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        <description>In the following section, we present several applications that appeared since the introduction of straight skeletons. The application of shape reconstruction by Oliva et al. [OPC96] even appeared at roughly the same time as straight skeletons and, in fact, the authors referred to the straight skeleton by a diﬀerent name, namely angular bisector networks (ABN).</description>
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        <description>In this chapter, we start with the deﬁnition of straight skeletons, the terrain model and the motorcycle graph in Section 1.2. We continue with a presentation of several applications of straight skeletons in Section 1.3. In Section 1.4, we review known algorithms and implementations of straight skeletons and motorcycle graphs and in Section 1.5, we discuss diﬀerent approaches by which straight skeletons were generalized.$O(n^2 log n)$$O(n2 log n)$</description>
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