Huxley, Martin Neil and Zunic, Jovisa 2006. Different digitizations of displaced discs. Foundations of computational mathematics 6 (2) , pp. 255-268. 10.1007/s10208-005-0177-y |
Official URL: http://www.springerlink.com/content/t42772513v6673...
Abstract
The digitisation {D}(R,(a,b)) of a real disc D(R,(a,b)) having radius R and centre (a,b) consists of all integer points inside D(R,(a,b)), i.e. D(R,(a,b))=D(R,(a,b)){Z}^2. In this paper we show that there are 4\pi R^2+O(R^{339/208}\log R)^{18627/8320})different (up to translations) digitisations of discs having radius R. More formally, {D}(R,(a,b))\mid a{ and }b { vary through }[0,1)\}=4\pi R^2+O(R^{339/208}(\log R)^{18627/8320}). The result is of interest in the area of digital image processing because it describes how large the impact of the object position can be on its digitisation.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Computer Science & Informatics Mathematics |
Publisher: | Springer Verlag |
ISSN: | 1615-3383 |
Last Modified: | 04 Jun 2017 01:41 |
URI: | https://orca.cardiff.ac.uk/id/eprint/1766 |
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