A generalized approach to the reconstruction of a restricted class of digitized planar curves |
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Authors: | S Chattopadhyay P P Das |
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Affiliation: | (1) Department of Computer Science & Engineering, Jadavpur University, 700 032 Calcutta, India;(2) Department of Computer Science & Engineering, Indian Institute of Technology, 721 302 Kharagpur, India |
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Abstract: | Reconstruction of an original continuous curve and the estimation of its parameters from the digitized version of the curve
is a challenging problem, as quantization always causes some loss of information. In this paper, we have developed a scheme
for reconstruction which is applicable to a class of curves having at the most two parameters. The class of curves for which
the scheme works has also been characterized. We have shown that for one-parameter curves the exact domain of values of the
parameter can be obtained. But in the two-parameter case, only the smallest rectangle containing the domain can be realised.
The distinctive feature of our scheme is that it provides a unified approach to solve the reconstruction and the domain-finding
problem for a class of curves. |
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Keywords: | Discrete geometry digitization reconstruction domain of digitization |
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