Eigen-Gradients for Traffic Sign Recognition

Figure 1

Road signs examples and the difficulties in the recognition tasks: (a) lighting, (b) blurring, (c) rotation, (d) shadows, (e) visual perspective, (f) blurring and graffiti, (g) graffiti, (h) partial occlusion, (i) nonuniform colors, and (j) fog.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)