Research Article

Edge Detection via Edge-Strength Estimation Using Fuzzy Reasoning and Optimal Threshold Selection Using Particle Swarm Optimization

Table 1

values obtained for different test images.

Methods Test images
Goat Hyena Elephant Rhino

Sobel (threshold = 0.05)
Sobel (threshold = 0.15)
Canny (threshold = 0.05)
Canny (threshold = 0.15)
Roberts (threshold = 0.05)
Roberts (threshold = 0.15)
Fuzzy-BFA
Proposed (threshold = 0.18)
Proposed (threshold = 0.35)
Proposed (optimal threshold)