The fin extraction code was developed using a set of
36 images collected from field research. The test set
of images included 302 images distinct from the 36 in
the development set. These 302 images were
collected as part of an active population study of
bottlenose dolphins (Tursiops truncatus) in Boca
Ciega Bay, FL. In the set, the program automatically
produced a usable outline for 106 images (35.1%).
Another 100 images (33.11%) required only slight
modification to the automatically extracted fin
outline. The autotrace algorithm was unable to
produce an outline for 78 images (25.83%). Finally,
the algorithm produced an unusable outline (usually
selecting the wrong feature) for 18 images (5.96%).