images, thresholding, and object marking. The process of tracking the object conducted by the robot head varied in 40 various object points with high accuracy. The further the object's distance to the robot, the smaller the corner of the movement of the robot produced compared to the movement of the robot head to track an object that was closer even though with the same distance stimulant shift object. However, for the distance and the shift of the same object, the level of accuracy showed almost the same results. The results showed the movement of the robot head to track the object under the head of the robot produced the movement with a larger angular error compared to the movement of the robot head in another direction even though with the stimulant distance of the same object position and the distance shift of the same object.

Original languageEnglish
Pages (from-to)2503-2512
Number of pages10
JournalInternational Journal of Electrical and Computer Engineering
Volume9
Issue number4
DOIs
StatePublished - Aug 2019

Keywords

  • Object tracking
  • Robot head
  • Vision-based

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