INDEX TERMS

Classification:
  G. Mathematics of Computing
  G.1 NUMERICAL ANALYSIS
      G.1.2 Approximation
          Subjects: Nonlinear approximation; Spline and piecewise polynomial approximation
  G.3 PROBABILITY AND STATISTICS
      Subjects: Probabilistic algorithms (including Monte Carlo)

  I. Computing Methodologies
  I.3 COMPUTER GRAPHICS
      I.3.5 Computational Geometry and Object Modeling
          Subjects: Curve, surface, solid, and object representations
      I.3.7 Three-Dimensional Graphics and Realism
          Subjects: Visible line/surface algorithms
  I.4 IMAGE PROCESSING AND COMPUTER VISION
      I.4.3 Enhancement
          Subjects: Smoothing
      I.4.5 Reconstruction
          Subjects: Summation methods**
      I.4.7 Feature Measurement
          Subjects: Invariants
  I.5 PATTERN RECOGNITION
      I.5.4 Applications
          Subjects: Computer vision

General Terms:
Algorithms, Design, Measurement, Theory