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February 27th, 2005, 03:31 AM
 ck Authorized User Join Date: Dec 2004 Posts: 34 Thanks: 0 Thanked 0 Times in 0 Posts
image processing

hi, i doing a image processing for thinning.thinning is to thin the ridge in one pixel thick.in thinning it got 3*3 mask as below:

p9 p2 p3
p8 p1 p4
p7 p6 p5

it must satisfied 4 conditions in 2 steps:
step 1:
condition 1:
2<N(P1)<6
where N(P1) = p2+p3+p4+p5+p6+p7+p8+p9

condition 2:
T(P1) = 1
where T(P1) is transition 0 to 1 in order sequence p2, p3, p4...p9

condition 3:
p2, p4, p6 = 0

condition 4:
p4, p6, p8 = 0

if all the condition is match then delete the pixel.

step 2:
condition 1:
2<N(P1)<6
where N(P1) = p2+p3+p4+p5+p6+p7+p8+p9

condition 2:
T(P1) = 1
where T(P1) is transition 0 to 1 in order sequence p2, p3, p4...p9

condition 3:
p2, p4, p8 = 0

condition 4:
p2, p6, p8 = 0

if all the condition is match then delete the pixel.

so, how to do it??? thanks a lot.....
hear from u soon :)

regards,
ck

__________________
ck.

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