Table 1: Classification parameters for the seal detection model.

From: Automated detection and enumeration of marine wildlife using unmanned aircraft systems (UAS) and thermal imagery

Polygon classClassification parameters
Individual JuvenileComplex Model: Polygon Area ≤ 0.85 m2 and Mean Temperature <10 °C OR Polygon Area <0.65 m2
Simplified Model: Polygon Area ≤ 0.85 m2
Individual AdultComplex Model: Polygon Area >0.65 m2 and ≤3.5 m2 and Polygon/Convex Hull Ratio >0.8 and Mean Temperature >10 °C OR Polygon Area >0.85 m2 and ≤3.5 m2 and Polygon/Convex Hull Ratio >0.8
Simplified Model: Polygon Area >0.85 m2 and Polygon Area ≤ 3.5 m2 and Polygon/Convex Hull Ratio >0.8
Juvenile AggregationPolygon Area >0.65 m2 and <0.85 m2 and Polygon/Convex Hull Ratio <0.75 OR Polygon Area >0.85 m2 and <3.5 m2 and Polygon/Convex Hull Ratio <0.8
Adult AggregationPolygon Area >3.5 m2 and Polygon/Convex Hull Ratio <0.8