Local Event Boundary Detection with Unreliable Sensors: Analysis of the Majority Vote Scheme

  • Peter Brass
  • Hyeon-Suk Na
  • Chan-Su Shin
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8546)


In this paper we study the identification of an event region X within a larger region Y, in which the sensors are distributed by a Poisson process of density λ to detect this event region, i.e., its boundary. The model of sensor is a 0-1 sensor that decides whether it lies in X or not, and which might be incorrect with probability p. It also collects information on the 0-1 values of the neighbors within some distance r and revises its decision by the majority vote of these neighbors. In the most general setting, we analyze this simple majority vote scheme and derive some upper and lower bounds on the expected number of misclassified sensors. These bounds depend on several sensing parameters of p, r, and some geometric parameters of the event region X. By making some assumptions on the shape of X, we prove a significantly improved upper bound on the expected number of misclassified sensors; especially for convex regions with sufficiently round boundary.


Majority Vote Curve Segment Simple Majority Rule Neighboring Sensor Curvature Constraint 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Peter Brass
    • 1
  • Hyeon-Suk Na
    • 2
  • Chan-Su Shin
    • 3
  1. 1.Dept. of Computer ScienceCity CollegeNew YorkUSA
  2. 2.School of ComputingSoongsil UniversitySeoulKorea
  3. 3.Dept. of Digital Information EngineeringHankuk University of Foreign StudiesYonginKorea

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