Image Processing Reference
In-Depth Information
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( a )
( b )
( c )
( d )
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( e )
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( f )
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( g )
Fig. 5.19. Illustration of a knot and link: ( a )Knotandlink;( b ) unknotted line
figure; ( c ) trivial (unknotted) knot; ( d ) knotted knot; ( e )illustration of a double-fold
point which determines a regular projection; ( f ) examples of knot with three points;
( g ) example of digital knot generated from a regular projection (2D figure).
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