Topology: A Theory of a Pseudometric-Based Clustering Model and Its Application in Content-Based Image Retrieval

Table 2

Eleven classes for learning and testing tasks.

Class	Number of images
coast	504
forest	431
mountain	553
prairie	541
schooner	350
bonsai	128
lotus flower	64
aquatic flower	36
sky	32
cloud	32
Joshua’s tree	60
Total	2,731