INDEX TERMS

Classification:
  G. Mathematics of Computing
  G.1 NUMERICAL ANALYSIS
      G.1.6 Optimization
          Subjects: Gradient methods

  I. Computing Methodologies
  I.2 ARTIFICIAL INTELLIGENCE
        I.2.10 Vision and Scene Understanding
            Subjects: Representations, data structures, and transforms; Intensity, color, photometry, and thresholding
  I.3 COMPUTER GRAPHICS
      I.3.7 Three-Dimensional Graphics and Realism
          Subjects: Visible line/surface algorithms
  I.4 IMAGE PROCESSING AND COMPUTER VISION
      I.4.6 Segmentation
          Subjects: Edge and feature detection; Region growing, partitioning; Pixel classification
      I.4.7 Feature Measurement
          Subjects: Size and shape

General Terms:
Algorithms, Experimentation, Measurement