Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Parallel Algorithm for Dilated Contour Extraction from Bilevel Images   We describe a simple, but efficient algorithm for the generation of dilated
contours from bilevel images. The initial part of the contour extraction is
explained to be a good candidate for parallel computer code generation. The
remainder of the algorithm is of linear nature.

15
The categories of this paper are: nucl-ex
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
7
The categories of this paper are: hep-th
29
The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
14
The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
19
The categories of this paper are: eess
21
The categories of this paper are: adap-org
32
The categories of this paper are: atom-ph
26
The categories of this paper are: bayes-an
20
The categories of this paper are: acc-phys