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In this paper we examine a problem of digitized curves approximation for raster graphics vectorization and develop an efficient implementation of a near-optimal Dynamic Programming algorithm for digitized curves approximation with cubic Bézier splines for a given distortion bound. For better fitting performance, we introduce the inflection points with relaxed constraint of tangent continuity. The...
We have considered a problem of continuous piecewise linear approximation of the digital curves with a minimum number of the line segments. Fast sub-optimal algorithm for constrained piecewise linear approximation is suggested to construct continuous piecewise linear representation of the input curve for a given error bound. The proposed fast sub-optimal algorithm can be used in combination with reduced-search...
In this paper we consider a problem of optimal polygonal approximation with a minimum number of the line segments for a given constraint on the total distortion with L2 measure. A fast suboptimal algorithm for the problem is proposed. In order to improve the solution obtained, this algorithm can be used in combination with a Reduced-Search Dynamic Programming algorithm. The experiments with the large...
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