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\BOOKMARK [1][-]{section.1}{Introduction}{}% 1

\BOOKMARK [2][-]{subsection.1.1}{Overview}{section.1}% 2

\BOOKMARK [2][-]{subsection.1.2}{Background}{section.1}% 3

\BOOKMARK [1][-]{section.2}{Related Work}{}% 4

\BOOKMARK [2][-]{subsection.2.1}{PNG}{section.2}% 5

\BOOKMARK [2][-]{subsection.2.2}{LZW}{section.2}% 6

\BOOKMARK [2][-]{subsection.2.3}{Similar Methods}{section.2}% 7

\BOOKMARK [1][-]{section.3}{The Approach}{}% 8

\BOOKMARK [1][-]{section.4}{Results}{}% 9

\BOOKMARK [1][-]{section.5}{Discussion}{}% 10