Figure 5

Comparing the edge detection results with and without the use of lateral inhibition method. (a) Background difference detection image by no.1 sub-eye camera using lateral inhibition method. (b) Background difference detection image by no.2 sub-eye camera, using lateral inhibition method. (c) Background difference detection image by no.1 sub-eye camera using Roberts operator. (d) Background difference detection image by no.2 sub-eye camera using Roberts operator.