Psidium guajava on Isla Isabela

OBJECT-BASED IMAGE ANALYSIS

b)

a)

e)

d)

c)

Figure 1. Object-based classification of Psidium guajava (common guava) on Isla Isabela from a 2004 QuickBird image, using Definiens Professional 5.0 (formerly eCognition). Each image represents a different level of image segmentation (and generalization) from larger (a) to smaller (e) objects. Each object is given a membership value for one or more classes based on a set of membership rules. Objects were classified as P. guajava above a membership threshold of 0.60.