A New Parameterization of Digital Straight Lines
IEEE Transactions on Pattern Analysis and Machine Intelligence
Regular Article: The Number of Plane Corner Cuts
Advances in Applied Mathematics - Special issue dedicated to Henry Crapo
Efficiency of Characterizing Ellipses and Ellipsoids by Discrete Moments
IEEE Transactions on Pattern Analysis and Machine Intelligence
Multigrid Convergence of Calculated Features in Image Analysis
Journal of Mathematical Imaging and Vision
Advances in Applied Mathematics
On the Number of Digital Discs
Journal of Mathematical Imaging and Vision
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The digitization D(R,(a,b)) of a real disc D(R, (a ,b)) having radius R and the centre (a, b) consists of all integer points inside of D(R, (a,b)), i.e., $D(R,(a,b))=D(R,(a,b))\cap \mathcal{Z}^{2}$. In this paper we show that that there are 3πR21O(R339/208 ·(logR)18627/8320) different (up to translations) digitizations of discs having the radius R. More formally, #D(R, (a, b)) | aandbvarythrough [0, 1) 3πR21O(R339/208 ·(logR)18627/8320) The result is of an interest in the area of digital image processing because it describes (in, let say, a combinatorial way) how big the impact of the object position on its digitization can be.