Bio-medical Ontologies Maintenance and Change Management

Multimedia Medical Databases 133
(relevant) (relevant) (relevant)
(relevant) (relevant)
Fig. 5.4. The retrieved images using Method2 and edge equal to 3, for the Region6 as query
region
Fig. 5.5. Experiment 1. The graphic of the retrieving efficiency for Method1 and Method2
with the hexagon edge equal to 3.
edge equal to 3 pixels. If the processing time of the Method 1 is O(m 2
*n 2
) (m is the
width and n is the height of image), the processing time for the Method 2 presented
here is O(n 2
) (n is the number of nodes of graph attached to an image).
Other experiments and results can be found in [5, 6, 7].