Multistroke Grouping of Online Freehand Axonometric Sketches for Mechanical Models

Figure 13

Axonometric sketch consists of line segments and conic curves with hidden parts drawn in solid lines. (a) Input. (b) Closed regions. (c) Region boundary bands. (d) Stroke grouping. (e) Multistroke simplification. (f) Final results. (g) Ku et al. [6]. (h) Our previous multistroke grouping method [7].

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