Iterating over contours of an Image in Java

asked 2015-06-08 21:37:22 -0600

ElsayedAwd
6 ●1

please how I can Iterate over a list of Contours of an Image in Java for Android . many thanks

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e.g. look at the android samples

berak ( 2015-06-08 23:51:15 -0600 )edit

thanks a lot

ElsayedAwd ( 2015-06-09 12:51:18 -0600 )edit

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answered 2015-06-09 15:55:16 -0600

iamprivate
36 ●1 ●2

Do you mean something like this

 Imgproc.findContours(temp, contours, new Mat(),Imgproc.RETR_LIST,Imgproc.CHAIN_APPROX_NONE);

     for(int i =0;i<contours.size();i++)
     {
         // do something 
     }

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you are right but I would to Iterate over the contours to remove some contours

ElsayedAwd ( 2015-06-09 21:59:01 -0600 )edit

You can for example ignore some based on their area

if(Imgproc.contourArea(contours.get(i))>max) { // add bigger contours to new list }

iamprivate ( 2015-06-10 02:19:04 -0600 )edit

thanks a lot

ElsayedAwd ( 2015-06-12 21:30:58 -0600 )edit

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Asked: 2015-06-08 21:37:22 -0600

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Last updated: Jun 09 '15

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