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Figure 1 | EURASIP Journal on Advances in Signal Processing

Figure 1

From: Robust and Accurate Curvature Estimation Using Adaptive Line Integrals

Figure 1

(a) For a point (the black square dot) on a curve (the gray line), we draw a circle centered at that point. The integral region is denoted by red dashed line. It is convenient to write the equation of the curve, in the neighborhood of , using and as a coordinate frame. (b) After obtaining and , the line integrals can be easily computed. It does not matter which coordinate system we use for computing and . One can always obtain a curvature estimate by performing eigenvalue decomposition.

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