do local e global caracteristicas para identificacao de escrita
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8/2/2019 do Local e Global Caracteristicas Para Identificacao de Escrita
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Figure 1 Training Model
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Figure 2 Application of a set of four gabor filters withrespective masks
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Figure 3 Directional contour map in the vertical (0),oblique (45and 135) and horizontal (90) directions
E$$12+(+)*1(+%
2))(+5$($$11
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+5$ 2 ( % 3) $
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$(+$$*/@%
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Figure 4 Direction rose for the vector [16.2, 27.0, 24.3,32.4]
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2))1+*5%3)$1/
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2 ++ ( + ++) 7:@8 2)
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E ) (+ ) 5 ) $
/*522+$*($*/)
*)*5>$4A+5$%
Figure 5 Window Positioning (a) Start of ink trace, (b)Choice of next side with exiting trace, (c) Initialposition of the next window, (d) Sliding the windowwith respect to trace
$( / 2) ) () * /(/
) (/ $4 ) $4 * *)$
+ 2) ) $$ 22% ) +
((2+2)"(
+ ) 4 % / 2)
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()+7:@8>22A)++
() >; 22A ) $$% 3) 2
()$1)(**$22
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5+5$%
Figure 6 Division of the word headlines (a) RegularDivision, (b) Sliding windows horizontally, (c)Following the ink trace
//)226215)
1 2) 6 * ::5:: :@5:@ :5: :5:
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+,
++++
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E)$2$$+$1*
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,,1 AA>> =
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$( >) (/ + '"$ $(
A*$3/))((*$
%3)2*)$+
)(1)*)%
&A>! 11/4 =
A&>! 145
=
Figure 7 Clusters obtained on a document image
)* +) / )2/ (+$*422)D*12
(/ ) 2 ) * % 3) * +
2*)/*)2/1$
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++$)(/
)2/$*/()$,
AA>>AA>>(/A> :
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2)02+)*)
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2$$)($1(*)$(2)$$
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Figure 8 Identification model
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Figure 9 Classification rates
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5+( ) +*( (+
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82%
84%
86%
88%
90%
92%
94%
96%
98%
Top1 Top2 Top3 Top4
Identification
Rate
Without Phase1,Text Division by Proposed method
With Phase1 (k=2),Text Division by Proposed Method
With Phase1 (k=2),Text Division by Earlier Method[13]
Figure 10 Comparison of Identification Rates
(
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5/)*()22$*"$1
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1+(/$)/(+*2
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22 6 / ) +) * )2/ )() $ ++$ $// $4
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