Next Article in Journal
A Rapid Discrimination of Authentic and Unauthentic Radix Angelicae Sinensis Growth Regions by Electronic Nose Coupled with Multivariate Statistical Analyses
Next Article in Special Issue
Adaptive Activity and Environment Recognition for Mobile Phones
Previous Article in Journal
A Review of Imaging Techniques for Plant Phenotyping
Previous Article in Special Issue
Estimation of Eye Closure Degree Using EEG Sensors and Its Application in Driver Drowsiness Detection
Article Menu

Export Article

Open AccessArticle
Sensors 2014, 14(11), 20112-20133;

Laser Spot Tracking Based on Modified Circular Hough Transform and Motion Pattern Analysis

Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split, R. Boškovića 32, Split 21000, Croatia
Author to whom correspondence should be addressed.
Received: 4 August 2014 / Revised: 14 October 2014 / Accepted: 17 October 2014 / Published: 27 October 2014
(This article belongs to the Special Issue HCI In Smart Environments)
Full-Text   |   PDF [5092 KB, uploaded 27 October 2014]


Laser pointers are one of the most widely used interactive and pointing devices in different human-computer interaction systems. Existing approaches to vision-based laser spot tracking are designed for controlled indoor environments with the main assumption that the laser spot is very bright, if not the brightest, spot in images. In this work, we are interested in developing a method for an outdoor, open-space environment, which could be implemented on embedded devices with limited computational resources. Under these circumstances, none of the assumptions of existing methods for laser spot tracking can be applied, yet a novel and fast method with robust performance is required. Throughout the paper, we will propose and evaluate an efficient method based on modified circular Hough transform and Lucas–Kanade motion analysis. Encouraging results on a representative dataset demonstrate the potential of our method in an uncontrolled outdoor environment, while achieving maximal accuracy indoors. Our dataset and ground truth data are made publicly available for further development. View Full-Text
Keywords: laser pointer detection; Hough transform; tracking laser pointer detection; Hough transform; tracking
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

Share & Cite This Article

MDPI and ACS Style

Krstinić, D.; Skelin, A.K.; Milatić, I. Laser Spot Tracking Based on Modified Circular Hough Transform and Motion Pattern Analysis. Sensors 2014, 14, 20112-20133.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Sensors EISSN 1424-8220 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top