
Chapter 5
Parametric Curve Estimation and
Reconstruction
5.1 Dig ital Conics in Canonical Form . .. . . . . . . .. . . . . . . . . . . . . . . . . . . .. 160
5.2 Circles and Parabolas in Canonica l Form . . . .. . . . . . . . . . . . . . . . . . . 1 63
5.3 Estimation of Major and Minor Axes of an Ellipse in Canonical
Form . . . . . . . .. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . .. . . . . . . .. . . . . . 1 66
5.3.1 Reconstruction of Ellipse . .. . . . . . . .. . . . . . . . . . .. . . . . . . . . .. 166
5.3.2 The Reconstruction Algorithm . . . . . . . . . . .. . . . . . . . . . . . . . . 170
5.3.3 The Domain Theore m ...