Figure 4From: Circular contour retrieval in real-world conditions by higher order statistics and an alternating-least squares algorithmRelative error values Er for: (a) σ ∈ [1:8] and r f ∈ [62: 78]; (b) σ ∈ [1:6] and r f ∈ [42: 78]. Evaluation of the relative error between left and right terms of Equation 29.Back to article page