Multistroke Grouping of Online Freehand Axonometric Sketches for Mechanical Models

Figure 14

Axonometric sketch consists of line segments and conic curves with hidden parts drawn in dashed 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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